commit 01138252ac9ee70493ff864e3ae0be4b1d2c13c4 Author: nxshock Date: Sat Aug 14 09:59:41 2021 +0500 Initial commit diff --git a/.gitattributes b/.gitattributes new file mode 100644 index 0000000..dfe0770 --- /dev/null +++ b/.gitattributes @@ -0,0 +1,2 @@ +# Auto detect text files and perform LF normalization +* text=auto diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..f1c181e --- /dev/null +++ b/.gitignore @@ -0,0 +1,12 @@ +# Binaries for programs and plugins +*.exe +*.exe~ +*.dll +*.so +*.dylib + +# Test binary, build with `go test -c` +*.test + +# Output of the go coverage tool, specifically when used with LiteIDE +*.out diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..e62ec04 --- /dev/null +++ b/LICENSE @@ -0,0 +1,674 @@ +GNU GENERAL PUBLIC LICENSE + Version 3, 29 June 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. + 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. + + + Copyright (C) + + 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 . + +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: + + Copyright (C) + 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 +. + + 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 +. diff --git a/PKGBUILD b/PKGBUILD new file mode 100644 index 0000000..c31a44a --- /dev/null +++ b/PKGBUILD @@ -0,0 +1,34 @@ +pkgname=promodj +pkgver=0.1.1 +pkgrel=0 +pkgdesc="Proxy client for promodj.com" +arch=('x86_64' 'aarch64') +license=('GPL') +url='https://github.com/nxshock/$pkgname' +depends=('ffmpeg') +makedepends=('go' 'git') +options=("!strip") +backup=("etc/$pkgname.toml") +source=("git+https://github.com/nxshock/$pkgname.git") +sha256sums=('SKIP') + +build() { + cd "$srcdir/$pkgname" + export CGO_CPPFLAGS="${CPPFLAGS}" + export CGO_CFLAGS="${CFLAGS}" + export CGO_CXXFLAGS="${CXXFLAGS}" + export CGO_LDFLAGS="${LDFLAGS}" + go build -o $pkgname -buildmode=pie -trimpath -ldflags="-linkmode=external -s -w" +} + +package() { + cd "$srcdir/$pkgname" + install -Dm755 "$pkgname" "$pkgdir/usr/bin/$pkgname" + install -Dm644 "$pkgname.conf" "$pkgdir/etc/$pkgname.conf" + install -Dm644 "$pkgname.service" "$pkgdir/usr/lib/systemd/system/$pkgname.service" + install -Dm644 "$pkgname.sysusers" "$pkgdir/usr/lib/sysusers.d/$pkgname.conf" + + mkdir "$pkgdir/usr/lib/$pkgname" + cp -R "site" "$pkgdir/usr/lib/$pkgname" + cp -R "templates" "$pkgdir/usr/lib/$pkgname" +} diff --git a/config.go b/config.go new file mode 100644 index 0000000..5cdf154 --- /dev/null +++ b/config.go @@ -0,0 +1,42 @@ +package main + +import ( + "errors" + + "github.com/BurntSushi/toml" + "github.com/creasty/defaults" + "github.com/gookit/validate" +) + +// Config represents configuration +type Config struct { + ListenAddr string `default:":80" validate:"required` + + // Mb + BufferSize uint `default:"32" validate:"required|min:1` + + // Kb + Bitrate uint `default:"32" validate:"required|min:8|max:320"` + + Codec string `default:"libopus" validate:"required"` + Format string `default:"opus" validate:"required" ` + ContentType string `default:"audio/ogg" validate:"required" ` +} + +var config *Config + +func initConfig(filePath string) error { + if _, err := toml.DecodeFile(filePath, &config); err != nil { + return err + } + + if err := defaults.Set(config); err != nil { + return err + } + + if v := validate.Struct(config); !v.Validate() { + return errors.New(v.Errors.One()) + } + + return nil +} diff --git a/consts.go b/consts.go new file mode 