link-cleaner-bookmarklet.js

// Shamelessly stolen from https://linkcleaner.app
// https://github.com/corbindavenport/link-cleaner/blob/main/js/shared.js
// Thank you Corbin Davenport https://github.com/corbindavenport

// GNU GENERAL PUBLIC LICENSE
// Version 3, 29 June 2007

// Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
// Everyone is permitted to copy and distribute verbatim copies
// of this license document, but changing it is not allowed.

//      Preamble

// The GNU General Public License is a free, copyleft license for
// software and other kinds of works.

// The licenses for most software and other practical works are designed
// to take away your freedom to share and change the works.  By contrast,
// the GNU General Public License is intended to guarantee your freedom to
// share and change all versions of a program--to make sure it remains free
// software for all its users.  We, the Free Software Foundation, use the
// GNU General Public License for most of our software; it applies also to
// any other work released this way by its authors.  You can apply it to
// your programs, too.

// When we speak of free software, we are referring to freedom, not
// price.  Our General Public Licenses are designed to make sure that you
// have the freedom to distribute copies of free software (and charge for
// them if you wish), that you receive source code or can get it if you
// want it, that you can change the software or use pieces of it in new
// free programs, and that you know you can do these things.

// To protect your rights, we need to prevent others from denying you
// these rights or asking you to surrender the rights.  Therefore, you have
// certain responsibilities if you distribute copies of the software, or if
// you modify it: responsibilities to respect the freedom of others.

// For example, if you distribute copies of such a program, whether
// gratis or for a fee, you must pass on to the recipients the same
// freedoms that you received.  You must make sure that they, too, receive
// or can get the source code.  And you must show them these terms so they
// know their rights.

// Developers that use the GNU GPL protect your rights with two steps:
// (1) assert copyright on the software, and (2) offer you this License
// giving you legal permission to copy, distribute and/or modify it.

// For the developers' and authors' protection, the GPL clearly explains
// that there is no warranty for this free software.  For both users' and
// authors' sake, the GPL requires that modified versions be marked as
// changed, so that their problems will not be attributed erroneously to
// authors of previous versions.

// Some devices are designed to deny users access to install or run
// modified versions of the software inside them, although the manufacturer
// can do so.  This is fundamentally incompatible with the aim of
// protecting users' freedom to change the software.  The systematic
// pattern of such abuse occurs in the area of products for individuals to
// use, which is precisely where it is most unacceptable.  Therefore, we
// have designed this version of the GPL to prohibit the practice for those
// products.  If such problems arise substantially in other domains, we
// stand ready to extend this provision to those domains in future versions
// of the GPL, as needed to protect the freedom of users.

// Finally, every program is threatened constantly by software patents.
// States should not allow patents to restrict development and use of
// software on general-purpose computers, but in those that do, we wish to
// avoid the special danger that patents applied to a free program could
// make it effectively proprietary.  To prevent this, the GPL assures that
// patents cannot be used to render the program non-free.

// The precise terms and conditions for copying, distribution and
// modification follow.

// TERMS AND CONDITIONS

// 0. Definitions.

// "This License" refers to version 3 of the GNU General Public License.

// "Copyright" also means copyright-like laws that apply to other kinds of
// works, such as semiconductor masks.

// "The Program" refers to any copyrightable work licensed under this
// License.  Each licensee is addressed as "you".  "Licensees" and
// "recipients" may be individuals or organizations.

// To "modify" a work means to copy from or adapt all or part of the work
// in a fashion requiring copyright permission, other than the making of an
// exact copy.  The resulting work is called a "modified version" of the
// earlier work or a work "based on" the earlier work.

// A "covered work" means either the unmodified Program or a work based
// on the Program.

// To "propagate" a work means to do anything with it that, without
// permission, would make you directly or secondarily liable for
// infringement under applicable copyright law, except executing it on a
// computer or modifying a private copy.  Propagation includes copying,
// distribution (with or without modification), making available to the
// public, and in some countries other activities as well.

