CN104284213A - Hotlink protection method, client side and system - Google Patents
Hotlink protection method, client side and system Download PDFInfo
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- CN104284213A CN104284213A CN201410505193.6A CN201410505193A CN104284213A CN 104284213 A CN104284213 A CN 104284213A CN 201410505193 A CN201410505193 A CN 201410505193A CN 104284213 A CN104284213 A CN 104284213A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/254—Management at additional data server, e.g. shopping server, rights management server
- H04N21/2543—Billing, e.g. for subscription services
- H04N21/25435—Billing, e.g. for subscription services involving characteristics of content or additional data, e.g. video resolution or the amount of advertising
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/254—Management at additional data server, e.g. shopping server, rights management server
- H04N21/2541—Rights Management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/633—Control signals issued by server directed to the network components or client
- H04N21/6332—Control signals issued by server directed to the network components or client directed to client
- H04N21/6334—Control signals issued by server directed to the network components or client directed to client for authorisation, e.g. by transmitting a key
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/83—Generation or processing of protective or descriptive data associated with content; Content structuring
- H04N21/845—Structuring of content, e.g. decomposing content into time segments
- H04N21/8456—Structuring of content, e.g. decomposing content into time segments by decomposing the content in the time domain, e.g. in time segments
Abstract
The embodiment of the invention discloses a hotlink protection method, a client side and a system. The hotlink protection method comprises the steps of sending access address request information of medium information to an EPG server so as to enable the EPG server to return the access address information of the medium information; generating data request information of the medium information according to the access address request information of the medium information; sending the data request information to a CDN server so as to enable the CDN server to return the medium information according to the data request information, wherein the medium information is sent when verification of the data request information by the CDN server succeeds; receiving the medium information fed back by the CDN server. By the adoption of the hotlink protection method, the client side and the system, the reliability of hotlink protection can be improved, and the possibility of hotlinking is effectively lowered.
Description
Technical field
The present invention relates to Internet technical field, particularly relate to a kind of anti-stealing link method, client and system.
Background technology
Steal chain and refer to that first service provider does not provide media information, but by media information that technological means provides second service provider to provide to user, increase the flow that second service provider reality uses, therefore increase the operation cost of second service provider.
Current door chain technology mainly comprises: EPG (Electronic Program Guide, electric program menu) server is by URL (the Universal Resource Locator of media information, URL(uniform resource locator)) send to media client, this URL is sent to CDN (Content Delivery Network by media client, content distributing network) in server, CDN server can be verified this URL, if be proved to be successful, then send this media information to media client.
Above-mentioned door chain technology, the URL of media information gets from EPG server, after robber's chain client learns the address of EPG server, the media client that can disguise oneself as receives the URL of the media information that EPG server sends, then steal chain equipment can obtain CDN server transmission media information according to this URL, the reliability of door chain is lower.
Summary of the invention
The invention provides a kind of anti-stealing link method, client and system, the reliability of door chain can be improved, effectively reduce the probability stealing chain.
Embodiments provide a kind of anti-stealing link method, comprising:
The reference address solicited message of media information is sent, with the reference address information making described EPG server return described media information to EPG server;
According to the reference address information of described media information, generate the data request information of described media information;
Described data request information is sent to content distributing network CDN server, to make described CDN server return described media information according to described data request information, wherein said media information is that described CDN server sends when being proved to be successful described data request information;
Receive the described media information that described CDN server returns.
Correspondingly, the embodiment of the present invention additionally provides a kind of media client, comprising:
Solicited message sending module, for sending the reference address solicited message of media information to EPG server, with the reference address information making described EPG server return described media information;
Generation module, for the reference address information according to described media information, generates the data request information of described media information;
Described request information sending module, also for sending described data request information to CDN server, to make described CDN server return described media information according to described data request information, wherein said media information is that described CDN server sends when being proved to be successful described data request information;
Receiver module, for receiving the described media information that described CDN server returns.
Correspondingly, the embodiment of the present invention additionally provides a kind of anti-stealing link system, comprises above-mentioned media client, EPG server and CDN server, wherein:
Described media client, for sending the reference address solicited message of media information to described EPG server;
Described EPG server, for sending the reference address information of described media information to described media client;
Described media client, also for the reference address information according to described media information, generates the data request information of described media information; Described data request information is sent to described CDN server;
Described CDN server, when being proved to be successful described data request information for detecting, sends described media information according to described data request information to described media client;
Described media client, also for receiving the described media information that described CDN server sends.
Implement the embodiment of the present invention, the reference address information of the media information that media client returns according to EPG server, the data request information of generated media information, data request information is sent to CDN server, media information is returned according to data request information to make CDN server, wherein media information is that CDN server sends when being proved to be successful data request information, and receive the media information that CDN server returns, and the reference address information of the media information that EPG server directly returns by media client is sent in CDN server in prior art, after then robber's chain client learns the address of EPG server, the media client that can disguise oneself as receives the reference address information of the media information that EPG server sends, and this reference address information is sent in CDN server, the embodiment of the present invention can improve the reliability of door chain, effective probability reducing robber's chain.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of a kind of anti-stealing link method provided in first embodiment of the invention;
Fig. 2 is the schematic flow sheet of a kind of anti-stealing link method provided in second embodiment of the invention;
Fig. 3 is the schematic flow sheet of a kind of anti-stealing link method provided in third embodiment of the invention;
Fig. 4 is the schematic flow sheet of a kind of anti-stealing link method provided in fourth embodiment of the invention;
Fig. 5 is the structural representation of a kind of media client provided in the embodiment of the present invention;
Fig. 6 is the structural representation of the generation module of Fig. 5 in the embodiment of the present invention;
Fig. 7 is the structural representation of a kind of anti-stealing link system provided in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The embodiment of the invention discloses a kind of anti-stealing link method, the reference address information of the media information that media client returns according to EPG server, the data request information of generated media information; Send data request information to CDN server, to make CDN server return media information according to data request information, wherein media information is that CDN server sends when being proved to be successful data request information; Receive the media information that CDN server returns, the embodiment of the present invention can the data request information of generated media information, and receive the media information sent when CDN server is proved to be successful data request information, the reliability of door chain can be improved, effectively reduce the probability stealing chain.
