1*5528cf37SSergei Chekanov GNU AFFERO GENERAL PUBLIC LICENSE 2*5528cf37SSergei Chekanov Version 3, 19 November 2007 3*5528cf37SSergei Chekanov 4*5528cf37SSergei Chekanov Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/> 5*5528cf37SSergei Chekanov Everyone is permitted to copy and distribute verbatim copies 6*5528cf37SSergei Chekanov of this license document, but changing it is not allowed. 7*5528cf37SSergei Chekanov 8*5528cf37SSergei Chekanov Preamble 9*5528cf37SSergei Chekanov 10*5528cf37SSergei Chekanov The GNU Affero General Public License is a free, copyleft license for 11*5528cf37SSergei Chekanovsoftware and other kinds of works, specifically designed to ensure 12*5528cf37SSergei Chekanovcooperation with the community in the case of network server software. 13*5528cf37SSergei Chekanov 14*5528cf37SSergei Chekanov The licenses for most software and other practical works are designed 15*5528cf37SSergei Chekanovto take away your freedom to share and change the works. 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If a license document contains 381*5528cf37SSergei Chekanova further restriction but permits relicensing or conveying under this 382*5528cf37SSergei ChekanovLicense, you may add to a covered work material governed by the terms 383*5528cf37SSergei Chekanovof that license document, provided that the further restriction does 384*5528cf37SSergei Chekanovnot survive such relicensing or conveying. 385*5528cf37SSergei Chekanov 386*5528cf37SSergei Chekanov If you add terms to a covered work in accord with this section, you 387*5528cf37SSergei Chekanovmust place, in the relevant source files, a statement of the 388*5528cf37SSergei Chekanovadditional terms that apply to those files, or a notice indicating 389*5528cf37SSergei Chekanovwhere to find the applicable terms. 390*5528cf37SSergei Chekanov 391*5528cf37SSergei Chekanov Additional terms, permissive or non-permissive, may be stated in the 392*5528cf37SSergei Chekanovform of a separately written license, or stated as exceptions; 393*5528cf37SSergei Chekanovthe above requirements apply either way. 394*5528cf37SSergei Chekanov 395*5528cf37SSergei Chekanov 8. Termination. 396*5528cf37SSergei Chekanov 397*5528cf37SSergei Chekanov You may not propagate or modify a covered work except as expressly 398*5528cf37SSergei Chekanovprovided under this License. Any attempt otherwise to propagate or 399*5528cf37SSergei Chekanovmodify it is void, and will automatically terminate your rights under 400*5528cf37SSergei Chekanovthis License (including any patent licenses granted under the third 401*5528cf37SSergei Chekanovparagraph of section 11). 402*5528cf37SSergei Chekanov 403*5528cf37SSergei Chekanov However, if you cease all violation of this License, then your 404*5528cf37SSergei Chekanovlicense from a particular copyright holder is reinstated (a) 405*5528cf37SSergei Chekanovprovisionally, unless and until the copyright holder explicitly and 406*5528cf37SSergei Chekanovfinally terminates your license, and (b) permanently, if the copyright 407*5528cf37SSergei Chekanovholder fails to notify you of the violation by some reasonable means 408*5528cf37SSergei Chekanovprior to 60 days after the cessation. 409*5528cf37SSergei Chekanov 410*5528cf37SSergei Chekanov Moreover, your license from a particular copyright holder is 411*5528cf37SSergei Chekanovreinstated permanently if the copyright holder notifies you of the 412*5528cf37SSergei Chekanovviolation by some reasonable means, this is the first time you have 413*5528cf37SSergei Chekanovreceived notice of violation of this License (for any work) from that 414*5528cf37SSergei Chekanovcopyright holder, and you cure the violation prior to 30 days after 415*5528cf37SSergei Chekanovyour receipt of the notice. 416*5528cf37SSergei Chekanov 417*5528cf37SSergei Chekanov Termination of your rights under this section does not terminate the 418*5528cf37SSergei Chekanovlicenses of parties who have received copies or rights from you under 419*5528cf37SSergei Chekanovthis License. If your rights have been terminated and not permanently 420*5528cf37SSergei Chekanovreinstated, you do not qualify to receive new licenses for the same 421*5528cf37SSergei Chekanovmaterial under section 10. 422*5528cf37SSergei Chekanov 423*5528cf37SSergei Chekanov 9. Acceptance Not Required for Having Copies. 