100644 index 0000000..61c66e0 --- /dev/null +++ b/consts.go @@ -0,0 +1,5 @@ +package main + +const ( + defaultConfigFilePath = "/etc/promodj.conf" +) diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..59185f2 --- /dev/null +++ b/go.mod @@ -0,0 +1,15 @@ +module github.com/nxshock/promodj + +go 1.16 + +require ( + github.com/BurntSushi/toml v0.4.1 + github.com/PuerkitoBio/goquery v1.7.1 + github.com/creasty/defaults v1.5.1 + github.com/djherbis/buffer v1.2.0 // indirect + github.com/gookit/goutil v0.3.15 // indirect + github.com/gookit/validate v1.2.11 + golang.org/x/net v0.0.0-20210813160813-60bc85c4be6d // indirect + gopkg.in/djherbis/buffer.v1 v1.1.0 + gopkg.in/djherbis/nio.v2 v2.0.3 +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..c317312 --- /dev/null +++ b/go.sum @@ -0,0 +1,64 @@ +github.com/BurntSushi/toml v0.4.1 h1:GaI7EiDXDRfa8VshkTj7Fym7ha+y8/XxIgD2okUIjLw= +github.com/BurntSushi/toml v0.4.1/go.mod h1:CxXYINrC8qIiEnFrOxCa7Jy5BFHlXnUU2pbicEuybxQ= +github.com/PuerkitoBio/goquery v1.7.1 h1:oE+T06D+1T7LNrn91B4aERsRIeCLJ/oPSa6xB9FPnz4= +github.com/PuerkitoBio/goquery v1.7.1/go.mod h1:XY0pP4kfraEmmV1O7Uf6XyjoslwsneBbgeDjLYuN8xY= +github.com/andybalholm/cascadia v1.2.0 h1:vuRCkM5Ozh/BfmsaTm26kbjm0mIOM3yS5Ek/F5h18aE= +github.com/andybalholm/cascadia v1.2.0/go.mod h1:YCyR8vOZT9aZ1CHEd8ap0gMVm2aFgxBp0T0eFw1RUQY= +github.com/creasty/defaults v1.5.1 h1:j8WexcS3d/t4ZmllX4GEkl4wIB/trOr035ajcLHCISM= +github.com/creasty/defaults v1.5.1/go.mod h1:FPZ+Y0WNrbqOVw+c6av63eyHUAl6pMHZwqLPvXUZGfY= +github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/djherbis/buffer v1.2.0 h1:PH5Dd2ss0C7CRRhQCZ2u7MssF+No9ide8Ye71nPHcrQ= +github.com/djherbis/buffer v1.2.0/go.mod h1:fjnebbZjCUpPinBRD+TDwXSOeNQ7fPQWLfGQqiAiUyE= +github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg= +github.com/gookit/color v1.3.8/go.mod h1:R3ogXq2B9rTbXoSHJ1HyUVAZ3poOJHpd9nQmyGZsfvQ= +github.com/gookit/color v1.4.2/go.mod h1:fqRyamkC1W8uxl+lxCQxOT09l/vYfZ+QeiX3rKQHCoQ= +github.com/gookit/filter v1.1.2 h1:mp6zSRaRhGuoGZNUlZR4W0/1OTwKRUI5qCXEtD02BR0= +github.com/gookit/filter v1.1.2/go.mod h1:pVXLLDD+A8yH9GRztq2Cp7zwZocnuTUpbZs9Q+awAKM= +github.com/gookit/goutil v0.3.12 h1:FG7aYlftz17uq8szHlvR/Ao6k8wXkEWhiYh2lkk8Xxg= +github.com/gookit/goutil v0.3.12/go.mod h1:ITj7Lw0muhJNOX+QRa+j+HH0+RNoQVuTmZx5d5LE1vE= +github.com/gookit/goutil v0.3.15 h1:nfMiE1nlBES16zOsLzNeR/vo6a7KlV58womgG6dB+JM= +github.com/gookit/goutil v0.3.15/go.mod h1:2w7h+/CB6n2m4qzECHj6+TOmMR8q7ierD9+LyybGy3I= +github.com/gookit/validate v1.2.11 h1:zUMsezhMrW3Cy8St3cQJgCKB1ZIbKOWK8e7WMSuVIRc= +github.com/gookit/validate v1.2.11/go.mod h1:wXo0Vr+AzFUCEUCbTFXgKlPfT+V/V0wPK3zLp49jQq0= +github.com/json-iterator/go v1.1.10/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4= +github.com/json-iterator/go v1.1.11/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4= +github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU= +github.com/mattn/go-isatty v0.0.13/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU= +github.com/mitchellh/go-homedir v1.1.0 h1:lukF9ziXFxDFPkA1vsr5zpc1XuPDn/wFntq5mG+4E0Y= +github.com/mitchellh/go-homedir v1.1.0/go.mod h1:SfyaCUpYCn1Vlf4IUYiD9fPX4A5wJrkLzIz1N1q0pr0= +github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q= +github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q= +github.com/modern-go/reflect2 v0.0.0-20180701023420-4b7aa43c6742/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0= +github.com/modern-go/reflect2 