LICENSE (34353B)
1 GNU AFFERO GENERAL PUBLIC LICENSE Version 3, 19 November 2007 2 Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/> 3 4 Everyone is permitted to copy and distribute verbatim copies of this license 5 document, but changing it is not allowed. 6 7 Preamble 8 9 The GNU Affero General Public License is a free, copyleft license for software 10 and other kinds of works, specifically designed to ensure cooperation with the 11 community in the case of network server software. 12 13 The licenses for most software and other practical works are designed to take 14 away your freedom to share and change the works. By contrast, our General 15 Public Licenses are intended to guarantee your freedom to share and change all 16 versions of a program--to make sure it remains free software for all its users. 17 18 When we speak of free software, we are referring to freedom, not price. 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The GNU General Public License permits making a modified version and 35 letting the public access it on a server without ever releasing its source code 36 to the public. 37 38 The GNU Affero General Public License is designed specifically to ensure that, 39 in such cases, the modified source code becomes available to the community. It 40 requires the operator of a network server to provide the source code of the 41 modified version running there to the users of that server. Therefore, public 42 use of a modified version, on a publicly accessible server, gives the public 43 access to the source code of the modified version. 44 45 An older license, called the Affero General Public License and published by 46 Affero, was designed to accomplish similar goals. 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For example, you may not impose a 420 license fee, royalty, or other charge for exercise of rights granted under this 421 License, and you may not initiate litigation (including a cross-claim or 422 counterclaim in a lawsuit) alleging that any patent claim is infringed by 423 making, using, selling, offering for sale, or importing the Program or any 424 portion of it. 425 426 11. Patents. 427 428 A "contributor" is a copyright holder who authorizes use under this License of 429 the Program or a work on which the Program is based. The work thus licensed is 430 called the contributor's "contributor version". 431 432 A contributor's "essential patent claims" are all patent claims owned or 433 controlled by the contributor, whether already acquired or hereafter acquired, 434 that would be infringed by some manner, permitted by this License, of making, 435 using, or selling its contributor version, but do not include claims that would 436 be infringed only as a consequence of further modification of the contributor 437 version. For purposes of this definition, "control" includes the right to 438 grant patent sublicenses in a manner consistent with the requirements of this 439 License. 440 441 Each contributor grants you a non-exclusive, worldwide, royalty-free patent 442 license under the contributor's essential patent claims, to make, use, sell, 443 offer for sale, import and otherwise run, modify and propagate the contents of 444 its contributor version. 445 446 In the following three paragraphs, a "patent license" is any express agreement 447 or commitment, however denominated, not to enforce a patent (such as an express 448 permission to practice a patent or covenant not to s ue for patent 449 infringement). 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"Knowingly relying" 460 means you have actual knowledge that, but for the patent license, your 461 conveying the covered work in a country, or your recipient's use of the 462 covered work in a country, would infringe one or more identifiable patents in 463 that country that you have reason to believe are valid. 464 465 If, pursuant to or in connection with a single transaction or arrangement, you 466 convey, or propagate by procuring conveyance of, a covered work, and grant a 467 patent license to some of the parties receiving the covered work authorizing 468 them to use, propagate, modify or convey a specific copy of the covered work, 469 then the patent license you grant is automatically extended to all recipients 470 of the covered work and works based on it. 471 472 A patent license is "discriminatory" if it does not include within the scope of 473 its coverage, prohibits the exercise of, or is conditioned on the non-exercise 474 of one or more of the rights that are specifically granted under this License. 475 You may not convey a covered work if you are a party to an arrangement with a 476 third party that is in the business of distributing software, under which you 477 make payment to the third party based on the extent of your activity of 478 conveying the work, and under which the third party grants, to any of the 479 parties who would receive the covered work from you, a discriminatory patent 480 license (a) in connection with copies of the covered work conveyed by you (or 481 copies made from those copies), or (b) primarily for and in connection with 482 specific products or compilations that contain the covered work, unless you 483 entered into that arrangement, or that patent license was granted, prior to 484 28 March 2007. 485 486 Nothing in this License shall be construed as excluding or limiting any implied 487 license or other defenses to infringement that may otherwise be available to 488 you under applicable patent law. 489 490 12. No Surrender of Others' Freedom. 491 492 If conditions are imposed on you (whether by court order, agreement or 493 otherwise) that contradict the conditions of this License, they do not excuse 494 you from the conditions of this License. If you cannot convey a covered work 495 so as to satisfy simultaneously your obligations under this License and any 496 other pertinent obligations, then as a consequence you may not convey it at 497 all. For example, if you agree to terms that obligate you to collect a royalty 498 for further conveying from those to whom you convey the Program, the only way 499 you could satisfy both those terms and this License would be to refrain 500 entirely from conveying the Program. 