CN116318879A - Content distribution network source returning method and system based on Arian cloud object storage - Google Patents

Content distribution network source returning method and system based on Arian cloud object storage Download PDF

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Publication number
CN116318879A
CN116318879A CN202310124399.3A CN202310124399A CN116318879A CN 116318879 A CN116318879 A CN 116318879A CN 202310124399 A CN202310124399 A CN 202310124399A CN 116318879 A CN116318879 A CN 116318879A
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cdn
source
object storage
alicloud
address
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Chinese (zh)
Inventor
代存折
李妃军
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Hangzhou Arcvideo Technology Co ltd
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Hangzhou Arcvideo Technology Co ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/12—Applying verification of the received information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
    • H04L63/083—Network architectures or network communication protocols for network security for authentication of entities using passwords
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
    • H04L9/3247—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials involving digital signatures

Abstract

The invention discloses a content distribution network source returning method and system based on an Arian object storage, wherein the method comprises the following steps: the client initiates a resource request; the back source CDN receives the resource request, forwards the resource request to the back source service, and simultaneously configures to support redirection skip; redirecting CDN and the alicloud object storage interaction; checking the validity of the user to which the current resource belongs by adopting a checking module, checking whether the resource is legal or not, and delivering the address after passing the checking to a signature module for processing; a signature module is adopted to generate a redirection CDN address, and an access signature is generated for the privately-owned object storage, so that the redirection CDN address and the Arin cloud object storage interaction are facilitated; the alicloud object store provides a resource store management function and is configured to support redirection of CDN back sources into the object store.