Media client in the embodiment of the present invention may operate in smart mobile phone, panel computer, personal computer (Personal Computer, PC), in the terminal such as notebook computer, above-mentioned media client can comprise video playback client, browser client or electronic magazine client etc., specifically not by the restriction of the embodiment of the present invention.
Reference address information in the embodiment of the present invention can comprise the URL address or storing path etc. of media information, data request information can comprise reference address, the first checking mark and default out-of-service time threshold value etc., first checking mark is that media client is according to the default out-of-service time threshold value of media information and secret generating thereof, wherein the key of media information is identical with the key preset in CDN server, media information can comprise audio-frequency information, video information, text message or image information etc., specifically not by the restriction of the embodiment of the present invention.
In the embodiment of the present invention, CDN server is verified data request information, such as, when CDN server detects that current time meets default out-of-service time threshold value, the second checking mark is generated according to the default out-of-service time threshold value in the key preset and data request information, when detecting that the in the second checking mark and data request information first checking is marking matched, reference address according to media information in data request information obtains media information, and is sent in media client by this media information.Below be described in detail respectively.
Refer to Fig. 1, Fig. 1 is the schematic flow sheet of a kind of anti-stealing link method provided in first embodiment of the invention, anti-stealing link method in the embodiment of the present invention is described from the angle of media client, and the anti-stealing link method as shown in the figure in the embodiment of the present invention can comprise:
S101, sends the reference address solicited message of media information, with the reference address information making EPG server return media information to EPG server.
Media client can send the reference address solicited message of media information to EPG server, with the reference address information making EPG server return media information, wherein the reference address information of media information can comprise the URL address or storing path etc. of media information, and the reference address information that EPG server returns can comprise at least one reference address information.Such as, user can submit the acquisition solicited message of media information to media client, media client can send the reference address solicited message of media information to EPG server according to acquisition solicited message, with the reference address information making EPG server return media information.And for example, user can submit keyword to media client, such as " Animal World ", then media client can send the reference address solicited message of media information corresponding to keyword to EPG server according to keyword, with the reference address information making EPG server return media information.
S102, according to the reference address information of media information, the data request information of generated media information.
After media client receives the reference address information of the media information that EPG server sends, can according to this reference address information, the data request information of generated media information.Such as, after media client receives multiple reference address information, instruction is determined in the target access address that can obtain user's submission, then media client can determine instruction according to target access address, obtain the target access address of media information, according to the data request information of target access address generated media information.
In an alternative embodiment, media client can according to the default out-of-service time threshold value of media information and key thereof, generate the first checking mark, the cipher key match wherein preset in key and CDN server, media client identifies according to the reference address information of media information and the first checking, the data request information of generated media information.Data request information can comprise reference address, first checking mark and the default out-of-service time threshold value of media information.
Further alternative, media client can be held consultation with CDN server, to obtain and the key of cipher key match preset in CDN server.Such as, after media client and CDN server establish a communications link, a key can be set at random, and the key of setting is sent in CDN server, store this key to make CDN server.And for example, media client can send the cipher key request information of media information to CDN server, and receives the key of the media information that CDN server returns.The key that media client gets is identical with the key preset in CDN server.
In an alternative embodiment, media client can according to the reference address information of media information, the index file solicited message of generated media information, and then send index file solicited message to CDN server, to make CDN server return index file according to index file solicited message, wherein index file can comprise the reference address information of each slice of data of media information.
Further alternative, index file can comprise the first index file and the second index file, then media client can according to the reference address information of media information, first index file solicited message of generated media information, and then send the first index file solicited message to CDN server, the first index file is returned according to the first index file solicited message to make CDN server, wherein the first index file can comprise the reference address information of the second index file, and the second index file can comprise the reference address information of each slice of data of media information.
S103, sends data request information to CDN server, and to make CDN server return media information according to data request information, wherein media information is that CDN server sends when being proved to be successful data request information.
Media client generates after data request information, can send data request information to CDN server, and to make CDN server return media information according to data request information, wherein media information is that CDN server sends when being proved to be successful data request information.Concrete, media information is that CDN server is when detecting that current time meets default out-of-service time threshold value, mark is verified, the information sent when detecting that the second checking identifies and first verifies marking matched according to default out-of-service time threshold value and the secret generating second preset.
S104, receives the media information that CDN server returns.
Media client receives the media information that returns of CDN server, and then can provide this media information, such as, play to user the audio/video information that CDN server returns, or the text message returned in display interface display CDN server or image information etc.
In an alternative embodiment, after media client sends the index file solicited message of media information to CDN server, can receive the index file that CDN server returns, wherein index file is that CDN server sends when being proved to be successful index file solicited message.Further alternative, media client can according to the reference address information of each slice of data in index file, the content request message of each slice of data is sent to CDN server, and receive each slice of data that CDN server returns, wherein each slice of data is that CDN server sends when being proved to be successful content request message.
Further alternative, after media client sends the first index file solicited message of media information to CDN server, the first index file that CDN server returns can be received, wherein the first index file is that CDN server sends when being proved to be successful the first index file solicited message, first index file can comprise the reference address information of the second index file, media client can send the second index file solicited message according to the reference address information of the second index file to CDN server, the second index file is returned to make CDN server, wherein the second index file is that CDN server sends when being proved to be successful the second index file solicited message, wherein the second index file can comprise the reference address information of each slice of data, media client can send the content request message of each slice of data to CDN server according to the reference address information of each slice of data, each slice of data is returned to make CDN server, wherein slice of data is that the content request message of CDN server to correspondence sends when being proved to be successful, and then each slice of data that reception CDN server returns.