// To "convey" a work means any kind of propagation that enables other
// parties to make or receive copies.  Mere interaction with a user through
// a computer network, with no transfer of a copy, is not conveying.

// An interactive user interface displays "Appropriate Legal Notices"
// to the extent that it includes a convenient and prominently visible
// feature that (1) displays an appropriate copyright notice, and (2)
// tells the user that there is no warranty for the work (except to the
// extent that warranties are provided), that licensees may convey the
// work under this License, and how to view a copy of this License.  If
// the interface presents a list of user commands or options, such as a
// menu, a prominent item in the list meets this criterion.

// 1. Source Code.

// The "source code" for a work means the preferred form of the work
// for making modifications to it.  "Object code" means any non-source
// form of a work.

// A "Standard Interface" means an interface that either is an official
// standard defined by a recognized standards body, or, in the case of
// interfaces specified for a particular programming language, one that
// is widely used among developers working in that language.

// The "System Libraries" of an executable work include anything, other
// than the work as a whole, that (a) is included in the normal form of
// packaging a Major Component, but which is not part of that Major
// Component, and (b) serves only to enable use of the work with that
// Major Component, or to implement a Standard Interface for which an
// implementation is available to the public in source code form.  A
// "Major Component", in this context, means a major essential component
// (kernel, window system, and so on) of the specific operating system
// (if any) on which the executable work runs, or a compiler used to
// produce the work, or an object code interpreter used to run it.

// The "Corresponding Source" for a work in object code form means all
// the source code needed to generate, install, and (for an executable
// work) run the object code and to modify the work, including scripts to
// control those activities.  However, it does not include the work's
// System Libraries, or general-purpose tools or generally available free
// programs which are used unmodified in performing those activities but
// which are not part of the work.  For example, Corresponding Source
// includes interface definition files associated with source files for
// the work, and the source code for shared libraries and dynamically
// linked subprograms that the work is specifically designed to require,
// such as by intimate data communication or control flow between those
// subprograms and other parts of the work.

// The Corresponding Source need not include anything that users
// can regenerate automatically from other parts of the Corresponding
// Source.

// The Corresponding Source for a work in source code form is that
// same work.

// 2. Basic Permissions.

// All rights granted under this License are granted for the term of
// copyright on the Program, and are irrevocable provided the stated
// conditions are met.  This License explicitly affirms your unlimited
// permission to run the unmodified Program.  The output from running a
// covered work is covered by this License only if the output, given its
// content, constitutes a covered work.  This License acknowledges your
// rights of fair use or other equivalent, as provided by copyright law.

// You may make, run and propagate covered works that you do not
// convey, without conditions so long as your license otherwise remains
// in force.  You may convey covered works to others for the sole purpose
// of having them make modifications exclusively for you, or provide you
// with facilities for running those works, provided that you comply with
// the terms of this License in conveying all material for which you do
// not control copyright.  Those thus making or running the covered works
// for you must do so exclusively on your behalf, under your direction
// and control, on terms that prohibit them from making any copies of
// your copyrighted material outside their relationship with you.

// Conveying under any other circumstances is permitted solely under
// the conditions stated below.  Sublicensing is not allowed; section 10
// makes it unnecessary.

// 3. Protecting Users' Legal Rights From Anti-Circumvention Law.

// No covered work shall be deemed part of an effective technological
// measure under any applicable law fulfilling obligations under article
// 11 of the WIPO copyright treaty adopted on 20 December 1996, or
// similar laws prohibiting or restricting circumvention of such
// measures.

// When you convey a covered work, you waive any legal power to forbid
// circumvention of technological measures to the extent such circumvention
// is effected by exercising rights under this License with respect to
// the covered work, and you disclaim any intention to limit operation or
// modification of the work as a means of enforcing, against the work's
// users, your or third parties' legal rights to forbid circumvention of
// technological measures.

