WO1999034286A1 - Procede et appareil capables d'introduire, d'extraire et de traiter des donnees dans un fichier ayant un format html - Google Patents

Procede et appareil capables d'introduire, d'extraire et de traiter des donnees dans un fichier ayant un format html Download PDF

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Publication number
WO1999034286A1
WO1999034286A1 PCT/US1998/027420 US9827420W WO9934286A1 WO 1999034286 A1 WO1999034286 A1 WO 1999034286A1 US 9827420 W US9827420 W US 9827420W WO 9934286 A1 WO9934286 A1 WO 9934286A1
Authority
WO
WIPO (PCT)
Prior art keywords
data
side host
receiving side
applet
html file
Prior art date
Application number
PCT/US1998/027420
Other languages
English (en)
Inventor
R. C. Venkatraman
Vincent Min-Hao Chern
Sekaran Nanja
Original Assignee
Postx Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Postx Corporation filed Critical Postx Corporation
Priority to EP98964885A priority Critical patent/EP1049975A1/fr
Priority to CA002315640A priority patent/CA2315640A1/fr
Priority to JP2000526862A priority patent/JP2002500392A/ja
Priority to AU20107/99A priority patent/AU741232B2/en
Publication of WO1999034286A1 publication Critical patent/WO1999034286A1/fr

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/04Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/90Details of database functions independent of the retrieved data types
    • G06F16/95Retrieval from the web
    • G06F16/958Organisation or management of web site content, e.g. publishing, maintaining pages or automatic linking
    • G06F16/986Document structures and storage, e.g. HTML extensions
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44Arrangements for executing specific programs
    • G06F9/445Program loading or initiating
    • G06F9/44521Dynamic linking or loading; Link editing at or after load time, e.g. Java class loading
    • G06F9/44526Plug-ins; Add-ons
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44Arrangements for executing specific programs
    • G06F9/451Execution arrangements for user interfaces
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/02Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]

