1GNU AFFERO GENERAL PUBLIC LICENSE
  2   Version 3, 19 November 2007
  3
  4Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
  5Everyone is permitted to copy and distribute verbatim copies
  6of this license document, but changing it is not allowed.
  7
  8        Preamble
  9
 10The GNU Affero General Public License is a free, copyleft license for
 11software and other kinds of works, specifically designed to ensure
 12cooperation with the community in the case of network server software.
 13
 14The licenses for most software and other practical works are designed
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 18software for all its users.
 19
 20When we speak of free software, we are referring to freedom, not
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330
3317. Additional Terms.
332
333"Additional permissions" are terms that supplement the terms of this
334License by making exceptions from one or more of its conditions.
335Additional permissions that are applicable to the entire Program shall
336be treated as though they were included in this License, to the extent
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394
3958. Termination.
396
397You may not propagate or modify a covered work except as expressly
398provided under this License.  Any attempt otherwise to propagate or
399modify it is void, and will automatically terminate your rights under
400this License (including any patent licenses granted under the third
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402
403However, if you cease all violation of this License, then your
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405provisionally, unless and until the copyright holder explicitly and
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409
410Moreover, your license from a particular copyright holder is
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421material under section 10.
422
4239. Acceptance Not Required for Having Copies.
424
425You are not required to accept this License in order to receive or
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427occurring solely as a consequence of using peer-to-peer transmission
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429nothing other than this License grants you permission to propagate or
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433
43410. Automatic Licensing of Downstream Recipients.
435
436Each time you convey a covered work, the recipient automatically
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438propagate that work, subject to this License.  You are not responsible
439for enforcing compliance by third parties with this License.
440
441An "entity transaction" is a transaction transferring control of an
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450
451You may not impose any further restrictions on the exercise of the
452rights granted or affirmed under this License.  For example, you may
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454rights granted under this License, and you may not initiate litigation
455(including a cross-claim or counterclaim in a lawsuit) alleging that
456any patent claim is infringed by making, using, selling, offering for
457sale, or importing the Program or any portion of it.
458
45911. Patents.
460
461A "contributor" is a copyright holder who authorizes use under this
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463work thus licensed is called the contributor's "contributor version".
464
465A contributor's "essential patent claims" are all patent claims
466owned or controlled by the contributor, whether already acquired or
467hereafter acquired, that would be infringed by some manner, permitted
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469but do not include claims that would be infringed only as a
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473this License.
474
475Each contributor grants you a non-exclusive, worldwide, royalty-free
476patent license under the contributor's essential patent claims, to
477make, use, sell, offer for sale, import and otherwise run, modify and
478propagate the contents of its contributor version.
479
480In the following three paragraphs, a "patent license" is any express
481agreement or commitment, however denominated, not to enforce a patent
482(such as an express permission to practice a patent or covenant not to
483sue for patent infringement).  To "grant" such a patent license to a
484party means to make such an agreement or commitment not to enforce a
485patent against the party.
486
487If you convey a covered work, knowingly relying on a patent license,
488and the Corresponding Source of the work is not available for anyone
489to copy, free of charge and under the terms of this License, through a
490publicly available network server or other readily accessible means,
491then you must either (1) cause the Corresponding Source to be so
492available, or (2) arrange to deprive yourself of the benefit of the
493patent license for this particular work, or (3) arrange, in a manner
494consistent with the requirements of this License, to extend the patent
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496actual knowledge that, but for the patent license, your conveying the
497covered work in a country, or your recipient's use of the covered work
498in a country, would infringe one or more identifiable patents in that
499country that you have reason to believe are valid.
500
501If, pursuant to or in connection with a single transaction or
502arrangement, you convey, or propagate by procuring conveyance of, a
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508
509A patent license is "discriminatory" if it does not include within
510the scope of its coverage, prohibits the exercise of, or is
511conditioned on the non-exercise of one or more of the rights that are
512specifically granted under this License.  You may not convey a covered
513work if you are a party to an arrangement with a third party that is
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515to the third party based on the extent of your activity of conveying
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517parties who would receive the covered work from you, a discriminatory
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520for and in connection with specific products or compilations that
521contain the covered work, unless you entered into that arrangement,
522or that patent license was granted, prior to 28 March 2007.
523
524Nothing in this License shall be construed as excluding or limiting
525any implied license or other defenses to infringement that may
526otherwise be available to you under applicable patent law.