// 4. Conveying Verbatim Copies.

// You may convey verbatim copies of the Program's source code as you
// receive it, in any medium, provided that you conspicuously and
// appropriately publish on each copy an appropriate copyright notice;
// keep intact all notices stating that this License and any
// non-permissive terms added in accord with section 7 apply to the code;
// keep intact all notices of the absence of any warranty; and give all
// recipients a copy of this License along with the Program.

// You may charge any price or no price for each copy that you convey,
// and you may offer support or warranty protection for a fee.

// 5. Conveying Modified Source Versions.

// You may convey a work based on the Program, or the modifications to
// produce it from the Program, in the form of source code under the
// terms of section 4, provided that you also meet all of these conditions:

// a) The work must carry prominent notices stating that you modified
// it, and giving a relevant date.

// b) The work must carry prominent notices stating that it is
// released under this License and any conditions added under section
// 7.  This requirement modifies the requirement in section 4 to
// "keep intact all notices".

// c) You must license the entire work, as a whole, under this
// License to anyone who comes into possession of a copy.  This
// License will therefore apply, along with any applicable section 7
// additional terms, to the whole of the work, and all its parts,
// regardless of how they are packaged.  This License gives no
// permission to license the work in any other way, but it does not
// invalidate such permission if you have separately received it.

// d) If the work has interactive user interfaces, each must display
// Appropriate Legal Notices; however, if the Program has interactive
// interfaces that do not display Appropriate Legal Notices, your
// work need not make them do so.

// A compilation of a covered work with other separate and independent
// works, which are not by their nature extensions of the covered work,
// and which are not combined with it such as to form a larger program,
// in or on a volume of a storage or distribution medium, is called an
// "aggregate" if the compilation and its resulting copyright are not
// used to limit the access or legal rights of the compilation's users
// beyond what the individual works permit.  Inclusion of a covered work
// in an aggregate does not cause this License to apply to the other
// parts of the aggregate.

// 6. Conveying Non-Source Forms.

// You may convey a covered work in object code form under the terms
// of sections 4 and 5, provided that you also convey the
// machine-readable Corresponding Source under the terms of this License,
// in one of these ways:

// a) Convey the object code in, or embodied in, a physical product
// (including a physical distribution medium), accompanied by the
// Corresponding Source fixed on a durable physical medium
// customarily used for software interchange.

// b) Convey the object code in, or embodied in, a physical product
// (including a physical distribution medium), accompanied by a
// written offer, valid for at least three years and valid for as
// long as you offer spare parts or customer support for that product
// model, to give anyone who possesses the object code either (1) a
// copy of the Corresponding Source for all the software in the
// product that is covered by this License, on a durable physical
// medium customarily used for software interchange, for a price no
// more than your reasonable cost of physically performing this
// conveying of source, or (2) access to copy the
// Corresponding Source from a network server at no charge.

// c) Convey individual copies of the object code with a copy of the
// written offer to provide the Corresponding Source.  This
// alternative is allowed only occasionally and noncommercially, and
// only if you received the object code with such an offer, in accord
// with subsection 6b.

// d) Convey the object code by offering access from a designated
// place (gratis or for a charge), and offer equivalent access to the
// Corresponding Source in the same way through the same place at no
// further charge.  You need not require recipients to copy the
// Corresponding Source along with the object code.  If the place to
// copy the object code is a network server, the Corresponding Source
// may be on a different server (operated by you or a third party)
// that supports equivalent copying facilities, provided you maintain
// clear directions next to the object code saying where to find the
// Corresponding Source.  Regardless of what server hosts the
// Corresponding Source, you remain obligated to ensure that it is
// available for as long as needed to satisfy these requirements.

// e) Convey the object code using peer-to-peer transmission, provided
// you inform other peers where the object code and Corresponding
// Source of the work are being offered to the general public at no
// charge under subsection 6d.

