commit 94b4e7678cbad5182e32cfa3da1b581f643bc16e Author: MassiveBox Date: Wed Sep 18 15:18:58 2024 +0200 First commit diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..e9abc7f --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +config.yml \ No newline at end of file diff --git a/.idea/.gitignore b/.idea/.gitignore new file mode 100644 index 0000000..13566b8 --- /dev/null +++ b/.idea/.gitignore @@ -0,0 +1,8 @@ +# Default ignored files +/shelf/ +/workspace.xml +# Editor-based HTTP Client requests +/httpRequests/ +# Datasource local storage ignored files +/dataSources/ +/dataSources.local.xml diff --git a/.idea/modules.xml b/.idea/modules.xml new file mode 100644 index 0000000..d71a807 --- /dev/null +++ b/.idea/modules.xml @@ -0,0 +1,8 @@ + + + + + + + + \ No newline at end of file diff --git a/.idea/publicprintbot.iml b/.idea/publicprintbot.iml new file mode 100644 index 0000000..5e764c4 --- /dev/null +++ b/.idea/publicprintbot.iml @@ -0,0 +1,9 @@ + + + + + + + + + \ No newline at end of file diff --git a/.idea/vcs.xml b/.idea/vcs.xml new file mode 100644 index 0000000..35eb1dd --- /dev/null +++ b/.idea/vcs.xml @@ -0,0 +1,6 @@ + + + + + + \ No newline at end of file diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..bae94e1 --- /dev/null +++ b/LICENSE @@ -0,0 +1,661 @@ + GNU AFFERO GENERAL PUBLIC LICENSE + Version 3, 19 November 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 Affero General Public License is a free, copyleft license for +software and other kinds of works, specifically designed to ensure +cooperation with the community in the case of network server software. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. 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Remote Network Interaction; Use with the GNU General Public License. + + Notwithstanding any other provision of this License, if you modify the +Program, your modified version must prominently offer all users +interacting with it remotely through a computer network (if your version +supports such interaction) an opportunity to receive the Corresponding +Source of your version by providing access to the Corresponding Source +from a network server at no charge, through some standard or customary +means of facilitating copying of software. This Corresponding Source +shall include the Corresponding Source for any work covered by version 3 +of the GNU General Public License that is incorporated pursuant to the +following paragraph. + + 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 General Public License into a single +combined work, and to convey the resulting work. 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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. 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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 Affero 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 Affero General Public License for more details. + + You should have received a copy of the GNU Affero General Public License + along with this program. If not, see . + +Also add information on how to contact you by electronic and paper mail. + + If your software can interact with users remotely through a computer +network, you should also make sure that it provides a way for users to +get its source. For example, if your program is a web application, its +interface