Mercurial > libervia-backend
annotate COPYING @ 2901:f6b0088ce247
code (xmpp): store version after roster item update + fix item removal:
roster version is now stored after roster item has been added or removed. This way if something interrupting the process happens, former item update will be received and roster should be updated correctly.
Roster item removal was crashing because `load()` is not used (local PersistentDict cache is then not updated, and the key to remove is missing there). The exception is now catched and ignored to avoid loading the data only to remove an item.
| author | Goffi <goffi@goffi.org> |
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| date | Wed, 10 Apr 2019 21:04:41 +0200 |
| parents | 2a072735e459 |
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| rev | line source |
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1 GNU AFFERO GENERAL PUBLIC LICENSE |
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2 Version 3, 19 November 2007 |
| 0 | 3 |
| 4 Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/> | |
| 5 Everyone is permitted to copy and distribute verbatim copies | |
| 6 of this license document, but changing it is not allowed. | |
| 7 | |
| 8 Preamble | |
| 9 | |
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10 The GNU Affero General Public License is a free, copyleft license for |
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11 software and other kinds of works, specifically designed to ensure |
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12 cooperation with the community in the case of network server software. |
| 0 | 13 |
| 14 The licenses for most software and other practical works are designed | |
| 15 to take away your freedom to share and change the works. By contrast, | |
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16 our General Public Licenses are intended to guarantee your freedom to |
| 0 | 17 share and change all versions of a program--to make sure it remains free |
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18 software for all its users. |
| 0 | 19 |
| 20 When we speak of free software, we are referring to freedom, not | |
| 21 price. Our General Public Licenses are designed to make sure that you | |
| 22 have the freedom to distribute copies of free software (and charge for | |
| 23 them if you wish), that you receive source code or can get it if you | |
| 24 want it, that you can change the software or use pieces of it in new | |
| 25 free programs, and that you know you can do these things. | |
| 26 | |
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27 Developers that use our General Public Licenses protect your rights |
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28 with two steps: (1) assert copyright on the software, and (2) offer |
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29 you this License which gives you legal permission to copy, distribute |
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30 and/or modify the software. |
| 0 | 31 |
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32 A secondary benefit of defending all users' freedom is that |
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33 improvements made in alternate versions of the program, if they |
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34 receive widespread use, become available for other developers to |
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35 incorporate. Many developers of free software are heartened and |
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36 encouraged by the resulting cooperation. However, in the case of |
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37 software used on network servers, this result may fail to come about. |
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38 The GNU General Public License permits making a modified version and |
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39 letting the public access it on a server without ever releasing its |
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40 source code to the public. |
| 0 | 41 |
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42 The GNU Affero General Public License is designed specifically to |
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43 ensure that, in such cases, the modified source code becomes available |
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44 to the community. It requires the operator of a network server to |
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45 provide the source code of the modified version running there to the |
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46 users of that server. Therefore, public use of a modified version, on |
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47 a publicly accessible server, gives the public access to the source |
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48 code of the modified version. |
| 0 | 49 |
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50 An older license, called the Affero General Public License and |
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51 published by Affero, was designed to accomplish similar goals. This is |
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52 a different license, not a version of the Affero GPL, but Affero has |
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53 released a new version of the Affero GPL which permits relicensing under |
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54 this license. |
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63 "This License" refers to version 3 of the GNU Affero General Public License. |
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| 366 | |
| 367 e) Declining to grant rights under trademark law for use of some | |
| 368 trade names, trademarks, or service marks; or | |
| 369 | |
| 370 f) Requiring indemnification of licensors and authors of that | |
| 371 material by anyone who conveys the material (or modified versions of | |
| 372 it) with contractual assumptions of liability to the recipient, for | |
| 373 any liability that these contractual assumptions directly impose on | |
| 374 those licensors and authors. | |
| 375 | |
| 376 All other non-permissive additional terms are considered "further | |