// A separable portion of the object code, whose source code is excluded
// from the Corresponding Source as a System Library, need not be
// included in conveying the object code work.

// A "User Product" is either (1) a "consumer product", which means any
// tangible personal property which is normally used for personal, family,
// or household purposes, or (2) anything designed or sold for incorporation
// into a dwelling.  In determining whether a product is a consumer product,
// doubtful cases shall be resolved in favor of coverage.  For a particular
// product received by a particular user, "normally used" refers to a
// typical or common use of that class of product, regardless of the status
// of the particular user or of the way in which the particular user
// actually uses, or expects or is expected to use, the product.  A product
// is a consumer product regardless of whether the product has substantial
// commercial, industrial or non-consumer uses, unless such uses represent
// the only significant mode of use of the product.

// "Installation Information" for a User Product means any methods,
// procedures, authorization keys, or other information required to install
// and execute modified versions of a covered work in that User Product from
// a modified version of its Corresponding Source.  The information must
// suffice to ensure that the continued functioning of the modified object
// code is in no case prevented or interfered with solely because
// modification has been made.

// If you convey an object code work under this section in, or with, or
// specifically for use in, a User Product, and the conveying occurs as
// part of a transaction in which the right of possession and use of the
// User Product is transferred to the recipient in perpetuity or for a
// fixed term (regardless of how the transaction is characterized), the
// Corresponding Source conveyed under this section must be accompanied
// by the Installation Information.  But this requirement does not apply
// if neither you nor any third party retains the ability to install
// modified object code on the User Product (for example, the work has
// been installed in ROM).

// The requirement to provide Installation Information does not include a
// requirement to continue to provide support service, warranty, or updates
// for a work that has been modified or installed by the recipient, or for
// the User Product in which it has been modified or installed.  Access to a
// network may be denied when the modification itself materially and
// adversely affects the operation of the network or violates the rules and
// protocols for communication across the network.

// Corresponding Source conveyed, and Installation Information provided,
// in accord with this section must be in a format that is publicly
// documented (and with an implementation available to the public in
// source code form), and must require no special password or key for
// unpacking, reading or copying.

// 7. Additional Terms.

// "Additional permissions" are terms that supplement the terms of this
// License by making exceptions from one or more of its conditions.
// Additional permissions that are applicable to the entire Program shall
// be treated as though they were included in this License, to the extent
// that they are valid under applicable law.  If additional permissions
// apply only to part of the Program, that part may be used separately
// under those permissions, but the entire Program remains governed by
// this License without regard to the additional permissions.

// When you convey a copy of a covered work, you may at your option
// remove any additional permissions from that copy, or from any part of
// it.  (Additional permissions may be written to require their own
// removal in certain cases when you modify the work.)  You may place
// additional permissions on material, added by you to a covered work,
// for which you have or can give appropriate copyright permission.

// Notwithstanding any other provision of this License, for material you
// add to a covered work, you may (if authorized by the copyright holders of
// that material) supplement the terms of this License with terms:

// a) Disclaiming warranty or limiting liability differently from the
// terms of sections 15 and 16 of this License; or

// b) Requiring preservation of specified reasonable legal notices or
// author attributions in that material or in the Appropriate Legal
// Notices displayed by works containing it; or

// c) Prohibiting misrepresentation of the origin of that material, or
// requiring that modified versions of such material be marked in
// reasonable ways as different from the original version; or

// d) Limiting the use for publicity purposes of names of licensors or
// authors of the material; or

// e) Declining to grant rights under trademark law for use of some
// trade names, trademarks, or service marks; or

// f) Requiring indemnification of licensors and authors of that
// material by anyone who conveys the material (or modified versions of
// it) with contractual assumptions of liability to the recipient, for
// any liability that these contractual assumptions directly impose on
// those licensors and authors.