could display a "Source" link that leads users to an archive +of the code. There are many ways you could offer source, and different +solutions will be better for different programs; see section 13 for the +specific requirements. + + 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 AGPL, see +. \ No newline at end of file diff --git a/README.md b/README.md new file mode 100644 index 0000000..744910c --- /dev/null +++ b/README.md @@ -0,0 +1,13 @@ +# PublicPrintBot +PublicPrintBot is a Telegram bot that allows anyone (or selected users) to print their stickers, images and documents on Cat Printer. + +It uses the [massivebox/go-catprinter](https://git.massivebox.net/massivebox/go-catprinter) library to communicate with the printer. + +It's a great trick for cons, hacker camps etc. If you're running this anywhere, please [let me know](https://massivebox.net/contact)! + +## Deploying +- Build the project with `go build .` +- `cp config.example.yml config.yml` +- Edit `config.yml` according to your needs +- Turn on your printer and run the executable. Root privileges might be needed. + diff --git a/auth.go b/auth.go new file mode 100644 index 0000000..8ddf35c --- /dev/null +++ b/auth.go @@ -0,0 +1,37 @@ +package main + +func inArray(id int64, ids []int64) bool { + for _, v := range ids { + if v == id { + return true + } + } + return false +} + +func (ctx *Context) isAuth(id int64) bool { + if ctx.Settings.Admin == id { + return true + } + if len(ctx.Settings.Blacklist) > 0 { + if inArray(id, ctx.Settings.Blacklist) { + return false + } + } + if len(ctx.PassedPasswordCheck) > 0 { + if inArray(id, ctx.PassedPasswordCheck) { + return true + } + } + if len(ctx.Settings.Whitelist) > 0 { + if inArray(id, ctx.Settings.Whitelist) { + return true + } else { + return false + } + } + if ctx.Settings.Password == "" { + return true + } + return false +} diff --git a/config.example.yml b/config.example.yml new file mode 100644 index 0000000..c163b5c --- /dev/null +++ b/config.example.yml @@ -0,0 +1,10 @@ +token: "whatever" # bot token obtained from @BotFather +maxRatio: 0.1 # if (width / height) < maxRatio then the sticker can't be printed. 0.1 means the image can be at most 1:10 +maxQueueLength: 5 +maxProjects: 5 +admin: 1458106307 # user ID of the admin, obtained for example via @GetIDsBot +mac: "41:c2:6f:0f:90:c7" # MAC address of the printer +# password: hello # Users will need to input this before being able to print +# blacklist: [12345, 67890] +# whitelist: [12345, 67890] +# dontPrint: true # Enable if you don't want images to be actually printed (useful for debugging purposes) \ No newline at end of file diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..acdc703 --- /dev/null +++ b/go.mod @@ -0,0 +1,26 @@ +module git.massivebox.net/massivebox/publicprintbot + +go 1.22.6 + +require ( + git.massivebox.net/massivebox/go-catprinter v0.0.0-20240910204530-46926935fbe2 + github.com/go-telegram-bot-api/telegram-bot-api/v5 v5.5.1 + gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c +) + +require ( + github.com/JuulLabs-OSS/cbgo v0.0.1 // indirect + github.com/disintegration/imaging v1.6.2 // indirect + github.com/go-ble/ble v0.0.0-20240122180141-8c5522f54333 // indirect + github.com/konsorten/go-windows-terminal-sequences v1.0.1 // indirect + github.com/makeworld-the-better-one/dither/v2 v2.4.0 // indirect + github.com/mattn/go-colorable v0.1.6 // indirect + github.com/mattn/go-isatty v0.0.12 // indirect + github.com/mgutz/ansi v0.0.0-20170206155736-9520e82c474b // indirect + github.com/mgutz/logxi v0.0.0-20161027140823-aebf8a7d67ab // indirect + github.com/pkg/errors v0.8.1 // indirect + github.com/raff/goble v0.0.0-20190909174656-72afc67d6a99 // indirect + github.com/sirupsen/logrus v1.5.0 // indirect + golang.org/x/image v0.0.0-20191009234506-e7c1f5e7dbb8 // indirect + golang.org/x/sys v0.0.0-20211204120058-94396e421777 // indirect +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..11ed812 --- /dev/null +++ b/go.sum @@ -0,0 +1,56 @@ +git.massivebox.net/massivebox/go-catprinter v0.0.0-20240910204530-46926935fbe2 h1:EbeytdOW6Ld3tgYjs9gegazyQiaFzhUdpj01Ay78Xwk= +git.massivebox.net/massivebox/go-catprinter v0.0.0-20240910204530-46926935fbe2/go.mod h1:fq6nR/TugqWYFg5saNiPTOe4spwHfMKGihdVA5RrYJU= +github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU= +github.com/JuulLabs-OSS/cbgo v0.0.1 h1:A5JdglvFot1J9qYR0POZ4qInttpsVPN9lqatjaPp2ro= +github.com/JuulLabs-OSS/cbgo v0.0.1/go.mod h1:L4YtGP+gnyD84w7+jN66ncspFRfOYB5aj9QSXaFHmBA= +github.com/cpuguy83/go-md2man/v2 v2.0.0-20190314233015-f79a8a8ca69d/go.mod h1:maD7wRr/U5Z6m/iR4s+kqSMx2CaBsrgA7czyZG/E6dU= +github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c= +github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/disintegration/imaging v1.6.2 h1:w1LecBlG2Lnp8B3jk5zSuNqd7b4DXhcjwek1ei82L+c= +github.com/disintegration/imaging v1.6.2/go.mod h1:44/5580QXChDfwIclfc/PCwrr44amcmDAg8hxG0Ewe4= +github.com/go-ble/ble v0.0.0-20240122180141-8c5522f54333 h1:bQK6D51cNzMSTyAf0HtM30V2IbljHTDam7jru9JNlJA= +github.com/go-ble/ble v0.0.0-20240122180141-8c5522f54333/go.mod h1:fFJl/jD/uyILGBeD5iQ8tYHrPlJafyqCJzAyTHNJ1Uk= +github.com/go-telegram-bot-api/telegram-bot-api/v5 v5.5.1 h1:wG8n/XJQ07TmjbITcGiUaOtXxdrINDz1b0J1w0SzqDc= +github.com/go-telegram-bot-api/telegram-bot-api/v5 v5.5.1/go.mod h1:A2S0CWkNylc2phvKXWBBdD3K0iGnDBGbzRpISP2zBl8= +github.com/konsorten/go-windows-terminal-sequences v1.0.1 h1:mweAR1A6xJ3oS2pRaGiHgQ4OO8tzTaLawm8vnODuwDk= +github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ= +github.com/makeworld-the-better-one/dither/v2 v2.4.0 h1:Az/dYXiTcwcRSe59Hzw4RI1rSnAZns+1msaCXetrMFE= +github.com/makeworld-the-better-one/dither/v2 v2.4.0/go.mod h1:VBtN8DXO7SNtyGmLiGA7IsFeKrBkQPze1/iAeM95arc= +github.com/mattn/go-colorable v0.1.6 h1:6Su7aK7lXmJ/U79bYtBjLNaha4Fs1Rg9plHpcH+vvnE= +github.com/mattn/go-colorable v0.1.6/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc= +github.com/mattn/go-isatty v0.0.12 h1:wuysRhFDzyxgEmMf5xjvJ2M9dZoWAXNNr5LSBS7uHXY= +github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU= +github.com/mgutz/ansi v0.0.0-20170206155736-9520e82c474b h1:j7+1HpAFS1zy5+Q4qx1fWh90gTKwiN4QCGoY9TWyyO4= +github.com/mgutz/ansi v0.0.0-20170206155736-9520e82c474b/go.mod h1:01TrycV0kFyexm33Z7vhZRXopbI8J3TDReVlkTgMUxE= +github.com/mgutz/logxi v0.0.0-20161027140823-aebf8a7d67ab h1:n8cgpHzJ5+EDyDri2s/GC7a9+qK3/YEGnBsd0uS/8PY= +github.com/mgutz/logxi v0.0.0-20161027140823-aebf8a7d67ab/go.mod h1:y1pL58r5z2VvAjeG1VLGc8zOQgSOzbKN7kMHPvFXJ+8= +github.com/pkg/errors v0.8.1 h1:iURUrRGxPUNPdy5/HRSm+Yj6okJ6UtLINN0Q9M4+h3I= +github.com/pkg/errors v0.8.