Definitions

  • the present invention relates to digital data communications, and more particularly, to a method and apparatus for distributing data and programs between networked computers via files having an HTML format in a secure and self-executing fashion.
  • plug-in applications can include programs that are written in the Java programming language.
  • plug-ins are described generally in "Plug-Ins Documentation," Nov. 1997, available at http://developer.netscape.com/library/documentation/index.htm.
  • browsers have become platforms on which applications written in the Java programming language can be executed. Since browsers typically support a number of operating environments, this provides a means by which an application written in one common programming language can be executed with the same results across a variety of operating environments.
  • the present invention aims at leveraging the capabilities of interchanging and processing data via HTML files and conventional web browsers in new and useful ways.
  • An object of the present invention is to distribute data and programs between networked computers in an efficient and fast manner.
  • a method and apparatus fulfills these and other objects and is capable of distributing data within a file having an HTML format.
  • a first process creates the data, encodes it in a known format such as MIME Base 64, and embeds the data within a comment section of an HTML file.
  • a second process preferably implemented as a browser plug-in application, is used to extract the data from the HTML file and store the data in a separate data file.
  • a third process creates an HTML file that launches an applet that uses the data, and contains applet parameters including the paths to the separate data files in which the extracted data resides.
  • Figure 1 is a block diagram illustrating a configuration in accordance with the principles of the invention
  • Figure 2 is a flowchart illustrating a process of creating encoded data and embedding it in an HTML file in accordance with the principles of the invention
  • Figure 3 illustrates the format of an HTML file containing embedded data such as that created in the process illustrated in Figure 2;
  • FIG 4 is a flowchart illustrating a process of extracting embedded data from an HTML file such as that created in the process illustrated in Figure 2 in accordance with the principles of the invention
  • FIG. 5 is a flowchart illustrating a process of launching an applet that uses embedded data such as that extracted in the process illustrated in Figure 4 in accordance with the principles of the invention
  • Figure 6 illustrates the format of an HTML file containing instructions for launching an applet such as that created in the process illustrated in Figure 5;
  • Figure 7 illustrates a specific example of the format of an HTML data file created in accordance with the invention.
  • Figure 8 illustrates a specific example of the format of an HTML file containing instructions for launching an applet created in accordance with the present invention.
  • sending side host 2 includes a computer 10-A, and a user interface 20-A.
  • Sending side computer 10-A includes a CPU 12- A, an executable RAM 14- A, and a mass storage drive 16- A.
  • Receiving side host 4 includes a computer 10-B, and a user interface 20-B.
  • Receiving side computer 10-B includes a CPU 12-B, an executable RAM 14-B, and a mass storage drive 16-B.
  • Computers 10-A and 10-B are functional as is conventionally known to execute programs loaded into RAM 14-A and 14-B, which programs contain instructions that are performed by CPU 12- A and 12-B. Such programs can be loaded into RAM 14- A and 14-B from mass storage drive 16- A and 16-B.
  • Such programs can also create, manipulate and store data into mass storage drive 16-A and 16-B, as well as cause data to be presented in a window 18-A and 18-B on user interface 20-A and 20-B and receive user selections from user interface 20-A and 20-B.
  • at least the receiving side computer is loaded with a Java- enabled browser.
  • a host can act as a sending side host in one transaction and as a receiving side host in another transaction within the principles of the invention.
  • sending side host 2 and receiving side host 4 are capable of sending and receiving files via a network 6, preferably as attachments to e-mail messages.
  • a network 6 preferably as attachments to e-mail messages.
  • data files can include HTML data file 30, created in accordance with the principles of the invention as described in more detail below.
  • Network 6 can be any data communication network, public or private.
  • Receiving side host 4 is preferably loaded with browser programs that support Java-based applets and plug-ins written in Java and/or native programming languages.
  • receiving side host 4 is capable of sending and receiving files from a server 8.
  • files on server 8 are accessible on the World Wide Web via conventional browsers and download tools.
  • the first process is implemented as a program loaded into executable RAM 14-
  • processing begins by creating the data that is to be sent to the receiving side host 4 (step S20).
  • the data to be embedded can be, for example, an executable file, such as a Java applet, an image file such as a GIF file, an Envelope Data File such as that described in co-pending U.S. Application No.
  • the created data can then be encrypted, if required by the user (step S30).
  • Such encryption can be performed using encryption technology such as RC4, a trademark of RSA Data Security, Inc. of Redwood City, CA.