| 377 restrictions" within the meaning of section 10. If the Program as you | |
| 378 received it, or any part of it, contains a notice stating that it is | |
| 379 governed by this License along with a term that is a further | |
| 380 restriction, you may remove that term. If a license document contains | |
| 381 a further restriction but permits relicensing or conveying under this | |
| 382 License, you may add to a covered work material governed by the terms | |
| 383 of that license document, provided that the further restriction does | |
| 384 not survive such relicensing or conveying. | |
| 385 | |
| 386 If you add terms to a covered work in accord with this section, you | |
| 387 must place, in the relevant source files, a statement of the | |
| 388 additional terms that apply to those files, or a notice indicating | |
| 389 where to find the applicable terms. | |
| 390 | |
| 391 Additional terms, permissive or non-permissive, may be stated in the | |
| 392 form of a separately written license, or stated as exceptions; | |
| 393 the above requirements apply either way. | |
| 394 | |
| 395 8. Termination. | |
| 396 | |
| 397 You may not propagate or modify a covered work except as expressly | |
| 398 provided under this License. Any attempt otherwise to propagate or | |
| 399 modify it is void, and will automatically terminate your rights under | |
| 400 this License (including any patent licenses granted under the third | |
| 401 paragraph of section 11). | |
| 402 | |
| 403 However, if you cease all violation of this License, then your | |
| 404 license from a particular copyright holder is reinstated (a) | |
| 405 provisionally, unless and until the copyright holder explicitly and | |
| 406 finally terminates your license, and (b) permanently, if the copyright | |
| 407 holder fails to notify you of the violation by some reasonable means | |
| 408 prior to 60 days after the cessation. | |
| 409 | |
| 410 Moreover, your license from a particular copyright holder is | |
| 411 reinstated permanently if the copyright holder notifies you of the | |
| 412 violation by some reasonable means, this is the first time you have | |
| 413 received notice of violation of this License (for any work) from that | |
| 414 copyright holder, and you cure the violation prior to 30 days after | |
| 415 your receipt of the notice. | |
| 416 | |
| 417 Termination of your rights under this section does not terminate the | |
| 418 licenses of parties who have received copies or rights from you under | |
| 419 this License. If your rights have been terminated and not permanently | |
| 420 reinstated, you do not qualify to receive new licenses for the same | |
| 421 material under section 10. | |
| 422 | |
| 423 9. Acceptance Not Required for Having Copies. | |
| 424 | |
| 425 You are not required to accept this License in order to receive or | |
| 426 run a copy of the Program. Ancillary propagation of a covered work | |
| 427 occurring solely as a consequence of using peer-to-peer transmission | |
| 428 to receive a copy likewise does not require acceptance. However, | |
| 429 nothing other than this License grants you permission to propagate or | |
| 430 modify any covered work. These actions infringe copyright if you do | |
| 431 not accept this License. Therefore, by modifying or propagating a | |
| 432 covered work, you indicate your acceptance of this License to do so. | |
| 433 | |
| 434 10. Automatic Licensing of Downstream Recipients. | |
| 435 | |
| 436 Each time you convey a covered work, the recipient automatically | |
| 437 receives a license from the original licensors, to run, modify and | |
| 438 propagate that work, subject to this License. You are not responsible | |
| 439 for enforcing compliance by third parties with this License. | |
| 440 | |
| 441 An "entity transaction" is a transaction transferring control of an | |
| 442 organization, or substantially all assets of one, or subdividing an | |
| 443 organization, or merging organizations. If propagation of a covered | |
| 444 work results from an entity transaction, each party to that | |
| 445 transaction who receives a copy of the work also receives whatever | |
| 446 licenses to the work the party's predecessor in interest had or could | |
| 447 give under the previous paragraph, plus a right to possession of the | |
| 448 Corresponding Source of the work from the predecessor in interest, if | |
| 449 the predecessor has it or can get it with reasonable efforts. | |
| 450 | |
| 451 You may not impose any further restrictions on the exercise of the | |
| 452 rights granted or affirmed under this License. For example, you may | |
| 453 not impose a license fee, royalty, or other charge for exercise of | |
| 454 rights granted under this License, and you may not initiate litigation | |
| 455 (including a cross-claim or counterclaim in a lawsuit) alleging that | |
| 456 any patent claim is infringed by making, using, selling, offering for | |
| 457 sale, or importing the Program or any portion of it. | |
| 458 | |
| 459 11. Patents. | |
| 460 | |
| 461 A "contributor" is a copyright holder who authorizes use under this | |
| 462 License of the Program or a work on which the Program is based. The | |
| 463 work thus licensed is called the contributor's "contributor version". | |
| 464 | |
| 465 A contributor's "essential patent claims" are all patent claims | |
| 466 owned or controlled by the contributor, whether already acquired or | |
| 467 hereafter acquired, that would be infringed by some manner, permitted | |
| 468 by this License, of making, using, or selling its contributor version, | |
| 469 but do not include claims that would be infringed only as a | |
| 470 consequence of further modification of the contributor version. For | |
| 471 purposes of this definition, "control" includes the right to grant | |
| 472 patent sublicenses in a manner consistent with the requirements of | |
| 473 this License. | |
| 474 | |
| 475 Each contributor grants you a non-exclusive, worldwide, royalty-free | |
| 476 patent license under the contributor's essential patent claims, to | |
| 477 make, use, sell, offer for sale, import and otherwise run, modify and | |
| 478 propagate the contents of its contributor version. | |
| 479 | |
| 480 In the following three paragraphs, a "patent license" is any express | |