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0= +github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= +github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= +github.com/raff/goble v0.0.0-20190909174656-72afc67d6a99 h1:JtoVdxWJ3tgyqtnPq3r4hJ9aULcIDDnPXBWxZsdmqWU= +github.com/raff/goble v0.0.0-20190909174656-72afc67d6a99/go.mod h1:CxaUhijgLFX0AROtH5mluSY71VqpjQBw9JXE2UKZmc4= +github.com/russross/blackfriday/v2 v2.0.1/go.mod h1:+Rmxgy9KzJVeS9/2gXHxylqXiyQDYRxCVz55jmeOWTM= +github.com/shurcooL/sanitized_anchor_name v1.0.0/go.mod h1:1NzhyTcUVG4SuEtjjoZeVRXNmyL/1OwPU0+IJeTBvfc= +github.com/sirupsen/logrus v1.5.0 h1:1N5EYkVAPEywqZRJd7cwnRtCb6xJx7NH3T3WUTF980Q= +github.com/sirupsen/logrus v1.5.0/go.mod h1:+F7Ogzej0PZc/94MaYx/nvG9jOFMD2osvC3s+Squfpo= +github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= +github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs= +github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4= +github.com/stretchr/testify v1.6.1 h1:hDPOHmpOpP40lSULcqw7IrRb/u7w6RpDC9399XyoNd0= +github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg= +github.com/urfave/cli v1.22.2/go.mod h1:Gos4lmkARVdJ6EkW0WaNv/tZAAMe9V7XWyB60NtXRu0= +golang.org/x/image v0.0.0-20191009234506-e7c1f5e7dbb8 h1:hVwzHzIUGRjiF7EcUjqNxk3NCfkPxbDKRdnNE1Rpg0U= +golang.org/x/image v0.0.0-20191009234506-e7c1f5e7dbb8/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0= +golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= +golang.org/x/sys v0.0.0-20211204120058-94396e421777 h1:QAkhGVjOxMa+n4mlsAWeAU+BMZmimQAaNiMu+iUi94E= +golang.org/x/sys v0.0.0-20211204120058-94396e421777/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= +golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ= +gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM= +gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= +gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo= +gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= diff --git a/handler.go b/handler.go new file mode 100644 index 0000000..b5c235b --- /dev/null +++ b/handler.go @@ -0,0 +1,96 @@ +package main + +import ( + tgbotapi "github.com/go-telegram-bot-api/telegram-bot-api/v5" + "strconv" +) + +func (ctx *Context) handleUpdate(update tgbotapi.Update) { + + if update.Message != nil { + ctx.messageHandler(update) + } + if update.CallbackQuery != nil { + ctx.callbackQueryHandler(update) + } + +} + +func (ctx *Context) callbackQueryHandler(update tgbotapi.Update) { + + if !ctx.isAuth(update.CallbackQuery.From.ID) || len(update.CallbackQuery.Data) < 3 { + ctx.callbackQuery(update.CallbackQuery.ID, "โŒ Unauthorized") + return + } + + if update.CallbackQuery.Data == "next" { + ctx.Next <- update.CallbackQuery.From.ID + ctx.callbackQuery(update.CallbackQuery.ID, "โœ… Confirmed") + return + } + + queryType := update.CallbackQuery.Data[0] + queryCmd := rune(update.CallbackQuery.Data[1]) + queryID, err := strconv.Atoi(update.CallbackQuery.Data[2:]) + if err != nil { + return + } + + if queryType == 'w' { + ctx.editWip(queryCmd, queryID, update.CallbackQuery.Message.Chat.ID, update.CallbackQuery.Message.MessageID, update.CallbackQuery.ID) + } + +} + +func (ctx *Context) messageHandler(update tgbotapi.Update) { + + if ctx.isAuth(update.Message.From.ID) { + if update.Message.Sticker != nil { + ctx.createProject(update.Message.Sticker.FileID, update.Message.From.ID) + } + if update.Message.Photo != nil { + if len(update.Message.Photo) > 