// All other non-permissive additional terms are considered "further
// restrictions" within the meaning of section 10.  If the Program as you
// received it, or any part of it, contains a notice stating that it is
// governed by this License along with a term that is a further
// restriction, you may remove that term.  If a license document contains
// a further restriction but permits relicensing or conveying under this
// License, you may add to a covered work material governed by the terms
// of that license document, provided that the further restriction does
// not survive such relicensing or conveying.

// If you add terms to a covered work in accord with this section, you
// must place, in the relevant source files, a statement of the
// additional terms that apply to those files, or a notice indicating
// where to find the applicable terms.

// Additional terms, permissive or non-permissive, may be stated in the
// form of a separately written license, or stated as exceptions;
// the above requirements apply either way.

// 8. Termination.

// You may not propagate or modify a covered work except as expressly
// provided under this License.  Any attempt otherwise to propagate or
// modify it is void, and will automatically terminate your rights under
// this License (including any patent licenses granted under the third
// paragraph of section 11).

// However, if you cease all violation of this License, then your
// license from a particular copyright holder is reinstated (a)
// provisionally, unless and until the copyright holder explicitly and
// finally terminates your license, and (b) permanently, if the copyright
// holder fails to notify you of the violation by some reasonable means
// prior to 60 days after the cessation.

// Moreover, your license from a particular copyright holder is
// reinstated permanently if the copyright holder notifies you of the
// violation by some reasonable means, this is the first time you have
// received notice of violation of this License (for any work) from that
// copyright holder, and you cure the violation prior to 30 days after
// your receipt of the notice.

// Termination of your rights under this section does not terminate the
// licenses of parties who have received copies or rights from you under
// this License.  If your rights have been terminated and not permanently
// reinstated, you do not qualify to receive new licenses for the same
// material under section 10.

// 9. Acceptance Not Required for Having Copies.

// You are not required to accept this License in order to receive or
// run a copy of the Program.  Ancillary propagation of a covered work
// occurring solely as a consequence of using peer-to-peer transmission
// to receive a copy likewise does not require acceptance.  However,
// nothing other than this License grants you permission to propagate or
// modify any covered work.  These actions infringe copyright if you do
// not accept this License.  Therefore, by modifying or propagating a
// covered work, you indicate your acceptance of this License to do so.

// 10. Automatic Licensing of Downstream Recipients.

// Each time you convey a covered work, the recipient automatically
// receives a license from the original licensors, to run, modify and
// propagate that work, subject to this License.  You are not responsible
// for enforcing compliance by third parties with this License.

// An "entity transaction" is a transaction transferring control of an
// organization, or substantially all assets of one, or subdividing an
// organization, or merging organizations.  If propagation of a covered
// work results from an entity transaction, each party to that
// transaction who receives a copy of the work also receives whatever
// licenses to the work the party's predecessor in interest had or could
// give under the previous paragraph, plus a right to possession of the
// Corresponding Source of the work from the predecessor in interest, if
// the predecessor has it or can get it with reasonable efforts.

// You may not impose any further restrictions on the exercise of the
// rights granted or affirmed under this License.  For example, you may
// not impose a license fee, royalty, or other charge for exercise of
// rights granted under this License, and you may not initiate litigation
// (including a cross-claim or counterclaim in a lawsuit) alleging that
// any patent claim is infringed by making, using, selling, offering for
// sale, or importing the Program or any portion of it.

// 11. Patents.

// A "contributor" is a copyright holder who authorizes use under this
// License of the Program or a work on which the Program is based.  The
// work thus licensed is called the contributor's "contributor version".

// A contributor's "essential patent claims" are all patent claims
// owned or controlled by the contributor, whether already acquired or
// hereafter acquired, that would be infringed by some manner, permitted
// by this License, of making, using, or selling its contributor version,
// but do not include claims that would be infringed only as a
// consequence of further modification of the contributor version.  For
// purposes of this definition, "control" includes the right to grant
// patent sublicenses in a manner consistent with the requirements of
// this License.