  • step S40 the data is encoded using the MIME Base64 format. Whether an HTML file has already been created is determined in step S50. If not, the HTML file is created (step S60).
  • a plug-in application will be described in more detail below.
  • an HTML script that determines whether a correct version of the plug-in application exists locally within the receiving computer, and if not, downloads the correct version of the plug-in application.
  • the encoded data is embedded in the comment section of the HTML file (step S70). This is done by creating a comment section and inserting the encoded data therein. This step may also include creating a header for the encoded data in the comment section, which header may include information about the encoded data and whether the encoded data is encrypted. It should be further noted that care should be taken to insure that the total size of the HTML file including the encoded data is within the limits of conventional browser applications.
  • step S80 If more data is left to be embedded (determined in step S80), for example, if the data to be embedded is a list of separate data objects, processing retums to step S85 where it is determined whether the remaining data is already created. If not, processing retums to step S20, otherwise processing retums to step S30 and loops until all the data has been embedded.
  • Figure 3 illustrates the format of a HTML file created in accordance with the first process described above. As shown, it includes a script section 50, a plug-in execution section 52, and comment sections 54-1...54-N.
  • script section 50 preferably includes HTML instructions to determine whether a correct version of the plug-in application for extracting the embedded data exists locally to the recipient computer. If not, the correct plug-in application is downloaded, for example, from a path specified in the script instructions.
  • Plug-in execution section includes HTML instructions for causing the plug-in application to be executed.
  • Comment sections 54-1...54-N are separate comment sections for each of the data objects embedded in accordance with the processing steps outlined above.
  • Such a program is preferably implemented as a plug-in application to a browser.
  • the plug-in application is executable code, for example, Java byte code and/or native code.
  • the plug-in application is loaded into the executable memory of the computer and executed.
  • the browser includes a plug-ins directory which the browser searches when the application is requested.
  • processing begins by reading the HTML page that initiated the program and saving it to a file (step SI 10).
  • the HTML file is read and the next embedded data within a comment is extracted (step S120).
  • the embedded data is then decoded out from the MIME Base64 format (step SI 30). If the data was encrypted, it is decrypted to its original state in step S140. Whether the data needs to be decrypted may be determined from a header within the embedded data, or it may indicated by a flag or variable within or external to the HTML file.
  • the data is moved to its proper directory (step SI 50), which directory may be predetermined and pre-existing or may be dynamically assigned and created at run-time.
  • step SI 60 A determination is next made whether the end of the HTML file has been reached (step SI 60), for example, whether no more comment sections containing embedded data remain. If so, the processing ends (step SI 70); otherwise processing loops back to step SI 20 and the above- described processing is repeatedly performed until the end of the HTML file is reached.
  • the third process is implemented as a program loaded into executable RAM 14-B on receiving side computer 10-B, which program contains instructions written in the Java programming language that are executable by CPU 12-B in accordance with the processing steps described below.
  • a program is preferably implemented contiguously with the program containing the second process described above, and may be part of the same executable software as the plug-in application that contains the second process.
  • processing begins by creating an HTML page that contains an instruction to launch the applet (step S210).
  • the input parameters for the applet are the file paths of the embedded data that were extracted from the HTML file using the second process described above, which file paths are preferably communicated to the third process by the second process.
  • the third process asks the browser to load the HTML page created in step S210 (step S220) by, for example, a call to a plug-in Application Programming Interface (API) of the browser or a Java API, and processing ends (step S230).
  • API Application Programming Interface
  • the executable software containing the applet may be downloaded at the same time as the program containing the second and third process, or it may already be located in the mass storage 16-B of the receiving side computer 10-B, and loaded into memory upon a launching instruction.
  • the applet may be contained in one of the extracted data files included in the HTML file that was stored in a directory on the receiving side computer 10-B during the second process.
  • Figure 6 illustrates the format of a HTML file created in accordance with the third process described above. As shown, it includes an applet description section 60 and applet parameter sections 62-1...62-N. Of note within the applet description section 60 is the path to the archive of Java classes xxx.jar, as well as the identifier of the applet yyy.class within the container of classes.