| 481 agreement or commitment, however denominated, not to enforce a patent | |
| 482 (such as an express permission to practice a patent or covenant not to | |
| 483 sue for patent infringement). To "grant" such a patent license to a | |
| 484 party means to make such an agreement or commitment not to enforce a | |
| 485 patent against the party. | |
| 486 | |
| 487 If you convey a covered work, knowingly relying on a patent license, | |
| 488 and the Corresponding Source of the work is not available for anyone | |
| 489 to copy, free of charge and under the terms of this License, through a | |
| 490 publicly available network server or other readily accessible means, | |
| 491 then you must either (1) cause the Corresponding Source to be so | |
| 492 available, or (2) arrange to deprive yourself of the benefit of the | |
| 493 patent license for this particular work, or (3) arrange, in a manner | |
| 494 consistent with the requirements of this License, to extend the patent | |
| 495 license to downstream recipients. "Knowingly relying" means you have | |
| 496 actual knowledge that, but for the patent license, your conveying the | |
| 497 covered work in a country, or your recipient's use of the covered work | |
| 498 in a country, would infringe one or more identifiable patents in that | |
| 499 country that you have reason to believe are valid. | |
| 500 | |
| 501 If, pursuant to or in connection with a single transaction or | |
| 502 arrangement, you convey, or propagate by procuring conveyance of, a | |
| 503 covered work, and grant a patent license to some of the parties | |
| 504 receiving the covered work authorizing them to use, propagate, modify | |
| 505 or convey a specific copy of the covered work, then the patent license | |
| 506 you grant is automatically extended to all recipients of the covered | |
| 507 work and works based on it. | |
| 508 | |
| 509 A patent license is "discriminatory" if it does not include within | |
| 510 the scope of its coverage, prohibits the exercise of, or is | |
| 511 conditioned on the non-exercise of one or more of the rights that are | |
| 512 specifically granted under this License. You may not convey a covered | |
| 513 work if you are a party to an arrangement with a third party that is | |
| 514 in the business of distributing software, under which you make payment | |
| 515 to the third party based on the extent of your activity of conveying | |
| 516 the work, and under which the third party grants, to any of the | |
| 517 parties who would receive the covered work from you, a discriminatory | |
| 518 patent license (a) in connection with copies of the covered work | |
| 519 conveyed by you (or copies made from those copies), or (b) primarily | |
| 520 for and in connection with specific products or compilations that | |
| 521 contain the covered work, unless you entered into that arrangement, | |
| 522 or that patent license was granted, prior to 28 March 2007. | |
| 523 | |
| 524 Nothing in this License shall be construed as excluding or limiting | |
| 525 any implied license or other defenses to infringement that may | |
| 526 otherwise be available to you under applicable patent law. | |
| 527 | |
| 528 12. No Surrender of Others' Freedom. | |
| 529 | |
| 530 If conditions are imposed on you (whether by court order, agreement or | |
| 531 otherwise) that contradict the conditions of this License, they do not | |
| 532 excuse you from the conditions of this License. If you cannot convey a | |
| 533 covered work so as to satisfy simultaneously your obligations under this | |
| 534 License and any other pertinent obligations, then as a consequence you may | |
| 535 not convey it at all. For example, if you agree to terms that obligate you | |
| 536 to collect a royalty for further conveying from those to whom you convey | |
| 537 the Program, the only way you could satisfy both those terms and this | |
| 538 License would be to refrain entirely from conveying the Program. | |
| 539 | |
|
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540 13. Remote Network Interaction; Use with the GNU General Public License. |
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541 |
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542 Notwithstanding any other provision of this License, if you modify the |
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543 Program, your modified version must prominently offer all users |
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544 interacting with it remotely through a computer network (if your version |
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545 supports such interaction) an opportunity to receive the Corresponding |
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546 Source of your version by providing access to the Corresponding Source |
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547 from a network server at no charge, through some standard or customary |
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548 means of facilitating copying of software. This Corresponding Source |
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549 shall include the Corresponding Source for any work covered by version 3 |
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550 of the GNU General Public License that is incorporated pursuant to the |
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551 following paragraph. |
| 0 | 552 |
| 553 Notwithstanding any other provision of this License, you have | |
| 554 permission to link or combine any covered work with a work licensed | |
|
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555 under version 3 of the GNU General Public License into a single |
| 0 | 556 combined work, and to convey the resulting work. The terms of this |
| 557 License will continue to apply to the part which is the covered work, | |
|
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558 but the work with which it is combined will remain governed by version |
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559 3 of the GNU General Public License. |
| 0 | 560 |
| 561 14. Revised Versions of this License. | |
| 562 | |
| 563 The Free Software Foundation may publish revised and/or new versions of | |
|