// Each contributor grants you a non-exclusive, worldwide, royalty-free
// patent license under the contributor's essential patent claims, to
// make, use, sell, offer for sale, import and otherwise run, modify and
// propagate the contents of its contributor version.

// In the following three paragraphs, a "patent license" is any express
// agreement or commitment, however denominated, not to enforce a patent
// (such as an express permission to practice a patent or covenant not to
// sue for patent infringement).  To "grant" such a patent license to a
// party means to make such an agreement or commitment not to enforce a
// patent against the party.

// If you convey a covered work, knowingly relying on a patent license,
// and the Corresponding Source of the work is not available for anyone
// to copy, free of charge and under the terms of this License, through a
// publicly available network server or other readily accessible means,
// then you must either (1) cause the Corresponding Source to be so
// available, or (2) arrange to deprive yourself of the benefit of the
// patent license for this particular work, or (3) arrange, in a manner
// consistent with the requirements of this License, to extend the patent
// license to downstream recipients.  "Knowingly relying" means you have
// actual knowledge that, but for the patent license, your conveying the
// covered work in a country, or your recipient's use of the covered work
// in a country, would infringe one or more identifiable patents in that
// country that you have reason to believe are valid.

// If, pursuant to or in connection with a single transaction or
// arrangement, you convey, or propagate by procuring conveyance of, a
// covered work, and grant a patent license to some of the parties
// receiving the covered work authorizing them to use, propagate, modify
// or convey a specific copy of the covered work, then the patent license
// you grant is automatically extended to all recipients of the covered
// work and works based on it.

// A patent license is "discriminatory" if it does not include within
// the scope of its coverage, prohibits the exercise of, or is
// conditioned on the non-exercise of one or more of the rights that are
// specifically granted under this License.  You may not convey a covered
// work if you are a party to an arrangement with a third party that is
// in the business of distributing software, under which you make payment
// to the third party based on the extent of your activity of conveying
// the work, and under which the third party grants, to any of the
// parties who would receive the covered work from you, a discriminatory
// patent license (a) in connection with copies of the covered work
// conveyed by you (or copies made from those copies), or (b) primarily
// for and in connection with specific products or compilations that
// contain the covered work, unless you entered into that arrangement,
// or that patent license was granted, prior to 28 March 2007.

// Nothing in this License shall be construed as excluding or limiting
// any implied license or other defenses to infringement that may
// otherwise be available to you under applicable patent law.

// 12. No Surrender of Others' Freedom.

// If conditions are imposed on you (whether by court order, agreement or
// otherwise) that contradict the conditions of this License, they do not
// excuse you from the conditions of this License.  If you cannot convey a
// covered work so as to satisfy simultaneously your obligations under this
// License and any other pertinent obligations, then as a consequence you may
// not convey it at all.  For example, if you agree to terms that obligate you
// to collect a royalty for further conveying from those to whom you convey
// the Program, the only way you could satisfy both those terms and this
// License would be to refrain entirely from conveying the Program.

// 13. Use with the GNU Affero General Public License.

// Notwithstanding any other provision of this License, you have
// permission to link or combine any covered work with a work licensed
// under version 3 of the GNU Affero General Public License into a single
// combined work, and to convey the resulting work.  The terms of this
// License will continue to apply to the part which is the covered work,
// but the special requirements of the GNU Affero General Public License,
// section 13, concerning interaction through a network will apply to the
// combination as such.

// 14. Revised Versions of this License.

// The Free Software Foundation may publish revised and/or new versions of
// the GNU General Public License from time to time.  Such new versions will
// be similar in spirit to the present version, but may differ in detail to
// address new problems or concerns.

// Each version is given a distinguishing version number.  If the
// Program specifies that a certain numbered version of the GNU General
// Public License "or any later version" applies to it, you have the
// option of following the terms and conditions either of that numbered
// version or of any later version published by the Free Software
// Foundation.  If the Program does not specify a version number of the
// GNU General Public License, you may choose any version ever published
// by the Free Software Foundation.