Description

Content distribution network source returning method and system based on Arian cloud object storage
Technical Field
The invention belongs to the technical field of object storage, and particularly relates to a content distribution network source returning method and system based on an Arian object storage.
Background
The content delivery network (Content Delivery Network, CDN) is a distributed network built and overlaid on top of a carrier network, consisting of edge node server clusters distributed over different areas. CDNs are widely used, and support content acceleration in various industries and various scenes, for example: small files of pictures, large file downloads, video-audio on-demand, live streaming media, total station acceleration, security acceleration and the like. Object storage (Object Storage Service, OSS), also known as object-based storage, is a method of resolving and handling discrete units that can provide data storage services in the form of objects on a distributed system.
In the era of short video field explosion, many companies choose to store audio and video resources of users in object storage, because the object storage supports mass storage, the storage unit price is much lower than the cost of purchasing a hard disk for storage by building a machine room, and in order to solve the problem of concurrent access of the audio and video resources, CDNs are also generally selected for content acceleration to improve user experience, and the higher domestic utilization rate of the two products is Arian cloud.
Based on the above scenario, the service party often needs to provide a source-returning module to process the scenario of multi-user resource isolation or verification, because there is no concept of user in the object storage, and the service layer needs to distinguish. If the address provided by the object storage is simply used for directly accessing the resource, the purpose of isolating or checking the resource cannot be achieved, and even if the object storage is set to be private, the public resource access address cannot be provided in the mode. The scheme commonly used at present realizes multi-user resource isolation and verification through the universal domain name and the back source module of the CDN, and the mode can realize multi-user service scene, but because the back source module directly accesses the resources in the object storage to respond, the resources belong to public network traffic flow, and the single price CDN traffic unit price in the Ali cloud is much higher, so that higher operation cost is generated.
Disclosure of Invention
In view of the above problems, the present invention provides a content distribution network source returning method and system based on an alicloud object storage, which can isolate the users from the resources in the object storage with lower operation cost, and verify the validity of the users and the resources.
In order to solve the technical problems, the invention adopts the following technical scheme:
the first aspect of the present invention provides a content delivery network source returning method based on an ali cloud object storage, which is applied to a content delivery network source returning system based on an ali cloud object storage and comprising a client, an ali cloud content delivery network, a source returning service and an ali cloud object storage, wherein the ali cloud content delivery network CDN further comprises a source returning content delivery network CDN and a redirected content delivery network CDN, the source returning service comprises a verification module and a signature module, and the method comprises the following steps:
the client initiates a resource request;
the back source CDN receives the resource request, forwards the resource request to the back source service, and simultaneously configures to support redirection skip;
redirecting CDN and the alicloud object storage interaction;
checking the validity of the user to which the current resource belongs by adopting a checking module, checking whether the resource is legal or not, and delivering the address after passing the checking to a signature module for processing; a signature module is adopted to generate a redirection CDN address, and an access signature is generated for the privately-owned object storage, so that the redirection CDN address and the Arin cloud object storage interaction are facilitated;
the alicloud object store provides a resource store management function and is configured to support redirection of CDN back sources into the object store.
In a possible implementation manner, the client is a device supporting sending an http request.
In a possible implementation manner, the configuring to support redirection skip at the same time specifically includes: the return source CDN adopts an Arian pan domain name format, an independent user is positioned through a user information identifier defined by a service system, a domain name is configured on a console of the Arian CDN, a return source address is firstly set to point to return source service, and a return source 302 following attribute is started on the domain name to support a redirection CDN address responded by the return source service.
In one possible implementation, the back source address of the CDN address configuration points to a specific bucket domain name address of the ali cloud object store to be accessed.
In a possible implementation manner, the object storage is provided with a socket and a key, wherein the socket belongs to top class classification, the socket is private, one redirection CDN can only return a source to one socket, the Ali cloud object storage control console generates a corresponding CDN access address for each socket, and the key is a storage path.
The second aspect of the present invention provides a content delivery network back-source system based on an alicloud object storage, comprising a client, an alicloud content delivery network, a back-source service and an alicloud object storage, wherein the alicloud content delivery network CDN further comprises a back-source content delivery network CDN and a redirect content delivery network CDN, the back-source service comprises a verification module and a signature module,
the client is used for initiating a resource request;
the back source CDN is used for receiving the resource request, forwarding the resource request to the back source service, and configuring to support the redirection skip;
the redirection CDN is used for interacting with the Ariy cloud object storage;
the verification module is used for verifying the validity of the user to which the current resource belongs, verifying whether the resource is legal or not, and delivering the address after verification to the signature module for processing; the signature module is used for generating a redirection CDN address and generating an access signature aiming at the privately-owned object storage, so that the redirection CDN address and the Arin cloud object storage interaction are facilitated;
the Alicloud object store is used for providing a resource storage management function and is configured for supporting redirection of CDN back sources into the object store.
In a possible implementation manner, the client is a device supporting sending an http request.
In a possible implementation manner, the configuring to support redirection skip at the same time specifically includes: the return source CDN adopts an Arian pan domain name format, an independent user is positioned through a user information identifier defined by a service system, a domain name is configured on a console of the Arian CDN, a return source address is firstly set to point to return source service, and a return source 302 following attribute is started on the domain name to support a redirection CDN address responded by the return source service.