424*5528cf37SSergei Chekanov 425*5528cf37SSergei Chekanov You are not required to accept this License in order to receive or 426*5528cf37SSergei Chekanovrun a copy of the Program. Ancillary propagation of a covered work 427*5528cf37SSergei Chekanovoccurring solely as a consequence of using peer-to-peer transmission 428*5528cf37SSergei Chekanovto receive a copy likewise does not require acceptance. However, 429*5528cf37SSergei Chekanovnothing other than this License grants you permission to propagate or 430*5528cf37SSergei Chekanovmodify any covered work. These actions infringe copyright if you do 431*5528cf37SSergei Chekanovnot accept this License. Therefore, by modifying or propagating a 432*5528cf37SSergei Chekanovcovered work, you indicate your acceptance of this License to do so. 433*5528cf37SSergei Chekanov 434*5528cf37SSergei Chekanov 10. Automatic Licensing of Downstream Recipients. 435*5528cf37SSergei Chekanov 436*5528cf37SSergei Chekanov Each time you convey a covered work, the recipient automatically 437*5528cf37SSergei Chekanovreceives a license from the original licensors, to run, modify and 438*5528cf37SSergei Chekanovpropagate that work, subject to this License. You are not responsible 439*5528cf37SSergei Chekanovfor enforcing compliance by third parties with this License. 440*5528cf37SSergei Chekanov 441*5528cf37SSergei Chekanov An "entity transaction" is a transaction transferring control of an 442*5528cf37SSergei Chekanovorganization, or substantially all assets of one, or subdividing an 443*5528cf37SSergei Chekanovorganization, or merging organizations. If propagation of a covered 444*5528cf37SSergei Chekanovwork results from an entity transaction, each party to that 445*5528cf37SSergei Chekanovtransaction who receives a copy of the work also receives whatever 446*5528cf37SSergei Chekanovlicenses to the work the party's predecessor in interest had or could 447*5528cf37SSergei Chekanovgive under the previous paragraph, plus a right to possession of the 448*5528cf37SSergei ChekanovCorresponding Source of the work from the predecessor in interest, if 449*5528cf37SSergei Chekanovthe predecessor has it or can get it with reasonable efforts. 450*5528cf37SSergei Chekanov 451*5528cf37SSergei Chekanov You may not impose any further restrictions on the exercise of the 452*5528cf37SSergei Chekanovrights granted or affirmed under this License. For example, you may 453*5528cf37SSergei Chekanovnot impose a license fee, royalty, or other charge for exercise of 454*5528cf37SSergei Chekanovrights granted under this License, and you may not initiate litigation 455*5528cf37SSergei Chekanov(including a cross-claim or counterclaim in a lawsuit) alleging that 456*5528cf37SSergei Chekanovany patent claim is infringed by making, using, selling, offering for 457*5528cf37SSergei Chekanovsale, or importing the Program or any portion of it. 458*5528cf37SSergei Chekanov 459*5528cf37SSergei Chekanov 11. Patents. 460*5528cf37SSergei Chekanov 461*5528cf37SSergei Chekanov A "contributor" is a copyright holder who authorizes use under this 462*5528cf37SSergei ChekanovLicense of the Program or a work on which the Program is based. The 463*5528cf37SSergei Chekanovwork thus licensed is called the contributor's "contributor version". 464*5528cf37SSergei Chekanov 465*5528cf37SSergei Chekanov A contributor's "essential patent claims" are all patent claims 466*5528cf37SSergei Chekanovowned or controlled by the contributor, whether already acquired or 467*5528cf37SSergei Chekanovhereafter acquired, that would be infringed by some manner, permitted 468*5528cf37SSergei Chekanovby this License, of making, using, or selling its contributor version, 469*5528cf37SSergei Chekanovbut do not include claims that would be infringed only as a 470*5528cf37SSergei Chekanovconsequence of further modification of the contributor version. For 471*5528cf37SSergei Chekanovpurposes of this definition, "control" includes the right to grant 472*5528cf37SSergei Chekanovpatent sublicenses in a manner consistent with the requirements of 473*5528cf37SSergei Chekanovthis License. 474*5528cf37SSergei Chekanov 475*5528cf37SSergei Chekanov Each contributor grants you a non-exclusive, worldwide, royalty-free 476*5528cf37SSergei Chekanovpatent license under the contributor's essential patent claims, to 477*5528cf37SSergei Chekanovmake, use, sell, offer for sale, import and otherwise run, modify and 478*5528cf37SSergei Chekanovpropagate the contents of its contributor version. 479*5528cf37SSergei Chekanov 480*5528cf37SSergei Chekanov In the following three paragraphs, a "patent license" is any express 481*5528cf37SSergei Chekanovagreement or commitment, however denominated, not to enforce a patent 482*5528cf37SSergei Chekanov(such as an express permission to practice a patent or covenant not to 483*5528cf37SSergei Chekanovsue for patent infringement). To "grant" such a patent license to a 484*5528cf37SSergei Chekanovparty means to make such an agreement or commitment not to enforce a 485*5528cf37SSergei Chekanovpatent against the party. 