// If the Program specifies that a proxy can decide which future
// versions of the GNU General Public License can be used, that proxy's
// public statement of acceptance of a version permanently authorizes you
// to choose that version for the Program.

// Later license versions may give you additional or different
// permissions.  However, no additional obligations are imposed on any
// author or copyright holder as a result of your choosing to follow a
// later version.

// 15. Disclaimer of Warranty.

// THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
// APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
// HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
// OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
// IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
// ALL NECESSARY SERVICING, REPAIR OR CORRECTION.

// 16. Limitation of Liability.

// IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
// WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
// THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
// GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
// USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
// DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
// PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
// EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
// SUCH DAMAGES.

// 17. Interpretation of Sections 15 and 16.

// If the disclaimer of warranty and limitation of liability provided
// above cannot be given local legal effect according to their terms,
// reviewing courts shall apply local law that most closely approximates
// an absolute waiver of all civil liability in connection with the
// Program, unless a warranty or assumption of liability accompanies a
// copy of the Program in return for a fee.

// END OF TERMS AND CONDITIONS

// How to Apply These Terms to Your New Programs

// If you develop a new program, and you want it to be of the greatest
// possible use to the public, the best way to achieve this is to make it
// free software which everyone can redistribute and change under these terms.

// To do so, attach the following notices to the program.  It is safest
// to attach them to the start of each source file to most effectively
// state the exclusion of warranty; and each file should have at least
// the "copyright" line and a pointer to where the full notice is found.

// <one line to give the program's name and a brief idea of what it does.>
// Copyright (C) <year>  <name of author>

// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.

// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <https://www.gnu.org/licenses/>.

// Also add information on how to contact you by electronic and paper mail.

// If the program does terminal interaction, make it output a short
// notice like this when it starts in an interactive mode:

// <program>  Copyright (C) <year>  <name of author>
// This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
// This is free software, and you are welcome to redistribute it
// under certain conditions; type `show c' for details.

// The hypothetical commands `show w' and `show c' should show the appropriate
// parts of the General Public License.  Of course, your program's commands
// might be different; for a GUI interface, you would use an "about box".

// You should also get your employer (if you work as a programmer) or school,
// if any, to sign a "copyright disclaimer" for the program, if necessary.
// For more information on this, and how to apply and follow the GNU GPL, see
// <https://www.gnu.org/licenses/>.

// The GNU General Public License does not permit incorporating your program
// into proprietary programs.  If your program is a subroutine library, you
// may consider it more useful to permit linking proprietary applications with
// the library.  If this is what you want to do, use the GNU Lesser General
// Public License instead of this License.  But first, please read
// <https://www.gnu.org/licenses/why-not-lgpl.html>.