In the anti-stealing link method shown in Fig. 1, the reference address information of the media information that media client returns according to EPG server, the data request information of generated media information, data request information is sent to CDN server, to make CDN server return media information according to data request information, wherein media information is that CDN server sends when being proved to be successful data request information, and receives the media information that CDN server returns, the reliability of door chain can be improved, effectively reduce the probability stealing chain.
Refer to Fig. 2, Fig. 2 is the schematic flow sheet of a kind of anti-stealing link method provided in second embodiment of the invention, and the anti-stealing link method as shown in the figure in the embodiment of the present invention can comprise:
S201, media client sends the reference address solicited message of media information to EPG server.
Media client can send the reference address solicited message of media information to EPG server, such as, user can submit the acquisition solicited message of media information to media client, media client can according to obtaining the reference address solicited message of solicited message to EPG server transmission media information, and for example, user can submit keyword to media client, such as " Animal World ", then media client can send the reference address solicited message of media information corresponding to keyword to EPG server according to keyword.
S202, EPG server returns the reference address information of media information according to the reference address solicited message of media information.
EPG server can according to the reference address solicited message of media information, and send the reference address information of media information to media client, the reference address information that wherein EPG server returns can comprise at least one reference address information.
S203, media client, according to the default out-of-service time threshold value of media information and key thereof, generates the first checking mark.
Media client can according to the default out-of-service time threshold value of media information and key thereof, generates the first checking mark, wherein default in key and CDN server cipher key match.Concrete, media client can by the default out-of-service time threshold value of media information and key thereof, the first checking mark is generated by the algorithm preset, such as, media client can by MD5 (the Message Digest Algorithm MD5 preset, Message Digest Algorithm 5) algorithm, according to the default out-of-service time threshold value of media information and cryptographic Hash corresponding to secret generating thereof.If wherein current time is 12: 30: 24 on the 22nd September in 2014, then presetting out-of-service time threshold value can be and the current time interval temporal information of four hours, namely 14922163024, represent that data request information lost efficacy after 16: 30: 24 on the 22nd September in 2014, it is to be noted, default out-of-service time threshold value in the embodiment of the present invention including but not limited to the current time interval temporal information of four hours, research staff can revise accordingly according to different scenes, and the embodiment of the present invention does not limit.
In an alternative embodiment, media client can be held consultation with CDN server, to obtain and the key of cipher key match preset in CDN server.Such as, after media client and CDN server establish a communications link, a key can be set at random, and the key of setting is sent in CDN server, store this key to make CDN server.And for example, media client can send the cipher key request information of media information to CDN server, and receives the key of the media information that CDN server returns.The key that media client gets is identical with the key preset in CDN server.
S204, media client, according to reference address information and the first checking mark, generates data request information.
Media client according to reference address information and the first checking mark, can generate data request information, and wherein data request information can comprise reference address, first checking mark and the default out-of-service time threshold value of media information.
S205, media client sends data request information to CDN server.
S206, whether CDN server detection current time meets the default out-of-service time threshold value in data request information.
CDN server can detect current time and whether meet default out-of-service time threshold value in data request information, if current time meets preset out-of-service time threshold value, then perform S207 further after receiving the data request information that media client sends; If current time does not meet preset out-of-service time threshold value, then CDN server can send request of data fail message to media client.Such as, if the default out-of-service time threshold value that CDN server receives is 14922163024, whether then CDN server can detect current date is on September 22nd, 2014, and detect current time and whether be less than 16: 30: 24, if current time is less than 16: 30: 24, then perform S207 further; If current time is greater than or equal to 16: 30: 24, then represent that this data request information lost efficacy, request of data fail message can be sent to media client.
S207, when CDN server detects that current time meets default out-of-service time threshold value, generates the second checking mark according to the default out-of-service time threshold value in the key preset and data request information.
When CDN server detects that current time meets default out-of-service time threshold value, the second checking mark can be generated according to the default out-of-service time threshold value in the key preset and data request information.Such as, CDN server can by the default out-of-service time threshold value in data request information and the key preset, the second checking mark is generated by the algorithm preset, exemplary, CDN server can by the MD5 algorithm preset, the cryptographic Hash corresponding with the secret generating preset according to the default out-of-service time threshold value in data request information.
S208, CDN server detects the second checking mark and verifies to identify whether mate with first.
What CDN server can detect that the second checking mark of generation sends with media client first verify to identify whether mate, if second verifies and identify and first verify marking matched, then performs S209 further; If the second checking mark and first is verified to identify do not mate, then send authentication failed information to media client.Wherein, CDN server can detect the second checking mark and first verify identify whether identical, if the second checking identifies and first verify identify identical, then CDN server determine to detect the second checking identify and first verify marking matched.
S209, when CDN server detects that the second checking mark is verified marking matched with first, sends media information to media client.
When CDN server detects that the second checking mark is verified marking matched with first, media information can be sent to media client, and then after media client receives the media information that CDN server returns, this media information can be provided, such as play to user the audio/video information that CDN server returns, or the text message returned in display interface display CDN server or image information etc.
In the anti-stealing link method shown in Fig. 2, media client receives the reference address information that EPG server sends, data request information is generated according to reference address information and the first checking mark, and send data request information to CDN server, when CDN server detects that current time meets default out-of-service time threshold value, the second checking mark is generated according to the key preset and default out-of-service time threshold value, when detecting that the second checking mark is verified marking matched with first, media information is sent to media client, the reliability of door chain can be improved, effective probability reducing robber's chain.
Refer to Fig. 3, Fig. 3 is the schematic flow sheet of a kind of anti-stealing link method provided in third embodiment of the invention, and the anti-stealing link method as shown in the figure in the embodiment of the present invention can comprise:
S301, media client sends the reference address solicited message of media information to EPG server.Specifically with reference to the S201 in embodiment above, can repeat no more in the embodiment of the present invention.