486*5528cf37SSergei Chekanov 487*5528cf37SSergei Chekanov If you convey a covered work, knowingly relying on a patent license, 488*5528cf37SSergei Chekanovand the Corresponding Source of the work is not available for anyone 489*5528cf37SSergei Chekanovto copy, free of charge and under the terms of this License, through a 490*5528cf37SSergei Chekanovpublicly available network server or other readily accessible means, 491*5528cf37SSergei Chekanovthen you must either (1) cause the Corresponding Source to be so 492*5528cf37SSergei Chekanovavailable, or (2) arrange to deprive yourself of the benefit of the 493*5528cf37SSergei Chekanovpatent license for this particular work, or (3) arrange, in a manner 494*5528cf37SSergei Chekanovconsistent with the requirements of this License, to extend the patent 495*5528cf37SSergei Chekanovlicense to downstream recipients. "Knowingly relying" means you have 496*5528cf37SSergei Chekanovactual knowledge that, but for the patent license, your conveying the 497*5528cf37SSergei Chekanovcovered work in a country, or your recipient's use of the covered work 498*5528cf37SSergei Chekanovin a country, would infringe one or more identifiable patents in that 499*5528cf37SSergei Chekanovcountry that you have reason to believe are valid. 500*5528cf37SSergei Chekanov 501*5528cf37SSergei Chekanov If, pursuant to or in connection with a single transaction or 502*5528cf37SSergei Chekanovarrangement, you convey, or propagate by procuring conveyance of, a 503*5528cf37SSergei Chekanovcovered work, and grant a patent license to some of the parties 504*5528cf37SSergei Chekanovreceiving the covered work authorizing them to use, propagate, modify 505*5528cf37SSergei Chekanovor convey a specific copy of the covered work, then the patent license 506*5528cf37SSergei Chekanovyou grant is automatically extended to all recipients of the covered 507*5528cf37SSergei Chekanovwork and works based on it. 508*5528cf37SSergei Chekanov 509*5528cf37SSergei Chekanov A patent license is "discriminatory" if it does not include within 510*5528cf37SSergei Chekanovthe scope of its coverage, prohibits the exercise of, or is 511*5528cf37SSergei Chekanovconditioned on the non-exercise of one or more of the rights that are 512*5528cf37SSergei Chekanovspecifically granted under this License. You may not convey a covered 513*5528cf37SSergei Chekanovwork if you are a party to an arrangement with a third party that is 514*5528cf37SSergei Chekanovin the business of distributing software, under which you make payment 515*5528cf37SSergei Chekanovto the third party based on the extent of your activity of conveying 516*5528cf37SSergei Chekanovthe work, and under which the third party grants, to any of the 517*5528cf37SSergei Chekanovparties who would receive the covered work from you, a discriminatory 518*5528cf37SSergei Chekanovpatent license (a) in connection with copies of the covered work 519*5528cf37SSergei Chekanovconveyed by you (or copies made from those copies), or (b) primarily 520*5528cf37SSergei Chekanovfor and in connection with specific products or compilations that 521*5528cf37SSergei Chekanovcontain the covered work, unless you entered into that arrangement, 522*5528cf37SSergei Chekanovor that patent license was granted, prior to 28 March 2007. 523*5528cf37SSergei Chekanov 524*5528cf37SSergei Chekanov Nothing in this License shall be construed as excluding or limiting 525*5528cf37SSergei Chekanovany implied license or other defenses to infringement that may 526*5528cf37SSergei Chekanovotherwise be available to you under applicable patent law. 527*5528cf37SSergei Chekanov 528*5528cf37SSergei Chekanov 12. No Surrender of Others' Freedom. 529*5528cf37SSergei Chekanov 530*5528cf37SSergei Chekanov If conditions are imposed on you (whether by court order, agreement or 531*5528cf37SSergei Chekanovotherwise) that contradict the conditions of this License, they do not 532*5528cf37SSergei Chekanovexcuse you from the conditions of this License. If you cannot convey a 533*5528cf37SSergei Chekanovcovered work so as to satisfy simultaneously your obligations under this 534*5528cf37SSergei ChekanovLicense and any other pertinent obligations, then as a consequence you may 535*5528cf37SSergei Chekanovnot convey it at all. For example, if you agree to terms that obligate you 536*5528cf37SSergei Chekanovto collect a royalty for further conveying from those to whom you convey 537*5528cf37SSergei Chekanovthe Program, the only way you could satisfy both those terms and this 538*5528cf37SSergei ChekanovLicense would be to refrain entirely from conveying the Program. 