527
52812. No Surrender of Others' Freedom.
529
530If conditions are imposed on you (whether by court order, agreement or
531otherwise) that contradict the conditions of this License, they do not
532excuse you from the conditions of this License.  If you cannot convey a
533covered work so as to satisfy simultaneously your obligations under this
534License and any other pertinent obligations, then as a consequence you may
535not convey it at all.  For example, if you agree to terms that obligate you
536to collect a royalty for further conveying from those to whom you convey
537the Program, the only way you could satisfy both those terms and this
538License would be to refrain entirely from conveying the Program.
539
54013. Remote Network Interaction; Use with the GNU General Public License.
541
542Notwithstanding any other provision of this License, if you modify the
543Program, your modified version must prominently offer all users
544interacting with it remotely through a computer network (if your version
545supports such interaction) an opportunity to receive the Corresponding
546Source of your version by providing access to the Corresponding Source
547from a network server at no charge, through some standard or customary
548means of facilitating copying of software.  This Corresponding Source
549shall include the Corresponding Source for any work covered by version 3
550of the GNU General Public License that is incorporated pursuant to the
551following paragraph.
552
553Notwithstanding any other provision of this License, you have
554permission to link or combine any covered work with a work licensed
555under version 3 of the GNU General Public License into a single
556combined work, and to convey the resulting work.  The terms of this
557License will continue to apply to the part which is the covered work,
558but the work with which it is combined will remain governed by version
5593 of the GNU General Public License.
560
56114. Revised Versions of this License.
562
563The Free Software Foundation may publish revised and/or new versions of
564the GNU Affero General Public License from time to time.  Such new versions
565will be similar in spirit to the present version, but may differ in detail to
566address new problems or concerns.
567
568Each version is given a distinguishing version number.  If the
569Program specifies that a certain numbered version of the GNU Affero General
570Public License "or any later version" applies to it, you have the
571option of following the terms and conditions either of that numbered
572version or of any later version published by the Free Software
573Foundation.  If the Program does not specify a version number of the
574GNU Affero General Public License, you may choose any version ever published
575by the Free Software Foundation.
576
577If the Program specifies that a proxy can decide which future
578versions of the GNU Affero General Public License can be used, that proxy's
579public statement of acceptance of a version permanently authorizes you
580to choose that version for the Program.
581
582Later license versions may give you additional or different
583permissions.  However, no additional obligations are imposed on any
584author or copyright holder as a result of your choosing to follow a
585later version.
586
58715. Disclaimer of Warranty.
588
589THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
590APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
591HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
592OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
593THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
594PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
595IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
596ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
597
59816. Limitation of Liability.
599
600IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
601WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
602THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
603GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
604USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
605DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
606PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
607EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
608SUCH DAMAGES.
609
61017. Interpretation of Sections 15 and 16.
611
612If the disclaimer of warranty and limitation of liability provided
613above cannot be given local legal effect according to their terms,
614reviewing courts shall apply local law that most closely approximates
615an absolute waiver of all civil liability in connection with the
616Program, unless a warranty or assumption of liability accompanies a
617copy of the Program in return for a fee.
618
619 END OF TERMS AND CONDITIONS
620
621How to Apply These Terms to Your New Programs
622
623If you develop a new program, and you want it to be of the greatest
624possible use to the public, the best way to achieve this is to make it
625free software which everyone can redistribute and change under these terms.
626
627To do so, attach the following notices to the program.  It is safest
628to attach them to the start of each source file to most effectively
629state the exclusion of warranty; and each file should have at least
630the "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.>
633Copyright (C) <year>  <name of author>
634
635This program is free software: you can redistribute it and/or modify
636it under the terms of the GNU Affero General Public License as published
637by the Free Software Foundation, either version 3 of the License, or
638(at your option) any later version.
639
640This program is distributed in the hope that it will be useful,
641but WITHOUT ANY WARRANTY; without even the implied warranty of
642MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
643GNU Affero General Public License for more details.
644
645You should have received a copy of the GNU Affero General Public License
646along with this program.  If not, see <https://www.gnu.org/licenses/>.
647
648Also add information on how to contact you by electronic and paper mail.
649
650If your software can interact with users remotely through a computer
651network, you should also make sure that it provides a way for users to
652get its source.  For example, if your program is a web application, its
653interface could display a "Source" link that leads users to an archive
654of the code.  There are many ways you could offer source, and different
655solutions will be better for different programs; see section 13 for the
656specific requirements.
657
658You should also get your employer (if you work as a programmer) or school,
659if any, to sign a "copyright disclaimer" for the program, if necessary.
660For more information on this, and how to apply and follow the GNU AGPL, see
661<https://www.gnu.org/licenses/>.