  • the sending side host 2 desires to send data to receiving side host 4, the data is encoded and embedded in an HTML data file 30 in a program executing instructions on the sending side host computer 10- A in accordance with the first process described above.
  • the sending side host 2 then sends an e- mail message to receiving side host 4, with HTML data file 30 as an attachment.
  • the e-mail message is received and read by an e-mail program executing on receiving side host computer 10-B, and a browser is launched to view HTML data file 30 attached to the e-mail.
  • a browser is launched to view HTML data file 30 attached to the e-mail.
  • a computer running a Windows 95 (trademark of Microsoft, Corp. of Redmond, Wash.) environment for example, double-clicking on a screen object representing the e-mail attachment will automatically launch a browser application in accordance with the HTML file extension.
  • the browser causes the second process, launched as a plug-in application under the browser and executing on receiving side host computer 10-B, to extract the data and store it on mass storage drive 16-B as described above.
  • the third process is then invoked to launch an applet that uses the data, which applet can include presenting the data on user interface 20-B.
  • a container file or Envelope Data File
  • the component objects may include data and one or more defined "User Actions" which, for example, cause the presentation of the data in a desired manner.
  • the Envelope Data File is included as an e-mail attachment file and sent to an intended recipient, where the envelope contents can be selectively presented and manipulated.
  • the co-pending application also describes creation executable software for creating the Envelope Data File, on a sending side computer for example, and recipient executable software for presenting the data in the desired manner, on a receiving side computer for example.
  • the recipient executable software can be included in the e-mail attachment sent to the recipient, thereby transporting the capability of presenting the data to the recipient in unique ways.
  • the creation executable software for example executing on a sending side computer such as 10- A, includes a first process such as that described in the invention. Accordingly, the creation executable software, while creating the Envelope Data File, encodes it and embeds it into an HTML data file such as HTML data file 30.
  • the recipient executable software comprised of a number of recipient executable files determined by the different number of images, sounds, and functional attributes inserted into the envelope container, for example, can also be encoded and embedded within the HTML data file by a first process such as that described in the present invention.
  • an example of an HTML data file created by a first process such as that described above and in conjunction with the co-pending application includes an HTML script section 70, a plug-in execution section 80, a first embedded data section 90, and a second embedded data section 92.
  • HTML script section 70 is an implementation specific for a Netscape (trademark of
  • Netscape, Inc. of Mountain View, Ca. browser environment. It includes a download section 72, in which a correct version of the extraction process plug-in is downloaded from an Intemet site designated by field 76. Field 74 identifies the path to the extraction process plug-in.
  • Intemet Explorer a trademark of Microsoft Corp. of Redmond, Wash.
  • Plug-in execution section 80 includes an HTML instruction to run the plug-in application, as identified in field 82.
  • the path of the plug-in application indicated in field 82 is the same as that indicated in field 74.
  • the correct version of the plug-in application should exist in the location indicated in field 82.
  • First embedded data section 90 includes a header 94 and a footer 96 acting as delimiters and identifiers of the encoded data within first embedded data section 90.
  • the first embedded data section 90 includes an Envelope Data File as described in the co-pending application.
  • Second embedded data section 92 includes a header 98 and a footer 100 acting as delimiters and identifiers of the encoded data within second embedded data section 92.
  • the second data section 92 includes data relating to a "Vixel" as described in the co- pending application.
  • An HTML file for launching an applet in accordance with the illustrated example of the invention is shown in Figure 8.
  • the first process executes as part of the creation executable software as described in the co-pending application.
  • the second and third processes for example executing on the receiving side computer 10-B, provide a means for managing the transfer of envelope container data and executables for uniquely presenting data in accordance with the principles described in the co-pending application.
  • the applet as described in the present invention, corresponds to the recipient executable software as described in the co-pending application, which applet can include instructions for presenting different images, sounds and functional attributes in accordance with the different types of objects included in the envelope data.
  • the HTML file illustrated in Figure 8 created by a third process as described in the present invention, includes an applet description section 64 and applet parameter sections 66-1...66-N.
  • applet description section 64 is the path to the archive of Java executables EvelopeApplet.jar, as well as the identifier of the applet EnvelopeApplet.class within the container of executables.
  • applet parameter sections 66-1...66-N is the path to the Envelope Data File included in the "envelopeName" parameter.