S302, EPG server returns the reference address information of media information according to the reference address solicited message of media information.
S303, media client according to reference address information, the index file solicited message of generated media information.
After media client receives the reference address information of the media information that EPG server sends, can according to this reference address information, the index file solicited message of generated media information.
In an alternative embodiment, media client can according to the default out-of-service time threshold value of media information and key thereof, generate the first checking mark, the cipher key match wherein preset in key and CDN server, media client identifies according to the reference address information of media information and the first checking, the index file solicited message of generated media information.Index file solicited message can comprise reference address, first checking mark and the default out-of-service time threshold value of media information.
Further alternative, media client can be held consultation with CDN server, to obtain and the key of cipher key match preset in CDN server.Such as, after media client and CDN server establish a communications link, a key can be set at random, and the key of setting is sent in CDN server, store this key to make CDN server.And for example, media client can send the cipher key request information of media information to CDN server, and receives the key of the media information that CDN server returns.The key that media client gets is identical with the key preset in CDN server.
In an alternative embodiment, index file can comprise the first index file and the second index file, then media client can according to the reference address information of media information, the first index file solicited message of generated media information.Such as, media client can according to the default out-of-service time threshold value of media information and key thereof, generate the first checking mark, the cipher key match wherein preset in key and CDN server, media client, according to the reference address information of media information and the first checking mark, generates the first index file solicited message.First index file solicited message can comprise reference address, first checking mark and the default out-of-service time threshold value of media information.
S304, media client sends index file solicited message to CDN server.
After media client generating indexes file request information, this index file solicited message can be sent to CDN server.Optionally, after media client generates the first index file solicited message, the first index file solicited message can be sent to CDN server.
S305, CDN server is verified index file solicited message.
CDN server can be verified index file solicited message after receiving the index file solicited message of media client transmission.Concrete, CDN server can detect current time and whether meet default out-of-service time threshold value in index file solicited message, if current time meets the default out-of-service time threshold value in index file solicited message, then CDN server can generate the second checking mark according to the default out-of-service time threshold value in the key preset and index file solicited message, detect the second checking mark and verify to identify whether mate with first, if the second checking mark and first is verified marking matched, then CDN server is determined to detect that index file solicited message is proved to be successful.
In an alternative embodiment, CDN server can be verified the first index file solicited message after receiving the first index file solicited message of media client transmission.Concrete, CDN server can detect the default out-of-service time threshold value in the whether satisfied first index file solicited message of current time, if current time meets the default out-of-service time threshold value in the first index file solicited message, then CDN server can generate the second checking mark according to the default out-of-service time threshold value in the key preset and the first index file solicited message, detect the second checking mark and verify to identify whether mate with first, if the second checking mark and first is verified marking matched, then CDN server is determined to detect that the first index file solicited message is proved to be successful.
S306, when CDN server is proved to be successful index file solicited message, sends index file to media client.
When CDN server is proved to be successful index file solicited message, index file can be sent to media client, wherein index file can comprise the reference address information of each slice of data, optionally, index file can also comprise the first checking mark and default out-of-service time threshold value in index file solicited message.
In an alternative embodiment, when CDN server is proved to be successful the first index file solicited message, the first index file can be sent to media client, wherein the first index file can comprise the reference address information of the second index file, optionally, the first index file can also comprise the first checking mark and default out-of-service time threshold value in the first index file solicited message.
S307, media client, according to the reference address information of each slice of data in index file, sends the content request message of each slice of data to CDN server.
Media client according to the reference address information of each slice of data in index file, can send the content request message of each slice of data to CDN server.The content request message of each slice of data can comprise corresponding reference address, the first checking mark and default out-of-service time threshold value respectively.
In an alternative embodiment, index file comprise in index file solicited message first checking mark and default out-of-service time threshold value time, media client can according to the reference address information of each slice of data in index file, first checking mark and default out-of-service time threshold value, generate the content request message of each slice of data, after avoiding media client to receive index file, according to default out-of-service time threshold value and the key thereof of media information, generate the first checking mark, and then verify mark according to the reference address information and first of each slice of data, generate the content request message of corresponding slice of data, the embodiment of the present invention can promote data-handling efficiency.
In an alternative embodiment, media client according to the reference address information of the second index file in the first index file, can send the second index file solicited message to CDN server.Such as, media client can according to the reference address information of the second index file in the first index file, the first checking mark and default out-of-service time threshold value, generate the second index file solicited message, and send this second index file solicited message to CDN server.Second index file solicited message can comprise reference address, first checking mark and the default out-of-service time threshold value of the second index file.
S308, the content request message of CDN server to slice of data is verified.
After CDN server receives the content request message of slice of data, can verify the content request message of slice of data.Concrete, CDN server can detect current time and whether meet default out-of-service time threshold value in content request message, if current time meets the default out-of-service time threshold value in content request message, then CDN server can generate the second checking mark according to the default out-of-service time threshold value in the key preset and content request message, detect the second checking mark and verify to identify whether mate with first, if the second checking mark and first is verified marking matched, then CDN server is determined to detect that content request message is proved to be successful.
In an alternative embodiment, after CDN server receives the second index file solicited message, can verify the second index file solicited message, if CDN server is proved to be successful the second index file solicited message, then can send the second index file to media client, media client is according to the reference address information of each slice of data in the second index file, the content request message of each slice of data is sent to CDN server, wherein the second index file can comprise the reference address information of each slice of data, optionally, second index file can also comprise the first checking mark and preset out-of-service time threshold value, second index file is that CDN server sends when being proved to be successful the second index file solicited message.
S309, when the content request message of CDN server to slice of data is proved to be successful, sends this slice of data to media client.