In one possible implementation, the back source address of the CDN address configuration points to a specific bucket domain name address of the ali cloud object store to be accessed.
In a possible implementation manner, the object storage is provided with a socket and a key, wherein the socket belongs to top class classification, the socket is private, one redirection CDN can only return a source to one socket, the Ali cloud object storage control console generates a corresponding CDN access address for each socket, and the key is a storage path.
The invention has the following beneficial effects: the method can isolate the resources in the object storage by users at lower operation cost and verify the validity of the users and the resources.
Drawings
Fig. 1 is a schematic block diagram of a content distribution network source return system based on an alicloud object storage according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating steps of a content distribution network source-returning method based on an alicloud object storage according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 2, a flowchart of steps of a content delivery network source returning method based on an alicloud object storage according to an embodiment of the present invention is applied to a content delivery network source returning system including a client, an alicloud content delivery network, a source returning service, and an alicloud object storage based on an alicloud object storage, where the alicloud content delivery network CDN further includes a source returning content delivery network CDN and a redirect content delivery network CDN, the source returning service includes a verification module and a signature module, and referring to fig. 1, a schematic block diagram of the content delivery network source returning system based on the alicloud object storage includes the following steps:
s10, a client initiates a resource request;
s20, the back source content distribution network receives the resource request, forwards the resource request to the back source service, and simultaneously configures to support redirection skip;
s30, redirecting the content distribution network to interact with the Arian cloud object storage;
s40, checking the validity of the user to which the current resource belongs by adopting a checking module, checking whether the resource is legal or not, and delivering the checked address to a signature module for processing; generating a redirected content distribution network address by adopting a signature module, and generating an access signature aiming at the privately-owned object storage, so that the redirected content distribution network address is convenient to interact with the Arian object storage;
s50, the Ardisy object storage provides a resource storage management function, and is configured to support the redirection of the content distribution network back to the object storage.
In an embodiment of the present invention, the client, i.e. all visitors of the resource, is any device supporting sending http requests, for example: a browser, IOS, android, etc. may be used as a client, with the following examples of requests: http:// test.vod.com/demo.mp4.
In an embodiment of the present invention, the alicloud content delivery network CDN is configured to create a CDN domain name on an alicloud platform. In order to support a multi-user scenario, the back source CDN adopts an alicloud domain name format, such as a domain name format: * Vod.com, then the sub-domain name may have: the method comprises the steps of testing 1.Vod.com, testing 2.Vod.com and testing n.vod.com, wherein test1, test2 and test n are user identification information defined by a service system, an independent user can be positioned through the identification, meanwhile, in a console of an alicloud CDN, a vold.com domain name needs to be configured, a back source address needs to point to a back source service first, an external network ip mode or an external network domain name mode, limitation is not carried out, and a 'back source 302 following' attribute is required to be started for the domain name so as to support a redirection CDN address of a back source service response. The redirection CDN is used for directly interacting with the object storage, a redirection CDN address is generated by a signature module in the return source service and is initiated by the return source CDN, the redirection CDN address is invisible to a client, request interaction is carried out inside the Ali cloud CDN, the domain name address of the redirection CDN can be customized without the need of domain name, for example: the source address of the redirection CDN address configuration needs to point to a specific socket domain name address of the ali cloud object store to be accessed, where the socket domain name address is provided by the ali cloud object store, and is associated.
In an embodiment of the present invention, the back source service is used to check the user and the resource, and no real data stream transmission is performed, i.e. no traffic is generated. The checking module is used to screen and filter the users and resources in the back source CDN address of the client request according to the service requirement, for example, whether the user is arrears, deactivated, blacklisted, whether the resource belongs to the current user, and deleted, which is exemplified by the example of the client request described above: the checking module inquires a test user to judge whether the service condition is met or not, and if not, the corresponding error code is responded, for example, the user is deactivated and can respond to the http state code 403; the accessed resource is demo.mp4, the verification module queries the demo.mp4 resource, judges whether the service condition is met, and responds to the corresponding error code if the condition is not met, for example, the resource is deleted and can respond to the http state code 404; and after the service verification is passed, the back source CDN address is forwarded to a signature module for processing. The signature module is used for carrying out signature processing on the privately owned Array cloud object storage, generating an address of a redirection CDN after the signature is completed, carrying out http-302 response on an http:// test.com/demo.mp4 access address to obtain an http:// vod-bs.com/test/demo.mp4sign=xxx address, and sending the http =post/post/demo.com to a back source CDN, wherein the vod-bs.com is a redirection CDN address configured in the Array cloud CDN, the test is a user to which the resource belongs, the demo.mp4 is a resource path name, and the sign parameter is signature authentication required by the Array cloud object storage; when the reply source CDN receives the http-302 status code of the signature module, the reply source CDN will continue to request the redirect CDN address because it has previously configured the "reply source 302 follows" attribute, and the redirect CDN accesses the ali cloud object store to respond back to the file stream.
In an embodiment of the present invention, the alicloud object storage is used to provide a basic resource storage management function, and needs to be specially configured to support a redirection CDN to return a source to the object storage, where the object storage has a concept of a socket and a key, the socket belongs to a top class classification, for data security, the socket is generally private, one redirection CDN can only return a source to one socket, and in the alicloud object storage console, by default, a corresponding return source CDN address is generated for each socket, and the key is a storage path, for example: http:// vod-bucket.com, the redirect CDN address needs to be configured as a back source information in the redirect CDN domain name.