v1.0.1/go.mod h1:bx2lNnkwVCuqBIxFjflWJWanXIb3RllmbCylyMrvgv0= +github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= +github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= +github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI= +github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg= +github.com/stretchr/testify v1.7.0/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg= +github.com/xo/terminfo v0.0.0-20210125001918-ca9a967f8778/go.mod h1:2MuV+tbUrU1zIOPMxZ5EncGwgmMJsa+9ucAQZXxsObs= +golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= +golang.org/x/crypto v0.0.0-20201221181555-eec23a3978ad/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I= +golang.org/x/net v0.0.0-20180218175443-cbe0f9307d01/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= +golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg= +golang.org/x/net v0.0.0-20210614182718-04defd469f4e h1:XpT3nA5TvE525Ne3hInMh6+GETgn27Zfm9dxsThnX2Q= +golang.org/x/net v0.0.0-20210614182718-04defd469f4e/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y= +golang.org/x/net v0.0.0-20210813160813-60bc85c4be6d h1:LO7XpTYMwTqxjLcGWPijK3vRXg1aWdlNOVOHRq45d7c= +golang.org/x/net v0.0.0-20210813160813-60bc85c4be6d/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y= +golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= +golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw= +golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo= +golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= +golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= +golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= +gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= +gopkg.in/djherbis/buffer.v1 v1.1.0 h1:FtLHNv0nftk4Kyl+jfsWrVUCt0GHnZcD6q0WDtBn2ME= +gopkg.in/djherbis/buffer.v1 v1.1.0/go.mod h1:YmtM9HtEOmQK8iHPVpK8EhYmVq5Kdekac3Qdbs5KJPM= +gopkg.in/djherbis/nio.v2 v2.0.3 h1:GV76XfYUQjScV0wVKruEyqN48jrng+g63ckfkDOnlHA= +gopkg.in/djherbis/nio.v2 v2.0.3/go.mod h1:APzEZFGm9Q+QzSl8yResRU/4xnWJtY3onKsxwnQdeNM= +gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= diff --git a/handlers.go b/handlers.go new file mode 100644 index 0000000..7f50d6b --- /dev/null +++ b/handlers.go @@ -0,0 +1,51 @@ +package main + +import ( + "fmt" + "net/http" +) + +func handleGenres(w http.ResponseWriter, r *http.Request) { + if r.RequestURI != "/" { + http.Error(w, "not found", http.StatusNotFound) + return + } + + data := struct { + Domain string + Genres []Genre + }{ + Domain: r.Host, + Genres: Genres} + + err := templates.Lookup("genres.html").Execute(w, data) + if err != nil { + http.Error(w, err.Error(), http.StatusInternalServerError) + } +} + +func handleGetM3u(w http.ResponseWriter, r *http.Request) { + genreCode := r.FormValue("genre") + if genreCode == "" { + http.Error(w, `"genre" field is not specified`, http.StatusBadRequest) + return + } + + tracks, err := tracksByGenre(genreCode) + if err != nil { + http.Error(w, err.Error(), http.StatusInternalServerError) + return + } + + b := tracksToM3u(r.Host, tracks) + + w.Header().Set("Content-Disposition", fmt.Sprintf(`attachment; filename="%s.m3u8"`, genreCode)) + w.Header().Set("Content-Type", "audio/x-mpegurl") + w.Header().Set("Accept-Ranges", "none") + + w.Write(b) +} + +func handleStream(w http.ResponseWriter, r *http.Request) { + stream(r.FormValue("url"), w) +} diff --git a/main.go b/main.go new file mode 