0 { + ctx.createProject(update.Message.Photo[len(update.Message.Photo)-1].FileID, update.Message.From.ID) + } + } + if update.Message.Document != nil { + ctx.createProject(update.Message.Document.FileID, update.Message.From.ID) + } + } else { + if update.Message.Sticker != nil || update.Message.Photo != nil || update.Message.Document != nil { + ctx.sendMessage(update.Message.From.ID, "๐Ÿ›‘ You currently don't have the authorization to print. Check for a passcode near the printer and send it here as a message.") + } + } + + if update.Message.Text == "/start" { + ctx.startHandler(update) + } + if update.Message.Text == ctx.Settings.Password && !ctx.isAuth(update.Message.From.ID) { + ctx.PassedPasswordCheck = append(ctx.PassedPasswordCheck, update.Message.From.ID) + ctx.sendMessage(update.Message.From.ID, "โœ… Authorized") + } + + if update.Message.From.ID == ctx.Settings.Admin && update.Message.Text == "/next" { + ctx.Next <- update.Message.From.ID + ctx.sendMessage(update.Message.From.ID, "sent, left: "+strconv.Itoa(len(ctx.Next))) + } + +} + +func (ctx *Context) startHandler(update tgbotapi.Update) { + + txt := "๐Ÿ‘‹ Welcome to PublicPrintBot! Send me a sticker, a photo or file and I will print it for you." + + if !ctx.isAuth(update.Message.From.ID) { + txt += "\n\n๐Ÿ›‘ You currently don't have the authorization to print. Check for a passcode near the printer and send it here as a message." + } + + kb := tgbotapi.NewInlineKeyboardMarkup( + tgbotapi.NewInlineKeyboardRow( + tgbotapi.NewInlineKeyboardButtonURL("๐Ÿ“š Code", "https://git.massivebox.net/massivebox/publicprintbot"), + ), + ) + + ctx.sendMessage(update.Message.From.ID, txt, kb) + +} diff --git a/jobs.go b/jobs.go new file mode 100644 index 0000000..95d6e11 --- /dev/null +++ b/jobs.go @@ -0,0 +1,35 @@ +package main + +import ( + "log" +) + +type JobChan chan int // receives project IDs +type NextChan chan int64 // receives user IDs for whoever clicks the next button + +func (ctx *Context) waitForNext(userID int64) { + for n := range ctx.Next { + if n == userID || n == ctx.Settings.Admin { + return + } + } +} +func (ctx *Context) listenJobChannel() { + for jobID := range ctx.Queue { + + job := ctx.Projects[jobID] + msgID := ctx.sendMessage(job.User, "๐Ÿพ Your image is being printed! Don't forget to click the button below once you've cut your sticker off the roll.", getNextKeyboard()) + + err := ctx.Client.Print(job.Og, job.Options, false) + if err != nil { + log.Println("Error printing image", err.Error()) + ctx.sendMessage(job.User, "โ—๏ธ Got an error printing image, try again") + return + } + + ctx.waitForNext(job.User) + ctx.editMessage(job.User, msgID, "๐Ÿค— All done, thanks!") + ctx.Projects[jobID] = nil + + } +} diff --git a/main.go b/main.go new file mode 100644 index 0000000..efd35b6 --- /dev/null +++ b/main.go @@ -0,0 +1,66 @@ +package main + +import ( + "git.massivebox.net/massivebox/go-catprinter" + "github.com/go-telegram-bot-api/telegram-bot-api/v5" + "log" +) + +type Context struct { + Settings *Settings + Bot *tgbotapi.BotAPI + Client *catprinter.Client + Queue JobChan + Next NextChan + Projects map[int]*Project + PassedPasswordCheck []int64 +} + +func main() { + + log.Println("Starting...") + + s := getSettings() + + c, err := catprinter.NewClient() + if err != nil { + log.Fatalln("Error creating