Corresponding to the method embodiment, referring to fig. 1, a schematic block diagram of a content delivery network back-source system based on an alicloud object storage according to an embodiment of the present invention is shown, including a client, an alicloud content delivery network, a back-source service, and an alicloud object storage, where the alicloud content delivery network CDN further includes a back-source content delivery network CDN and a redirect content delivery network CDN, and the back-source service includes a verification module and a signature module, where the client is configured to initiate a resource request; the back source CDN is used for receiving the resource request, forwarding the resource request to the back source service, and configuring to support the redirection skip; the redirection CDN is used for interacting with the Ariy cloud object storage; the verification module is used for verifying the validity of the user to which the current resource belongs, verifying whether the resource is legal or not, and delivering the address after verification to the signature module for processing; the signature module is used for generating a redirection CDN address and generating an access signature aiming at the privately-owned object storage, so that the redirection CDN address and the Arin cloud object storage interaction are facilitated; the Alicloud object store is used for providing a resource storage management function and is configured for supporting redirection of CDN back sources into the object store.
In an embodiment of the present invention, the client, i.e. all visitors of the resource, is any device supporting sending http requests, for example: a browser, IOS, android, etc. may be used as a client, with the following examples of requests: http:// test.vod.com/demo.mp4.
In an embodiment of the present invention, the alicloud content delivery network CDN is configured to create a CDN domain name on an alicloud platform. In order to support a multi-user scenario, the back source CDN adopts an alicloud domain name format, such as a domain name format: * Vod.com, then the sub-domain name may have: the method comprises the steps of testing 1.Vod.com, testing 2.Vod.com and testing n.vod.com, wherein test1, test2 and test n are user identification information defined by a service system, an independent user can be positioned through the identification, meanwhile, in a console of an alicloud CDN, a vold.com domain name needs to be configured, a back source address needs to point to a back source service first, an external network ip mode or an external network domain name mode, limitation is not carried out, and a 'back source 302 following' attribute is required to be started for the domain name so as to support a redirection CDN address of a back source service response. The redirection CDN is used for directly interacting with the object storage, a redirection CDN address is generated by a signature module in the return source service and is initiated by the return source CDN, the redirection CDN address is invisible to a client, request interaction is carried out inside the Ali cloud CDN, the domain name address of the redirection CDN can be customized without the need of domain name, for example: the source address of the redirection CDN address configuration needs to point to a specific socket domain name address of the ali cloud object store to be accessed, where the socket domain name address is provided by the ali cloud object store, and is associated.
In an embodiment of the present invention, the back source service is used to check the user and the resource, and no real data stream transmission is performed, i.e. no traffic is generated. The checking module is used to screen and filter the users and resources in the back source CDN address of the client request according to the service requirement, for example, whether the user is arrears, deactivated, blacklisted, whether the resource belongs to the current user, and deleted, which is exemplified by the example of the client request described above: the checking module inquires a test user to judge whether the service condition is met or not, and if not, the corresponding error code is responded, for example, the user is deactivated and can respond to the http state code 403; the accessed resource is demo.mp4, the verification module queries the demo.mp4 resource, judges whether the service condition is met, and responds to the corresponding error code if the condition is not met, for example, the resource is deleted and can respond to the http state code 404; and after the service verification is passed, the back source CDN address is forwarded to a signature module for processing. The signature module is used for carrying out signature processing on the privately owned Array cloud object storage, generating an address of a redirection CDN after the signature is completed, carrying out http-302 response on an http:// test.com/demo.mp4 access address to obtain an http:// vod-bs.com/test/demo.mp4sign=xxx address, and sending the http =post/post/demo.com to a back source CDN, wherein the vod-bs.com is a redirection CDN address configured in the Array cloud CDN, the test is a user to which the resource belongs, the demo.mp4 is a resource path name, and the sign parameter is signature authentication required by the Array cloud object storage; when the reply source CDN receives the http-302 status code of the signature module, the reply source CDN will continue to request the redirect CDN address because it has previously configured the "reply source 302 follows" attribute, and the redirect CDN accesses the ali cloud object store to respond back to the file stream.
In an embodiment of the present invention, the alicloud object storage is used to provide a basic resource storage management function, and needs to be specially configured to support a redirection CDN to return a source to the object storage, where the object storage has a concept of a socket and a key, the socket belongs to a top class classification, for data security, the socket is generally private, one redirection CDN can only return a source to one socket, and in the alicloud object storage console, by default, a corresponding return source CDN address is generated for each socket, and the key is a storage path, for example: http:// vod-bucket.com, the redirect CDN address needs to be configured as a back source information in the redirect CDN domain name.
Through the content distribution network source return system based on the Arian object storage, which is implemented by the embodiment, the resources in the object storage can be isolated by the user at lower operation cost, and the validity of the user and the resources can be checked. Cost calculation as shown in the following table, the technical scheme of the application can greatly save cost compared with the scheme in the prior art.
Table 1 comparison of prior art and cost of embodiments of the present invention
Figure BDA0004081376290000091
It should be understood that the exemplary embodiments described herein are illustrative and not limiting. Although one or more embodiments of the present invention have been described with reference to the accompanying drawings, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the present invention as defined by the following claims.