501 502 13. Remote Network Interaction; Use with the GNU General Public License. 503 504 Notwithstanding any other provision of this License, if you modify the Program, 505 your modified version must prominently offer all users interacting with it 506 remotely through a computer network (if your version supports such interaction) 507 an opportunity to receive the Corresponding Source of your version by providing 508 access to the Corresponding Source from a network server at no charge, through 509 some standard or customary means of facilitating copying of software. This 510 Corresponding Source shall include the Corresponding Source for any work 511 covered by version 3 of the GNU General Public License that is incorporated 512 pursuant to the following paragraph. 513 514 Notwithstanding any other provision of this License, you have permission to 515 link or combine any covered work with a work licensed under version 3 of the 516 GNU General Public License into a single combined work, and to convey the 517 resulting work. The terms of this License will continue to apply to the part 518 which is the covered work, but the work with which it is combined will remain 519 governed by version 3 of the GNU General Public License. 520 521 14. Revised Versions of this License. 522 523 The Free Software Foundation may publish revised and/or new versions of the GNU 524 Affero General Public License from time to time. Such new versions will be 525 similar in spirit to the present version, but may differ in detail to address 526 new problems or concerns. 527 528 Each version is given a distinguishing version number. If the Program 529 specifies that a certain numbered version of the GNU Affero General Public 530 License "or any later version" applies to it, you have the option of 531 following the terms and conditions either of that numbered version or of any 532 later version published by the Free Software Foundation. If the Program does 533 not specify a version number of the GNU Affero General Public License, you may 534 choose any version ever published by the Free Software Foundation. 535 536 If the Program specifies that a proxy can decide which future versions of the 537 GNU Affero General Public License can be used, that proxy's public statement 538 of acceptance of a version permanently authorizes you to choose that version 539 for the Program. 540 541 Later license versions may give you additional or different permissions. 542 However, no additional obligations are imposed on any author or copyright 543 holder as a result of your choosing to follow a later version. 544 545 15. Disclaimer of Warranty. 546 547 THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE 548 LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR 549 OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, 550 EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 551 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE 552 ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. 553 SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY 554 SERVICING, REPAIR OR CORRECTION. 555 556 16. Limitation of Liability. 557 558 IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING WILL ANY 559 COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS THE PROGRAM AS 560 PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, 561 INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE 562 THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED 563 INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE 564 PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER 565 PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. 566 567 17. Interpretation of Sections 15 and 16. 568 569 If the disclaimer of warranty and limitation of liability provided above cannot 570 be given local legal effect according to their terms, reviewing courts shall 571 apply local law that most closely approximates an absolute waiver of all civil 572 liability in connection with the Program, unless a warranty or assumption of 573 liability accompanies a copy of the Program in return for a fee. 574 575 END OF TERMS AND CONDITIONS 576 577 How to Apply These Terms to Your New Programs 578 579 If you develop a new program, and you want it to be of the greatest possible 580 use to the public, the best way to achieve this is to make it free software 581 which everyone can redistribute and change under these terms. 582 583 To do so, attach the following notices to the program. It is safest to attach 584 them to the start of each source file to most effectively state the exclusion 585 of warranty; and each file should have at least the "copyright" line and a 586 pointer to where the full notice is found. 587 588 <one line to give the program's name and a brief idea of what it does.> 589 Copyright (C) <year> <name of author> 590 591 This program is free software: you can redistribute it and/or modify it 592 under the terms of the GNU Affero General Public License as published by 593 the Free Software Foundation, either version 3 of the License, or (at 594 your option) any later version. 595 596 This program is distributed in the hope that it will be useful, but 597 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 598 or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public 599 License for more details. 600 601 You should have received a copy of the GNU Affero General Public License 602 along with this program. If not, see <http://www.gnu.org/licenses/>. 603 604 Also add information on how to contact you by electronic and paper mail. 605 606 If your software can interact with users remotely through a computer network, 607 you should also make sure that it provides a way for users to get its source. 608 For example, if your program is a web application, its interface could display 609 a "Source" link that leads users to an archive of the code. There are many 610 ways you could offer source, and different solutions will be better for 611 different programs; see section 13 for the specific requirements. 612 613 You should also get your employer (if you work as a programmer) or school, if 614 any, to sign a "copyright disclaimer" for the program, if necessary. For more 615 information on this, and how to apply and follow the GNU AGPL, see 616 <http://www.gnu.org/licenses/>.