539*5528cf37SSergei Chekanov 540*5528cf37SSergei Chekanov 13. Remote Network Interaction; Use with the GNU General Public License. 541*5528cf37SSergei Chekanov 542*5528cf37SSergei Chekanov Notwithstanding any other provision of this License, if you modify the 543*5528cf37SSergei ChekanovProgram, your modified version must prominently offer all users 544*5528cf37SSergei Chekanovinteracting with it remotely through a computer network (if your version 545*5528cf37SSergei Chekanovsupports such interaction) an opportunity to receive the Corresponding 546*5528cf37SSergei ChekanovSource of your version by providing access to the Corresponding Source 547*5528cf37SSergei Chekanovfrom a network server at no charge, through some standard or customary 548*5528cf37SSergei Chekanovmeans of facilitating copying of software. This Corresponding Source 549*5528cf37SSergei Chekanovshall include the Corresponding Source for any work covered by version 3 550*5528cf37SSergei Chekanovof the GNU General Public License that is incorporated pursuant to the 551*5528cf37SSergei Chekanovfollowing paragraph. 552*5528cf37SSergei Chekanov 553*5528cf37SSergei Chekanov Notwithstanding any other provision of this License, you have 554*5528cf37SSergei Chekanovpermission to link or combine any covered work with a work licensed 555*5528cf37SSergei Chekanovunder version 3 of the GNU General Public License into a single 556*5528cf37SSergei Chekanovcombined work, and to convey the resulting work. The terms of this 557*5528cf37SSergei ChekanovLicense will continue to apply to the part which is the covered work, 558*5528cf37SSergei Chekanovbut the work with which it is combined will remain governed by version 559*5528cf37SSergei Chekanov3 of the GNU General Public License. 560*5528cf37SSergei Chekanov 561*5528cf37SSergei Chekanov 14. Revised Versions of this License. 562*5528cf37SSergei Chekanov 563*5528cf37SSergei Chekanov The Free Software Foundation may publish revised and/or new versions of 564*5528cf37SSergei Chekanovthe GNU Affero General Public License from time to time. Such new versions 565*5528cf37SSergei Chekanovwill be similar in spirit to the present version, but may differ in detail to 566*5528cf37SSergei Chekanovaddress new problems or concerns. 567*5528cf37SSergei Chekanov 568*5528cf37SSergei Chekanov Each version is given a distinguishing version number. If the 569*5528cf37SSergei ChekanovProgram specifies that a certain numbered version of the GNU Affero General 570*5528cf37SSergei ChekanovPublic License "or any later version" applies to it, you have the 571*5528cf37SSergei Chekanovoption of following the terms and conditions either of that numbered 572*5528cf37SSergei Chekanovversion or of any later version published by the Free Software 573*5528cf37SSergei ChekanovFoundation. If the Program does not specify a version number of the 574*5528cf37SSergei ChekanovGNU Affero General Public License, you may choose any version ever published 575*5528cf37SSergei Chekanovby the Free Software Foundation. 576*5528cf37SSergei Chekanov 577*5528cf37SSergei Chekanov If the Program specifies that a proxy can decide which future 578*5528cf37SSergei Chekanovversions of the GNU Affero General Public License can be used, that proxy's 579*5528cf37SSergei Chekanovpublic statement of acceptance of a version permanently authorizes you 580*5528cf37SSergei Chekanovto choose that version for the Program. 581*5528cf37SSergei Chekanov 582*5528cf37SSergei Chekanov Later license versions may give you additional or different 583*5528cf37SSergei Chekanovpermissions. However, no additional obligations are imposed on any 584*5528cf37SSergei Chekanovauthor or copyright holder as a result of your choosing to follow a 585*5528cf37SSergei Chekanovlater version. 586*5528cf37SSergei Chekanov 587*5528cf37SSergei Chekanov 15. Disclaimer of Warranty. 588*5528cf37SSergei Chekanov 589*5528cf37SSergei Chekanov THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY 590*5528cf37SSergei ChekanovAPPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT 591*5528cf37SSergei ChekanovHOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY 592*5528cf37SSergei ChekanovOF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, 593*5528cf37SSergei ChekanovTHE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 594*5528cf37SSergei ChekanovPURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM 595*5528cf37SSergei ChekanovIS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF 596*5528cf37SSergei ChekanovALL NECESSARY SERVICING, REPAIR OR CORRECTION. 597*5528cf37SSergei Chekanov 598*5528cf37SSergei Chekanov 16. Limitation of Liability. 