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564 the GNU Affero General Public License from time to time. Such new versions |
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565 will be similar in spirit to the present version, but may differ in detail to |
| 0 | 566 address new problems or concerns. |
| 567 | |
| 568 Each version is given a distinguishing version number. If the | |
|
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569 Program specifies that a certain numbered version of the GNU Affero General |
| 0 | 570 Public License "or any later version" applies to it, you have the |
| 571 option of following the terms and conditions either of that numbered | |
| 572 version or of any later version published by the Free Software | |
| 573 Foundation. If the Program does not specify a version number of the | |
|
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574 GNU Affero General Public License, you may choose any version ever published |
| 0 | 575 by the Free Software Foundation. |
| 576 | |
| 577 If the Program specifies that a proxy can decide which future | |
|
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578 versions of the GNU Affero General Public License can be used, that proxy's |
| 0 | 579 public statement of acceptance of a version permanently authorizes you |
| 580 to choose that version for the Program. | |
| 581 | |
| 582 Later license versions may give you additional or different | |
| 583 permissions. However, no additional obligations are imposed on any | |
| 584 author or copyright holder as a result of your choosing to follow a | |
| 585 later version. | |
| 586 | |
| 587 15. Disclaimer of Warranty. | |
| 588 | |
| 589 THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY | |
| 590 APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT | |
| 591 HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY | |
| 592 OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, | |
| 593 THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 594 PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM | |
| 595 IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF | |
| 596 ALL NECESSARY SERVICING, REPAIR OR CORRECTION. | |
| 597 | |
| 598 16. Limitation of Liability. | |
| 599 | |
| 600 IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING | |
| 601 WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS | |
| 602 THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY | |
| 603 GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE | |
| 604 USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF | |
| 605 DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD | |
| 606 PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS), | |
| 607 EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF | |
| 608 SUCH DAMAGES. | |
| 609 | |
| 610 17. Interpretation of Sections 15 and 16. | |
| 611 | |
| 612 If the disclaimer of warranty and limitation of liability provided | |
| 613 above cannot be given local legal effect according to their terms, | |
| 614 reviewing courts shall apply local law that most closely approximates | |
| 615 an absolute waiver of all civil liability in connection with the | |
| 616 Program, unless a warranty or assumption of liability accompanies a | |
| 617 copy of the Program in return for a fee. | |
| 618 | |
| 619 END OF TERMS AND CONDITIONS | |
| 620 | |
| 621 How to Apply These Terms to Your New Programs | |
| 622 | |
| 623 If you develop a new program, and you want it to be of the greatest | |
| 624 possible use to the public, the best way to achieve this is to make it | |
| 625 free software which everyone can redistribute and change under these terms. | |
| 626 | |
| 627 To do so, attach the following notices to the program. It is safest | |
| 628 to attach them to the start of each source file to most effectively | |
| 629 state the exclusion of warranty; and each file should have at least | |
| 630 the "copyright" line and a pointer to where the full notice is found. | |
| 631 | |
| 632 <one line to give the program's name and a brief idea of what it does.> | |
| 633 Copyright (C) <year> <name of author> | |
| 634 | |
| 635 This program is free software: you can redistribute it and/or modify | |
|
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636 it under the terms of the GNU Affero General Public License as published by |
| 0 | 637 the Free Software Foundation, either version 3 of the License, or |
| 638 (at your option) any later version. | |
| 639 | |
| 640 This program is distributed in the hope that it will be useful, | |
| 641 but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 642 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
|
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643 GNU Affero General Public License for more details. |
| 0 | 644 |
|
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645 You should have received a copy of the GNU Affero General Public License |
| 0 | 646 along with this program. If not, see <http://www.gnu.org/licenses/>. |
| 647 | |
| 648 Also add information on how to contact you by electronic and paper mail. | |
| 649 | |
|
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650 If your software can interact with users remotely through a computer |
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651 network, you should also make sure that it provides a way for users to |
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652 get its source. For example, if your program is a web application, its |
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653 interface could display a "Source" link that leads users to an archive |
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654 of the code. There are many ways you could offer source, and different |
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655 solutions will be better for different programs; see section 13 for the |
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656 specific requirements. |
| 0 | 657 |
| 658 You should also get your employer (if you work as a programmer) or school, | |
| 659 if any, to sign a "copyright disclaimer" for the program, if necessary. | |
|
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660 For more information on this, and how to apply and follow the GNU AGPL, see |
| 0 | 661 <http://www.gnu.org/licenses/>. |