When the content request message of CDN server to each slice of data is proved to be successful, corresponding slice of data can be sent to media client, and then after media client receives the slice of data that CDN server returns, this slice of data can be provided, such as play to user the audio/video information that CDN server returns, or the text message returned in display interface display CDN server or image information etc.
In the anti-stealing link method shown in Fig. 3, media client receives the reference address information that EPG server sends, according to reference address information generating indexes file request information, and send index file solicited message to CDN server, when CDN server is proved to be successful index file solicited message, index file is sent to media client, media client is according to the reference address information of each slice of data in index file, the content request message of each slice of data is sent to CDN server, when CDN server is proved to be successful content request message, each slice of data is sent to media client, the reliability of door chain can be improved, effective probability reducing robber's chain.
Refer to Fig. 4, Fig. 4 is the schematic flow sheet of a kind of anti-stealing link method provided in fourth embodiment of the invention, this anti-stealing link method is applied to OTT (Over The Top, service is provided to user by the Internet) in video living transmission system, OTT video living transmission system adopts HLS (HTTP Live Streaming, dynamic code rate adaptive technique) agreement, then the flow process of media client acquisition programme televised live mainly comprises acquisition first index file, second index file and each slice of data, the embodiment of the present invention is changed less to the framework of OTT video living transmission system, cost is lower, anti-stealing link method as shown in the figure in the embodiment of the present invention can comprise:
S401, media client sends the reference address solicited message of programme televised live to EPG server.
Media client can send the reference address solicited message of programme televised live to EPG server, such as, user can submit the acquisition solicited message of programme televised live to media client, media client can according to obtaining the reference address solicited message of solicited message to EPG server transmission programme televised live, and for example, user can submit keyword to media client, such as " Animal World ", then media client can send the reference address solicited message of programme televised live corresponding to keyword to EPG server according to keyword.
S402, EPG server returns the reference address information of programme televised live according to the reference address solicited message of programme televised live.
S403, media client, according to the default out-of-service time threshold value of programme televised live and key thereof, generates the first checking mark.
Media client can according to the default out-of-service time threshold value of programme televised live and key thereof, generates the first checking mark, wherein default in key and CDN server cipher key match.Concrete, media client can by the default out-of-service time threshold value of media information and key thereof, the first checking mark is generated by the algorithm preset, such as, media client can by the MD5 algorithm preset, according to the default out-of-service time threshold value of media information and cryptographic Hash corresponding to secret generating thereof.If wherein current time is 12: 30: 24 on the 22nd September in 2014, then presetting out-of-service time threshold value can be and the current time interval temporal information of four hours, namely 14922163024, represent that data request information lost efficacy after 16: 30: 24 on the 22nd September in 2014, it is to be noted, default out-of-service time threshold value in the embodiment of the present invention including but not limited to the current time interval temporal information of four hours, research staff can revise accordingly according to different scenes, and the embodiment of the present invention does not limit.
In an alternative embodiment, media client can be held consultation with CDN server, to obtain and the key of cipher key match preset in CDN server.Such as, after media client and CDN server establish a communications link, a key can be set at random, and the key of setting is sent in CDN server, store this key to make CDN server.And for example, media client can send the cipher key request information of media information to CDN server, and receives the key of the media information that CDN server returns.The key that media client gets is identical with the key preset in CDN server.
S404, media client, according to the reference address information of programme televised live and the first checking mark, generates the first index file solicited message.
Media client according to the reference address information of programme televised live and the first checking mark, can generate the first index file solicited message, and wherein data request information can comprise reference address, first checking mark and the default out-of-service time threshold value of media information.
S405, media client sends the first index file solicited message to CDN server.
S406, CDN server is verified the first index file solicited message.
After CDN server receives the first index file solicited message, can verify the first index file solicited message.Concrete, CDN server can detect the default out-of-service time threshold value in the whether satisfied first index file solicited message of current time, if current time meets the default out-of-service time threshold value in the first index file solicited message, then CDN server can generate the second checking mark according to the default out-of-service time threshold value in the key preset and the first index file solicited message, detect the second checking mark and verify to identify whether mate with first, if the second checking mark and first is verified marking matched, then CDN server is determined to detect that the first index file solicited message is proved to be successful.
S407, when CDN server is proved to be successful the first index file solicited message, sends the first index file to media client, and wherein the first index file comprises the reference address information of the second index file.
When CDN server is proved to be successful the first index file solicited message, the first index file is sent to media client, wherein the first index file comprises the reference address information of the second index file, optionally, first index file can also comprise the first checking mark and default out-of-service time threshold value in the first index file solicited message, exemplary, the first index file can comprise the brief introduction of programme televised live, type, the information such as performer or director.
S408, media client, according to the reference address information of the second index file, sends the second index file solicited message to CDN server.
Media client according to the reference address information of the second index file, can generate the second index file solicited message, and sends the second index file solicited message to CDN server.Second index file solicited message can comprise reference address, first checking mark and the default out-of-service time threshold value of the second index file.
First index file comprise in the first index file solicited message first checking mark and default out-of-service time threshold value time, media client can according to the reference address information of the second index file in the first index file, first checking mark and default out-of-service time threshold value, generate the second index file solicited message, after avoiding media client to receive the first index file, according to default out-of-service time threshold value and the key thereof of programme televised live, generate the first checking mark, and then verify mark according to the reference address information and first of the second index file, generate the second index file solicited message, the embodiment of the present invention can promote data-handling efficiency.
S409, CDN server is verified the second index file solicited message.
After CDN server receives the second index file solicited message, can verify the second index file solicited message.Concrete, CDN server can detect the default out-of-service time threshold value in the whether satisfied second index file solicited message of current time, if current time meets the default out-of-service time threshold value in the second index file solicited message, then CDN server can detect the second checking mark and verify to identify whether mate with first, if the second checking mark and first is verified marking matched, then CDN server is determined to detect that the second index file solicited message is proved to be successful.