100644 index 0000000..c90ab6c --- /dev/null +++ b/main.go @@ -0,0 +1,66 @@ +package main + +import ( + "embed" + "html/template" + "log" + "net/http" + "os" + "time" + + _ "embed" +) + +//go:embed templates/genres.html +var templateBytes embed.FS + +var templates *template.Template + +func init() { + log.SetFlags(0) + + if len(os.Args) == 2 { + if err := initConfig(os.Args[1]); err != nil { + log.Fatalln("config error:", err) + } + } else { + if err := initConfig(defaultConfigFilePath); err != nil { + log.Fatalln("config error:", err) + } + } + + err := initTepmplates() + if err != nil { + log.Fatalln(err) + } + + err = UpdateGenres() + if err != nil { + log.Fatalln(err) + } + + http.DefaultClient.Timeout = 5 * time.Second +} + +func initTepmplates() error { + var err error + + templates, err = template.ParseFS(templateBytes, "templates/*.html") + if err != nil { + return err + } + + return nil +} + +func main() { + http.HandleFunc("/", handleGenres) + http.HandleFunc("/genres", handleGenres) + http.HandleFunc("/getm3u", handleGetM3u) + http.HandleFunc("/stream", handleStream) + + err := http.ListenAndServe(config.ListenAddr, nil) + if err != nil { + log.Fatalln(err) + } +} diff --git a/parser.go b/parser.go new file mode 100644 index 0000000..9d230c6 --- /dev/null +++ b/parser.go @@ -0,0 +1,120 @@ +package main + +import ( + "bytes" + "fmt" + "net/url" + "strings" + + "github.com/PuerkitoBio/goquery" +) + +// Genre represents track information +type TrackInfo struct { + Title string + Url string +} + +// Genre represents genre information +type Genre struct { + Name string + Code string +} + +// Genres holds cached list of available genres +var Genres []Genre + +func UpdateGenres() error { + var err error + + Genres, err = updateGenreList() + if err != nil { + return fmt.Errorf("get genres list failed: %w", err) + } + + return nil +} + +func updateGenreList() ([]Genre, error) { + url := "https://promodj.com/music" + + doc, err := goquery.NewDocument(url) + if err != nil { + return nil, err + } + + var genres []Genre + doc.Find("div.styles_tagcloud > a").Each(func(i int, s *goquery.Selection) { + genres = append(genres, Genre{s.Text(), strings.TrimPrefix(s.AttrOr("href", ""), "/music/")}) + }) + + return genres, nil +} + +// tracksByGenre возвращает список треков по указанному жанру +func tracksByGenre(genre string) ([]TrackInfo, error) { + var result []TrackInfo + + for i := 1; i <= 50; i++ { + url := fmt.Sprintf("https://promodj.com/music/%s?download=1&page=%d", genre, i) + + doc, err := goquery.NewDocument(url) + if err != nil { + return nil, err + } + + doc.Find("div.title > a.invert").Each( + func(n int, s *goquery.Selection) { + href, exists := s.Attr("href") + if !exists { + return + } + + fields := strings.Split(href, "/") + if len(fields) != 7 { + return + } + + fileUrl := fmt.Sprintf("https://promodj.com/download/%s/%s.mp3", fields[5], fields[6]) + + result = append(result, TrackInfo{s.Text(), fileUrl}) + }) + } + + result = removeDuplicate(result) + + return result, nil +} + +// tracksToM3u возвращает байты M3U-плейлиста, сгенерированного по указанному +// списку треков +func tracksToM3u(host string, tracks []TrackInfo) []byte { + b := new(bytes.Buffer) + + b.Write([]byte{0xEF, 0xBB, 0xBF}) + fmt.Fprint(b, "#EXTM3U\n") + + for _, track := range tracks { + fmt.Fprintf(b, "#EXTINF:-1,%s\n", track.Title) + + u, _ := url.Parse(fmt.Sprintf("https://%s/stream", host)) + q := make(url.Values) + q.Add("url", track.Url) + u.RawQuery = q.Encode() + fmt.Fprintf(b, "%s\n", u.String()) + } + + return b.Bytes() +} + +func removeDuplicate(strSlice []TrackInfo) []TrackInfo { + allKeys := make(map[string]bool) + list := []TrackInfo{} + for _, item := range strSlice { + if _, value := allKeys[item.Url]; !value { + allKeys[item.Url] = true + list = append(list, item) + } + } + return list +} diff --git a/promodj.conf b/promodj.conf new file mode 100644 index 0000000..88dea59 --- /dev/null +++ b/promodj.conf @@ -0,0 +1,6 @@ +ListenAddr = ":80" # addr:port or :port +BufferSize = 128 # encoded file buffer in MiB +Bitrate = 32 # encoded file bitrate in kbit/s +Codec = "libopus" # ffmpeg codec +Format = "opus" # ffmpeg format +ContentType = "audio/ogg" # Content-Type header for served files diff --git a/promodj.service b/promodj.service new file mode 100644 index 0000000..34a6a9d --- /dev/null +++ b/promodj.service @@ -0,0 +1,43 @@ +[Unit] +Description=promodj service +After=network-online.target +Wants=network-online.target + +[Service] +Type=simple +User=promodj +ExecStart=/usr/bin/promodj +Restart=on-failure +RestartSec=10s + +SecureBits=keep-caps +CapabilityBoundingSet=CAP_NET_BIND_SERVICE +AmbientCapabilities=CAP_NET_BIND_SERVICE +DevicePolicy=closed +IPAccounting=true +LockPersonality=true +MemoryDenyWriteExecute=true +NoNewPrivileges=true +PrivateDevices=true +PrivateTmp=true +ProtectClock=true +ProtectControlGroups=true +ProtectControlGroups=true +ProtectHome=true +ProtectHostname=true +ProtectKernelLogs=true +ProtectKernelModules=true +ProtectKernelTunables=true +ProtectSystem=strict +ReadWritePaths= +RemoveIPC=true +RestrictNamespaces=true +RestrictRealtime=true +RestrictSUIDSGID=true +SystemCallArchitectures=native +SystemCallFilter=@system-service +SystemCallFilter=~@resources +UMask=0027 + +[Install] +WantedBy=multi-user.target diff --git a/promodj.sysusers b/promodj.sysusers new file mode 100644 index 0000000..25f5ea8 --- /dev/null +++ b/promodj.sysusers @@ -0,0 +1 @@ +u promodj - "promodj user" diff --git a/streamer.go b/streamer.go new file mode 100644 index 0000000..c6c77c6 --- /dev/null +++ b/streamer.go @@ -0,0 +1,59 @@ +package main + +import ( + "errors" + "fmt" + "io" + "net/http" + "os/exec" + + "gopkg.in/djherbis/buffer.v1" + "gopkg.in/djherbis/nio.v2" +) + +func stream(url string, w http.ResponseWriter) error { + if url == "" { + err := errors.New("empty url") + + http.Error(w, err.Error(), http.StatusBadRequest) + return err + } + + w.Header().Set("Content-Type", config.ContentType) + w.Header().Set("Accept-Ranges", "none") + w.WriteHeader(http.StatusOK) + + return encode(url, w) +} + +func encode(url string, w io.Writer) error { + cmd := exec.Command("ffmpeg", + "-i", url, + "-vn", + "-c:a", config.Codec, + "-b:a", fmt.Sprintf("%dk", config.Bitrate), + "-f", config.Format, + "-ac", "2", + "pipe:1") + out, err := cmd.StdoutPipe() + if err != nil { + return err + } + + err = cmd.Start() + if err != nil { + return err + } + + go func() { + cmd.Wait() + }() + + buf := buffer.New(int64(config.BufferSize) * 1024 * 1024) + _, err = nio.Copy(w, out, buf) + if err != nil { + cmd.Process.Kill() + } + + return nil +} diff --git a/templates/genres.html b/templates/genres.html new file mode 100644 index 0000000..4041bcd --- /dev/null +++ b/templates/genres.html @@ -0,0 +1 @@ +Список жанров
{{.Domain}}

Список жанров

\ No newline at end of file