Claims (10)

1. The content delivery network back-source method based on the alicloud object storage is characterized by being applied to a content delivery network back-source system comprising a client, an alicloud content delivery network, a back-source service and an alicloud object storage based on the alicloud object storage, wherein the alicloud content delivery network CDN further comprises a back-source content delivery network CDN and a redirection content delivery network CDN, the back-source service comprises a verification module and a signature module, and the method comprises the following steps:
the client initiates a resource request;
the back source CDN receives the resource request, forwards the resource request to the back source service, and simultaneously configures to support redirection skip;
redirecting CDN and the alicloud object storage interaction;
checking the validity of the user to which the current resource belongs by adopting a checking module, checking whether the resource is legal or not, and delivering the address after passing the checking to a signature module for processing; a signature module is adopted to generate a redirection CDN address, and an access signature is generated for the privately-owned object storage, so that the redirection CDN address and the Arin cloud object storage interaction are facilitated;
the alicloud object store provides a resource store management function and is configured to support redirection of CDN back sources into the object store.
2. The method for content delivery network back-to-source based on alicloud object storage according to claim 1, wherein the client is a device supporting http request transmission.
3. The method for content delivery network back-to-source based on alicloud object storage according to claim 1, wherein said simultaneously configuring to support redirection hops specifically comprises: the return source CDN adopts an Arian pan domain name format, an independent user is positioned through a user information identifier defined by a service system, a domain name is configured on a console of the Arian CDN, a return source address is firstly set to point to return source service, and a return source 302 following attribute is started on the domain name to support a redirection CDN address responded by the return source service.
4. The method for content delivery network back-source based on alicloud object storage according to claim 1, wherein the back-source address of the CDN address configuration points to a specific socket domain name address of the alicloud object storage to be accessed.
5. The method for content delivery network back-to-source based on ali cloud object storage according to claim 1, wherein the object storage is provided with a socket and a key, the socket belongs to top class classification, the socket is private, a redirect CDN can only return a source to one socket, a corresponding CDN access address is generated for each socket at the ali cloud object storage control console, and the key is a storage path.
6. The content delivery network back source system based on the alicloud object storage is characterized by comprising a client, an alicloud content delivery network, a back source service and an alicloud object storage, wherein the alicloud content delivery network CDN further comprises a back source content delivery network CDN and a redirection content delivery network CDN, the back source service comprises a verification module and a signature module,
the client is used for initiating a resource request;
the back source CDN is used for receiving the resource request, forwarding the resource request to the back source service, and configuring to support the redirection skip;
the redirection CDN is used for interacting with the Ariy cloud object storage;
the verification module is used for verifying the validity of the user to which the current resource belongs, verifying whether the resource is legal or not, and delivering the address after verification to the signature module for processing; the signature module is used for generating a redirection CDN address and generating an access signature aiming at the privately-owned object storage, so that the redirection CDN address and the Arin cloud object storage interaction are facilitated;
the Alicloud object store is used for providing a resource storage management function and is configured for supporting redirection of CDN back sources into the object store.
7. The content distribution network back-to-source system based on the alicloud object storage of claim 6, wherein the client is a device supporting sending http requests.
8. The content delivery network back-to-source system based on alicloud object storage of claim 6, wherein said simultaneously configuring to support redirection hops specifically comprises: the return source CDN adopts an Arian pan domain name format, an independent user is positioned through a user information identifier defined by a service system, a domain name is configured on a console of the Arian CDN, a return source address is firstly set to point to return source service, and a return source 302 following attribute is started on the domain name to support a redirection CDN address responded by the return source service.
9. The content delivery network back-source system based on the alicloud object store according to claim 6, wherein the back-source address of the CDN address configuration points to a specific socket domain name address of the alicloud object store to be accessed.
10. The content delivery network back source system based on the alicloud object storage according to claim 6, wherein the object storage is provided with a socket and a key, the socket belongs to a top class classification, the socket is private, a redirect CDN can only return a source to one socket, a corresponding CDN access address is generated for each socket at the alicloud object storage control console, and the key is a storage path.
CN202310124399.3A 2023-02-16 2023-02-16 Content distribution network source returning method and system based on Arian cloud object storage Pending CN116318879A (en)

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