S410, when CDN server is proved to be successful the second index file solicited message, sends the second index file to media client, and wherein the second index file comprises the reference address information of each slice of data.
When CDN server is proved to be successful the second index file solicited message, the second index file is sent to media client, wherein the second index file comprises the reference address information of each slice of data, optionally, the second index file can also comprise the first checking mark and default out-of-service time threshold value in the second index file solicited message.
S411, media client, according to the reference address information of each slice of data, sends the content request message of each slice of data to CDN server.
Media client according to the reference address information of each slice of data, can generate the content request message of each slice of data, and sends the content request message of each slice of data to CDN server.The content request message of slice of data can comprise reference address, first checking mark and the default out-of-service time threshold value of slice of data.Such as, media client can send the content request message of the first slice of data to CDN server according to the reference address information of the first slice of data, after the content request message of CDN server to the first slice of data is proved to be successful, media client can receive the first slice of data that CDN server returns, further, media client can send the content request message of the second slice of data to CDN server according to the reference address information of the second slice of data, after the content request message of CDN server to the second slice of data is proved to be successful, media client can receive the second slice of data that CDN server returns, until media client receives each slice of data.
Second index file comprise in the second index file solicited message first checking mark and default out-of-service time threshold value time, media client can according to the reference address information of slice of data in the second index file, first checking mark and default out-of-service time threshold value, generate the content request message of slice of data, after avoiding media client to receive the second index file, according to default out-of-service time threshold value and the key thereof of programme televised live, generate the first checking mark, and then verify mark according to the reference address information and first of slice of data, generate the content request message of slice of data, the embodiment of the present invention can promote data-handling efficiency.
S412, the content request message of CDN server to slice of data is verified.
CDN server can be verified the content request message of slice of data.Concrete, CDN server can detect current time and whether meet default out-of-service time threshold value in the content request message of slice of data, if current time meets the default out-of-service time threshold value in the content request message of slice of data, then CDN server can detect the second checking mark and verify to identify whether mate with first, if the second checking mark and first is verified marking matched, then CDN server determines that content request message slice of data being detected is proved to be successful.
S413, when the content request message of CDN server to slice of data is proved to be successful, sends this slice of data to media client.
S414, media client plays this slice of data.
In the anti-stealing link method shown in Fig. 4, media client is according to the reference address information of programme televised live and the first checking mark, generate the first index file solicited message, when CDN server is proved to be successful the first index file solicited message that media client sends, the first index file is sent to media client, when CDN server is proved to be successful the second index file solicited message that media client sends, the second index file is sent to media client, when the content request message of CDN server to each slice of data that media client sends is proved to be successful, corresponding slice of data is sent to media client, media client plays this slice of data, the reliability of door chain can be improved, effective probability reducing robber's chain.
Refer to Fig. 5, Fig. 5 is the structural representation of a kind of media client provided in the embodiment of the present invention, wherein the media client that provides of the embodiment of the present invention is corresponding with the method shown in Fig. 1, for the executive agent based on the anti-stealing link method shown in Fig. 1, media client 500 as shown in the figure in the embodiment of the present invention at least can comprise solicited message sending module 510, generation module 520 and receiver module 530, wherein:
Solicited message sending module 510, for sending the reference address solicited message of media information to EPG server, with the reference address information making EPG server return media information.Such as, user can submit the acquisition solicited message of media information to media client 500, solicited message sending module 510 can send the reference address solicited message of media information to EPG server according to acquisition solicited message, with the reference address information making EPG server return media information.And for example, user can submit keyword to media client 500, such as " Animal World ", then solicited message sending module 510 can send the reference address solicited message of media information corresponding to keyword to EPG server according to keyword, with the reference address information making EPG server return media information.
Generation module 520, for the reference address information according to media information, the data request information of generated media information.
Solicited message sending module 510, also for sending data request information to CDN server, to make CDN server return media information according to data request information, wherein media information is that CDN server sends when being proved to be successful data request information.
Receiver module 530, for receiving the described media information that described CDN server returns.
In an alternative embodiment, the generation module 520 in the embodiment of the present invention can as shown in Figure 6, comprise further:
Checking identification generation unit 610, for according to the default out-of-service time threshold value of media information and key thereof, generates the first checking mark, wherein default in key and CDN server cipher key match.
Solicited message generation unit 620, verifies mark, the data request information of generated media information for the reference address information and first according to media information.Wherein, data request information can comprise reference address, first checking mark and the default out-of-service time threshold value of media information.
Further alternative, solicited message sending module 510, also for verifying that identification generation unit 610 is according to before the default out-of-service time threshold value of media information and secret generating first checking mark thereof, sends the cipher key request information of media information to CDN server.
Receiver module 530, also for receiving the key of the media information that CDN server returns.
In an alternative embodiment, media information is that CDN server is when detecting that current time meets default out-of-service time threshold value, mark is verified, the information sent when detecting that the second checking identifies and first verifies marking matched according to default out-of-service time threshold value and the secret generating second preset.
In an alternative embodiment, generation module 520, for the reference address information according to media information, the index file solicited message of generated media information.
Receiver module 530, for receiving the index file that CDN server returns, wherein index file is that CDN server sends when being proved to be successful index file solicited message.
Further alternative, solicited message sending module 510, after also receiving for receiver module 530 index file that CDN server returns, according to the reference address information of each slice of data in index file, send the content request message of each slice of data to CDN server.
Receiver module 530, also for receiving each slice of data that CDN server returns, wherein each slice of data is that CDN server sends when being proved to be successful content request message.
Further alternative, index file can comprise the first index file and the second index file, wherein:
Generation module 520, for the reference address information according to media information, the first index file solicited message of generated media information.
Receiver module 530, for receiving the first index file that CDN server returns, wherein the first index file is that CDN server sends when being proved to be successful the first index file solicited message.