599*5528cf37SSergei Chekanov 600*5528cf37SSergei Chekanov IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING 601*5528cf37SSergei ChekanovWILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS 602*5528cf37SSergei ChekanovTHE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY 603*5528cf37SSergei ChekanovGENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE 604*5528cf37SSergei ChekanovUSE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF 605*5528cf37SSergei ChekanovDATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD 606*5528cf37SSergei ChekanovPARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), 607*5528cf37SSergei ChekanovEVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF 608*5528cf37SSergei ChekanovSUCH DAMAGES. 609*5528cf37SSergei Chekanov 610*5528cf37SSergei Chekanov 17. Interpretation of Sections 15 and 16. 611*5528cf37SSergei Chekanov 612*5528cf37SSergei Chekanov If the disclaimer of warranty and limitation of liability provided 613*5528cf37SSergei Chekanovabove cannot be given local legal effect according to their terms, 614*5528cf37SSergei Chekanovreviewing courts shall apply local law that most closely approximates 615*5528cf37SSergei Chekanovan absolute waiver of all civil liability in connection with the 616*5528cf37SSergei ChekanovProgram, unless a warranty or assumption of liability accompanies a 617*5528cf37SSergei Chekanovcopy of the Program in return for a fee. 618*5528cf37SSergei Chekanov 619*5528cf37SSergei Chekanov END OF TERMS AND CONDITIONS 620*5528cf37SSergei Chekanov 621*5528cf37SSergei Chekanov How to Apply These Terms to Your New Programs 622*5528cf37SSergei Chekanov 623*5528cf37SSergei Chekanov If you develop a new program, and you want it to be of the greatest 624*5528cf37SSergei Chekanovpossible use to the public, the best way to achieve this is to make it 625*5528cf37SSergei Chekanovfree software which everyone can redistribute and change under these terms. 626*5528cf37SSergei Chekanov 627*5528cf37SSergei Chekanov To do so, attach the following notices to the program. It is safest 628*5528cf37SSergei Chekanovto attach them to the start of each source file to most effectively 629*5528cf37SSergei Chekanovstate the exclusion of warranty; and each file should have at least 630*5528cf37SSergei Chekanovthe "copyright" line and a pointer to where the full notice is found. 631*5528cf37SSergei Chekanov 632*5528cf37SSergei Chekanov zwidoku 633*5528cf37SSergei Chekanov Copyright (C) 2022 Knowledge Standards Foundation 634*5528cf37SSergei Chekanov 635*5528cf37SSergei Chekanov This program is free software: you can redistribute it and/or modify 636*5528cf37SSergei Chekanov it under the terms of the GNU Affero General Public License as published 637*5528cf37SSergei Chekanov by the Free Software Foundation, either version 3 of the License, or 638*5528cf37SSergei Chekanov (at your option) any later version. 639*5528cf37SSergei Chekanov 640*5528cf37SSergei Chekanov This program is distributed in the hope that it will be useful, 641*5528cf37SSergei Chekanov but WITHOUT ANY WARRANTY; without even the implied warranty of 642*5528cf37SSergei Chekanov MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 643*5528cf37SSergei Chekanov GNU Affero General Public License for more details. 644*5528cf37SSergei Chekanov 645*5528cf37SSergei Chekanov You should have received a copy of the GNU Affero General Public License 646*5528cf37SSergei Chekanov along with this program. If not, see <https://www.gnu.org/licenses/>. 647*5528cf37SSergei Chekanov 648*5528cf37SSergei ChekanovAlso add information on how to contact you by electronic and paper mail. 649*5528cf37SSergei Chekanov 650*5528cf37SSergei Chekanov If your software can interact with users remotely through a computer 651*5528cf37SSergei Chekanovnetwork, you should also make sure that it provides a way for users to 652*5528cf37SSergei Chekanovget its source. For example, if your program is a web application, its 653*5528cf37SSergei Chekanovinterface could display a "Source" link that leads users to an archive 654*5528cf37SSergei Chekanovof the code. There are many ways you could offer source, and different 655*5528cf37SSergei Chekanovsolutions will be better for different programs; see section 13 for the 656*5528cf37SSergei Chekanovspecific requirements. 657*5528cf37SSergei Chekanov 658*5528cf37SSergei Chekanov You should also get your employer (if you work as a programmer) or school, 659*5528cf37SSergei Chekanovif any, to sign a "copyright disclaimer" for the program, if necessary. 660*5528cf37SSergei ChekanovFor more information on this, and how to apply and follow the GNU AGPL, see 661*5528cf37SSergei Chekanov<https://www.gnu.org/licenses/>. 662