Abstract

Procédé et appareil permettant de répartir des données dans un fichier ayant un format HTML. Un premier processus crée les données, les code dans un format connu tel que le MIME Base64 et introduit ces données dans une zone de commentaire d'un fichier HTML. Un deuxième processus, de préférence mis en oeuvre sous forme d'application enfichable de survol, est utilisé pour extraire les données du fichier HTML et stocker lesdites données dans un fichier de données séparé. Un troisième processus crée un fichier HTML qui lance une mini-application utilisant les données et contient les paramètres de mini-application, dont les voies conduisant aux fichiers de données séparés dans lesquels résident les données extraites.
PCT/US1998/027420 1997-12-29 1998-12-23 Procede et appareil capables d'introduire, d'extraire et de traiter des donnees dans un fichier ayant un format html WO1999034286A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
EP98964885A EP1049975A1 (fr) 1997-12-29 1998-12-23 Procede et appareil capables d'introduire, d'extraire et de traiter des donnees dans un fichier ayant un format html
CA002315640A CA2315640A1 (fr) 1997-12-29 1998-12-23 Procede et appareil capables d'introduire, d'extraire et de traiter des donnees dans un fichier ayant un format html
JP2000526862A JP2002500392A (ja) 1997-12-29 1998-12-23 Htmlフォーマットを有するファイル内にデータを埋め込み、抽出し、処理する方法および装置
AU20107/99A AU741232B2 (en) 1997-12-29 1998-12-23 Method and apparatus capable of embedding, extracting and processing data within a file having an HTML format

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US6889397P 1997-12-29 1997-12-29
US60/068,893 1997-12-29

Publications (1)

Publication Number Publication Date
WO1999034286A1 true WO1999034286A1 (fr) 1999-07-08

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PCT/US1998/027420 WO1999034286A1 (fr) 1997-12-29 1998-12-23 Procede et appareil capables d'introduire, d'extraire et de traiter des donnees dans un fichier ayant un format html

Country Status (5)

Country Link
EP (1) EP1049975A1 (fr)
JP (1) JP2002500392A (fr)
AU (1) AU741232B2 (fr)
CA (1) CA2315640A1 (fr)
WO (1) WO1999034286A1 (fr)

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WO2001053937A2 (fr) * 2000-01-21 2001-07-26 Sun Microsystems, Inc. Dispositif automatique et autonome par rapport au navigateur, et procede de reception, installation et lancement d'applications a partir d'un navigateur, sur un ordinateur client
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DE19942647A1 (de) * 1999-08-30 2001-03-08 Datango Gmbh Verfahren und Vorrichtung zur automatischen Wiedergabe elektronischer Datensätze
DE19942647C2 (de) * 1999-08-30 2002-10-24 Datango Ag Verfahren und Vorrichtung zur automatischen Wiedergabe elektronischer Datensätze
WO2001053937A2 (fr) * 2000-01-21 2001-07-26 Sun Microsystems, Inc. Dispositif automatique et autonome par rapport au navigateur, et procede de reception, installation et lancement d'applications a partir d'un navigateur, sur un ordinateur client
WO2001053937A3 (fr) * 2000-01-21 2002-08-29 Sun Microsystems Inc Dispositif automatique et autonome par rapport au navigateur, et procede de reception, installation et lancement d'applications a partir d'un navigateur, sur un ordinateur client
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WO2002048878A2 (fr) * 2000-12-14 2002-06-20 Curl Corporation Systeme et procedes permettant d'etablir une compatibilite entre des versions multiples d'un systeme logiciel
WO2002048878A3 (fr) * 2000-12-14 2003-11-06 Curl Corp Systeme et procedes permettant d'etablir une compatibilite entre des versions multiples d'un systeme logiciel
EP1284452A2 (fr) * 2001-08-15 2003-02-19 Square Co., Ltd. Client, méthode pour télécharger des données et support d'enregistrement
EP1284452A3 (fr) * 2001-08-15 2006-08-09 Kabushiki Kaisha Square Enix (also trading as Square Enix Co., Ltd.) Client, méthode pour télécharger des données et support d'enregistrement
US7146434B2 (en) * 2002-05-15 2006-12-05 Hewlett-Packard Development Company, L.P. Method for downloading data via the internet to a browser enabled computer
US7949592B1 (en) 2002-07-31 2011-05-24 Charles Schwab & Co., Inc. Method and system for integrating investment advice with financial account statement information
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EP1049975A1 (fr) 2000-11-08
AU741232B2 (en) 2001-11-29
AU2010799A (en) 1999-07-19
CA2315640A1 (fr) 1999-07-08

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