// Code that is shared across normal Link Cleaner and bulk mode

// Function for cleaning links
function cleanLink(link, youtubeShortenEnabled = false, fixTwitterEnabled = false, amazonTrackingId = localStorage['amazon-tracking-id']) {
    try {
        var oldLink = new URL(link)
    } catch (e) {
        // TypeError rasied if not identified as URL, try stripping "Page Title"
        if (e instanceof TypeError) {
            var oldLink = new URL(link.split(/"(?:[^\\"]|\\.)*"/)[1].trim())
        }
    }
    console.log('Old link:', oldLink)
    // Fixes for various link shorteners/filters
    if ((oldLink.host === 'l.facebook.com') && oldLink.searchParams.has('u')) {
        // Fix for Facebook shared links
        var facebookLink = decodeURI(oldLink.searchParams.get('u'))
        oldLink = new URL(facebookLink)
    } else if ((oldLink.host === 'href.li')) {
        // Fix for href.li links
        var hrefLink = oldLink.href.split('?')[1]
        oldLink = new URL(hrefLink)
    } else if ((oldLink.host === 'www.google.com') && (oldLink.pathname === '/url') && (oldLink.searchParams.has('url'))) {
        // Fix for redirect links from Google Search (#29)
        oldLink = new URL(oldLink.searchParams.get('url'))
    }
    // Generate new link
    var newLink = new URL(oldLink.origin + oldLink.pathname)
    // Don't remove 'q' parameter
    if (oldLink.searchParams.has('q')) {
        newLink.searchParams.append('q', oldLink.searchParams.get('q'))
    }
    // Don't remove ID parameter for Google Play links (#34)
    if (oldLink.host.includes('play.google.com') && oldLink.searchParams.has('id')) {
        newLink.searchParams.append('id', oldLink.searchParams.get('id'))
    }
    // Don't remove ID parameter for Macy's links (#21)
    if (oldLink.host.includes('macys.com') && oldLink.searchParams.has('ID')) {
        newLink.searchParams.append('ID', oldLink.searchParams.get('ID'))
    }
    // YouTube links
    if (oldLink.host.includes('youtube.com') && oldLink.searchParams.has('v')) {
        // Shorten link if setting is enabled
        if (oldLink.searchParams.has('v') && youtubeShortenEnabled) {
            // Use to find the video ID: https://regex101.com/r/0Plpyd/1
            var regex = /^.*(youtu\.be\/|embed\/|shorts\/|\?v=|\&v=)(?<videoID>[^#\&\?]*).*/;
            var videoId = regex.exec(oldLink.href)['groups']['videoID'];
            newLink = new URL('https://youtu.be/' + videoId);
        } else if (oldLink.searchParams.has('v')) {
            // If the video link won't be in the main path, the 'v' (video ID) parameter needs to be added
            newLink.searchParams.append('v', oldLink.searchParams.get('v'))
        }
        // Never remove the 't' (time position) for YouTube video links
        if (oldLink.searchParams.has('t')) {
            newLink.searchParams.append('t', oldLink.searchParams.get('t'))
        }
    } else if (oldLink.host.includes('youtube.com') && oldLink.pathname.includes('playlist') && oldLink.searchParams.has('list')) {
        // Don't remove list ID for YouTube playlist links (#37)
        newLink.searchParams.append('list', oldLink.searchParams.get('list'))
    }
    // Don't remove required variables for Facebook links
    if (oldLink.host.includes('facebook.com') && oldLink.pathname.includes('story.php')) {
        newLink.searchParams.append('story_fbid', oldLink.searchParams.get('story_fbid'))
        newLink.searchParams.append('id', oldLink.searchParams.get('id'))
    }
    // Remove extra information for Amazon shopping links
    if (oldLink.host.includes('amazon') && (oldLink.pathname.includes('/dp/') || oldLink.pathname.includes('/product/'))) {
        newLink.hostname = newLink.hostname.replace('www.', '') // Amazon doesn't need www.
        var regex = /(?:\/dp\/|\/product\/)(\w*|\d*)/g
        var amazonID = regex.exec(oldLink.pathname)[1]
        if (amazonID) {
            newLink.pathname = '/dp/' + amazonID
        }
    }
    // Use FixTwitter if enabled
    if ((oldLink.host.includes('twitter.com') || oldLink.host.includes('x.com')) && fixTwitterEnabled) {
        newLink.host = 'fxtwitter.com'
    }
    // Add Amazon affiliate code if enabled
    if (oldLink.host.includes('amazon') && amazonTrackingId) {
        newLink.searchParams.append('tag', amazonTrackingId)
    }
    // Fix Lenovo store links (#36)
    if (oldLink.host.includes('lenovo.com') && oldLink.searchParams.has('bundleId')) {
        newLink.searchParams.append('bundleId', oldLink.searchParams.get('bundleId'))
    }
    // Switch to output
    console.log('New link:', newLink)
    return newLink.toString()
}
window.location.href = cleanLink(window.location.href, true, true);