Further alternative, generation module 520, after also receiving for receiver module 530 the first index file that CDN server returns, according to the reference address information of the second index file in the first index file, generates the second index file solicited message.
Solicited message sending module 510, also for sending the second index file solicited message to CDN server, the second index file is returned to make CDN server, wherein the second index file is that CDN server sends when being proved to be successful the second index file solicited message, and the second index file can comprise the reference address information of each slice of data.
Receiver module 530, also for receiving the second index file that CDN server returns.
In the multimedia client shown in Fig. 5, solicited message sending module 510 sends the reference address solicited message of media information to EPG server, generation module 520 according to EPG server return reference address information generate data request information, solicited message sending module 510 sends data request information to CDN server, receiver module 530 receives the media information that CDN server returns, wherein media information is that CDN server sends when being proved to be successful data request information, the reliability of door chain can be improved, effectively reduce the probability stealing chain.
Refer to Fig. 7, Fig. 7 is the structural representation of a kind of anti-stealing link system provided in the embodiment of the present invention, it should be noted that, the anti-stealing link system of the embodiment of the present invention can be applicable in above-mentioned anti-stealing link method.Anti-stealing link system 700 as shown in the figure in the embodiment of the present invention at least can comprise media client 710, EPG server 720 and CDN server 730, and media client 710 can composition graphs 5 or the media client shown in Fig. 6, wherein:
Media client 710, for sending the reference address solicited message of media information to EPG server 720.
EPG server 720, for sending the reference address information of media information to media client 710.
Media client 710, also for the reference address information according to media information, the data request information of generated media information, sends described data request information to CDN server 730.
CDN server 730, when being proved to be successful data request information for detecting, sends media information according to data request information to media client 710.
Media client 710, also for receiving the media information that CDN server 730 sends.
In an alternative embodiment, media client 710 is according to the default out-of-service time threshold value of media information and key thereof, generate the first checking mark, the cipher key match wherein preset in key and CDN server 730, and then verify mark, the data request information of generated media information according to the reference address information and first of media information.Wherein data request information can comprise reference address, first checking mark and the default out-of-service time threshold value of media information.
In an alternative embodiment, media client 710 is according to the default out-of-service time threshold value of media information and key thereof, before generating the first checking mark, the cipher key request information of media information can also be sent to CDN server 730, receive the key of the media information that CDN server 730 returns.
In an alternative embodiment, CDN server 730 can detect whether current time meets and preset out-of-service time threshold value, when detecting that current time meets default out-of-service time threshold value, mark is verified according to default out-of-service time threshold value and default secret generating second, detecting the second checking mark and verify to identify whether mate with first, sending media information when detecting that the second checking identifies and first verifies marking matched to media client 710.
In an alternative embodiment, media client 710 can according to the reference address information of media information, the index file solicited message of generated media information, index file solicited message is sent to CDN server 730, then CDN server 730 can be verified index file solicited message, index file is returned when detecting and index file solicited message is proved to be successful, media client 710 receives the index file that CDN server 730 returns, and wherein index file is that CDN server 730 pairs of index file solicited messages send when being proved to be successful.
Further alternative, media client 710 can according to the reference address information of each slice of data in index file, the content request message of each slice of data is sent to CDN server 730, the content request message of CDN server 730 to each slice of data is verified, detect when the content request message of slice of data is proved to be successful, return slice of data, media client 710 receives each slice of data that CDN server 730 returns.
Further alternative, index file can comprise the first index file and the second index file, wherein:
Media client 710 is according to the reference address information of media information, the first index file solicited message is sent to CDN server 730, CDN server 730 is verified the first index file solicited message, detect the first index file solicited message is proved to be successful time, the first index file is sent to media client 710, media client 710 is according to the reference address information of the second index file in the first index file, the second index file solicited message is sent to CDN server 730, CDN server 730 is verified the second index file solicited message, detect the second index file solicited message is proved to be successful time, the second index file is sent to media client 710, wherein the second index file can comprise the reference address information of each slice of data.
In the anti-stealing link system shown in Fig. 7, the reference address information of the media information that media client 710 returns according to EPG server 720, the data request information of generated media information, data request information is sent to CDN server 730, when CDN server 730 detects and is proved to be successful data request information, send media information according to data request information to media client 710, the reliability of door chain can be improved, effectively reduce the probability stealing chain.
One of ordinary skill in the art will appreciate that all or part of flow process realized in above-described embodiment method, that the hardware that can carry out instruction relevant by computer program has come, described program can be stored in computer read/write memory medium, this program, when performing, can comprise the flow process of the embodiment as above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory, ROM) or random store-memory body (Random Access Memory, RAM) etc.
It should be noted that, in the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields in certain embodiment, there is no the part described in detail, can see the associated description of other embodiments.Secondly, those skilled in the art also should know, the embodiment described in specification all belongs to preferred embodiment, and involved action and module might not be that the present invention is necessary.
Step in embodiment of the present invention method can be carried out order according to actual needs and be adjusted, merges and delete.
Module in embodiment of the present invention client or unit can carry out merging, divide and deleting according to actual needs.
Module described in the embodiment of the present invention, universal integrated circuit can be passed through, such as CPU (Central Processing Unit, central processing unit), or realized by ASIC (Application Specific Integrated Circuit, application-specific integrated circuit (ASIC)).
Above anti-stealing link method, client and system that the embodiment of the present invention provides are described in detail, apply specific case herein to set forth principle of the present invention and execution mode, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (15)
1. an anti-stealing link method, is characterized in that, comprising:
The reference address solicited message of media information is sent, with the reference address information making described EPG server return described media information to EPG server;
According to the reference address information of described media information, generate the data request information of described media information;
Described data request information is sent to content distributing network CDN server, to make described CDN server return described media information according to described data request information, wherein said media information is that described CDN server sends when being proved to be successful described data request information;
Receive the described media information that described CDN server returns.
2. anti-stealing link method as claimed in claim 1, it is characterized in that, the described reference address information according to described media information, the data request information generating described media information comprises:
According to default out-of-service time threshold value and the key thereof of described media information, generate the first checking mark, cipher key match default in wherein said key and described CDN server;
According to reference address information and the described first checking mark of described media information, generate the data request information of described media information.
3. anti-stealing link method as claimed in claim 2, is characterized in that, the described default out-of-service time threshold value according to described media information and key thereof, before generating the first checking mark, also comprises:
The cipher key request information of described media information is sent to described CDN server;
Receive the key of the described media information that described CDN server returns.
4. anti-stealing link method as claimed in claim 2, it is characterized in that, described data request information comprises:
The reference address of described media information, described first checking mark and described default out-of-service time threshold value.
5. anti-stealing link method as claimed in claim 4, it is characterized in that, described media information is that described CDN server is when detecting that current time meets described default out-of-service time threshold value, according to described default out-of-service time threshold value and described default secret generating second checking mark, the information sent when detecting that described second checking identifies and described first verifies marking matched.
6. anti-stealing link method as claimed in claim 1, it is characterized in that, the described reference address information according to described media information, the data request information generating described media information comprises:
According to the reference address information of described media information, generate the index file solicited message of described media information;
The described media information that the described CDN server of described reception returns comprises:
Receive the index file that described CDN server returns, wherein said index file is that described CDN server sends when being proved to be successful described index file solicited message.
7. anti-stealing link method as claimed in claim 6, is characterized in that, after the index file that the described CDN server of described reception returns, also comprise:
According to the reference address information of each slice of data in described index file, send the content request message of each slice of data described to described CDN server;
Receive each slice of data described that described CDN server returns, each slice of data wherein said is that described CDN server sends when being proved to be successful described content request message.
8. a media client, is characterized in that, comprising:
Solicited message sending module, for sending the reference address solicited message of media information to EPG server, with the reference address information making described EPG server return described media information;
Generation module, for the reference address information according to described media information, generates the data request information of described media information;
Described request information sending module, also for sending described data request information to CDN server, to make described CDN server return described media information according to described data request information, wherein said media information is that described CDN server sends when being proved to be successful described data request information;
Receiver module, for receiving the described media information that described CDN server returns.
9. media client as claimed in claim 8, it is characterized in that, described generation module comprises:
Checking identification generation unit, for according to the default out-of-service time threshold value of described media information and key thereof, generates the first checking mark, cipher key match default in wherein said key and described CDN server;
Solicited message generation unit, verifies mark for the reference address information and described first according to described media information, generates the data request information of described media information.
10. media client as claimed in claim 9, is characterized in that,
Described request information sending module, before also verifying mark for described checking identification generation unit according to the default out-of-service time threshold value of described media information and secret generating first thereof, sends the cipher key request information of described media information to described CDN server;
Described receiver module, also for receiving the key of the described media information that described CDN server returns.
11. media clients as claimed in claim 9, it is characterized in that, described data request information comprises:
The reference address of described media information, described first checking mark and described default out-of-service time threshold value.
12. media clients as claimed in claim 11, it is characterized in that, described media information is that described CDN server is when detecting that current time meets described default out-of-service time threshold value, according to described default out-of-service time threshold value and described default secret generating second checking mark, the information sent when detecting that described second checking identifies and described first verifies marking matched.
13. media clients as claimed in claim 8, is characterized in that,
Described generation module, for the reference address information according to described media information, generates the index file solicited message of described media information;
Described receiver module, for receiving the index file that described CDN server returns, wherein said index file is that described CDN server sends when being proved to be successful described index file solicited message.
14. media clients as claimed in claim 13, is characterized in that,
Described request information sending module, after also receiving for described receiver module the index file that described CDN server returns, according to the reference address information of each slice of data in described index file, send the content request message of each slice of data described to described CDN server;
Described receiver module, also for receive described CDN server return described in each slice of data, each slice of data wherein said is that described CDN server sends when being proved to be successful described content request message.
15. 1 kinds of anti-stealing link systems, is characterized in that, comprise the media client as described in any one of claim 8 ~ 14, EPG server and CDN server, wherein:
Described media client, for sending the reference address solicited message of media information to described EPG server;
Described EPG server, for sending the reference address information of described media information to described media client;
Described media client, also for the reference address information according to described media information, generates the data request information of described media information; Described data request information is sent to described CDN server;
Described CDN server, when being proved to be successful described data request information for detecting, sends described media information according to described data request information to described media client;
Described media client, also for receiving the described media information that described CDN server sends.
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| US10887634B2 (en) | 2018-07-26 | 2021-01-05 | Wangsu Science & Technology Co., Ltd. | Video resource file acquisition method and management system |
| WO2020019387A1 (en) * | 2018-07-26 | 2020-01-30 | 网宿科技股份有限公司 | Method for acquiring video resource file, and management system |
| CN110248215A (en) * | 2019-05-22 | 2019-09-17 | 福建大屏网络科技有限公司 | Video playing chain method for authenticating, device, system, server and storage medium |
| CN110138808A (en) * | 2019-06-27 | 2019-08-16 | 苏宁消费金融有限公司 | Anti-hijacking method for down loading and system based on CDN |
| CN110381334A (en) * | 2019-09-02 | 2019-10-25 | 湖南快乐阳光互动娱乐传媒有限公司 | Anti-stealing link method, apparatus and system |
| CN110381334B (en) * | 2019-09-02 | 2021-05-28 | 湖南快乐阳光互动娱乐传媒有限公司 | Anti-stealing-link method, device and system |
| CN111314365A (en) * | 2020-02-25 | 2020-06-19 | 卓望数码技术（深圳）有限公司 | Application downloading method, application link generating method, device and medium |
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