client", err) + } + + log.Println("Connecting to printer...") + err = c.Connect(s.Mac) + if err != nil { + log.Fatalln("Error connecting to printer", err) + } + + bot, err := tgbotapi.NewBotAPI(s.BotToken) + if err != nil { + log.Fatalln("Error creating bot API client", err) + } + + u := tgbotapi.NewUpdate(0) + u.Timeout = 60 + updates := bot.GetUpdatesChan(u) + + c.Debug.DontPrint = s.DontPrint + + ctx := &Context{ + Settings: &s, + Bot: bot, + Client: c, + Queue: make(JobChan, s.MaxQueueLength), + Next: make(NextChan), + Projects: make(map[int]*Project), + PassedPasswordCheck: make([]int64, 0), + } + + log.Println("Startup done. " + + "Listening for updates...") + + go ctx.listenJobChannel() + + for update := range updates { + go ctx.handleUpdate(update) + } + +} diff --git a/project.go b/project.go new file mode 100644 index 0000000..6fa31b8 --- /dev/null +++ b/project.go @@ -0,0 +1,135 @@ +package main + +import ( + "errors" + "git.massivebox.net/massivebox/go-catprinter" + "github.com/makeworld-the-better-one/dither/v2" + "image" + "log" + "strconv" +) + +type Project struct { + Og image.Image + User int64 + Options *catprinter.PrinterOptions + DitherStrength float32 +} + +func (ctx *Context) createProject(fileID string, userID int64) { + + tmpMsgID := ctx.sendMessage(userID, "โณ Processing...") + + img, err := ctx.fileIDtoImage(fileID) + if err != nil { + if errors.Is(err, image.ErrFormat) { + ctx.sendMessage(userID, "๐Ÿšซ File can't be parsed as an image. If you've sent a sticker, make sure it's not animated or part of an animated set.") + return + } + log.Println("Got error getting image from FileID", err) + ctx.sendMessage(userID, "๐Ÿšซ Got an error obtaining image, try again") + return + } + + if float32(img.Bounds().Dx())/float32(img.Bounds().Dy()) < ctx.Settings.MaxRatio { + ctx.sendMessage(userID, "๐Ÿšซ Your image is too tall, please send a shorter image.") + return + } + + wip := Project{ + Og: img, + Options: catprinter.NewOptions(), + User: userID, + DitherStrength: 1, + } + + putId := -1 + for i := 0; i < ctx.Settings.MaxProjects; i++ { + if ctx.Projects[i] == nil { + putId = i + break + } + } + + if putId == -1 { + ctx.sendMessage(userID, "๐Ÿšซ We can't accept this project for now, try again later") + return + } + + ctx.Projects[putId] = &wip + ctx.sendImage(userID, ctx.Client.FormatImage(wip.Og, wip.Options), getEditKeyboard(wip.Options, putId)) + ctx.deleteMessage(tmpMsgID, userID) + +} + +func changeBlackPointOrDitherStrength(proj *Project, delta float32) bool { + if proj.Options.Dither() { + if (proj.DitherStrength < 0.1 && delta < 0) || (proj.DitherStrength > 0.9 && delta > 0) { + return false + } + proj.DitherStrength += delta + proj.Options.SetDitherAlgo(dither.ErrorDiffusionStrength(dither.FloydSteinberg, proj.DitherStrength)) + } else { + if (proj.Options.BlackPoint() < 0.1 && delta < 0) || (proj.Options.BlackPoint() > 0.9 && delta > 0) { + return false + } + proj.Options.SetBlackPoint(proj.Options.BlackPoint() + delta) + } + return true +} + +func (ctx *Context) editWip(queryCmd rune, projID int, userID int64, msgID int, cqID string) { + + proj := ctx.Projects[projID] + if proj == nil { + ctx.callbackQuery(cqID, "๐Ÿคจ Project not found", true) + return + } + if proj.User != userID { + ctx.callbackQuery(cqID, "๐Ÿ”’ Can't edit this project", true) + return + } + + const limitTxt = "๐Ÿ›‘ You've reached the limit" + + switch queryCmd { + case 't': // toggle dithering + proj.Options.SetBlackPoint(0.5) + proj.DitherStrength = 1 + proj.Options.SetDitherAlgo(dither.ErrorDiffusionStrength(dither.FloydSteinberg, proj.DitherStrength)) + proj.Options.SetDither(!proj.Options.Dither()) + break + case 'l': // lighter + done := changeBlackPointOrDitherStrength(proj, -0.1) + if !done { + ctx.callbackQuery(cqID, limitTxt, true) + return + } + break + case 'b': // darker + done := changeBlackPointOrDitherStrength(proj, +0.1) + if !done { + ctx.callbackQuery(cqID, limitTxt, true) + return + } + break + case 'p': // print + if len(ctx.Queue) >= ctx.Settings.MaxQueueLength { + ctx.callbackQuery(cqID, "๐Ÿ›‘ There are already too many projects in queue, please wait...", true) + return + } + ctx.Queue <- projID + ctx.callbackQuery(cqID, "๐Ÿ–จ Waiting to print... There is/are "+strconv.Itoa(len(ctx.Queue))+" project(s) in queue before you.", true) + ctx.editImage(userID, msgID, ctx.Client.FormatImage(proj.Og, proj.Options)) + return + case 'd': // discard + ctx.Projects[projID] = nil + ctx.callbackQuery(cqID, "๐Ÿ—‘ Project discarded", true) + ctx.deleteMessage(msgID, userID) + return + } + + ctx.callbackQuery(cqID, "โณ Loading...") + ctx.editImage(userID, msgID, ctx.Client.FormatImage(proj.Og, proj.Options), getEditKeyboard(proj.Options, projID)) + +} diff --git a/settings.go b/settings.go new file mode 100644 index 0000000..3edf690 --- /dev/null +++ b/settings.go @@ -0,0 +1,37 @@ +package main + +import ( + "gopkg.in/yaml.v3" + "log" + "os" +) + +type Settings struct { + BotToken string `yaml:"token"` + MaxRatio float32 `yaml:"maxRatio"` + MaxQueueLength int `yaml:"maxQueueLength"` + MaxProjects int `yaml:"maxProjects"` + Admin int64 `yaml:"admin"` + Password string `yaml:"password"` + Blacklist []int64 `yaml:"blacklist"` + Whitelist []int64 `yaml:"whitelist"` + Mac string `yaml:"mac"` + DontPrint bool `yaml:"dontPrint"` +} + +func getSettings() Settings { + + file, err := os.ReadFile("./config.yml") + if err != nil { + log.Fatalln("Error reading config", err) + } + + var s = Settings{} + err = yaml.Unmarshal(file, &s) + if err != nil { + log.Fatalln("Error parsing config", err) + } + + return s + +} diff --git a/telegram.go b/telegram.go new file mode 100644 index 0000000..241a18f --- /dev/null +++ b/telegram.go @@ -0,0 +1,202 @@ +package main + +import ( + "bytes" + "git.massivebox.net/massivebox/go-catprinter" + tgbotapi "github.com/go-telegram-bot-api/telegram-bot-api/v5" + _ "golang.org/x/image/webp" + "image" + _ "image/gif" + _ "image/jpeg" + "image/png" + _ "image/png" + "io" + "log" + "net/http" + "strconv" +) + +func (ctx *Context) sendMessage(chatID int64, text string, keyboard ...tgbotapi.InlineKeyboardMarkup) int { + + msg := tgbotapi.NewMessage(chatID, text) + msg.ParseMode = tgbotapi.ModeHTML + if len(keyboard) > 0 { + msg.ReplyMarkup = &keyboard[0] + } + + sent, err := ctx.Bot.Send(msg) + if err != nil { + log.Println("Couldn't send message to user", chatID, err.Error()) + } + + return sent.MessageID + +} + +func (ctx *Context) sendImage(chatID int64, img image.Image, keyboard ...tgbotapi.InlineKeyboardMarkup) { + + fImg, err := imageToFileBytes(img) + if err != nil { + log.Println("Couldn't encode image to send", chatID, err.Error()) + return + } + + msg := tgbotapi.NewPhoto(chatID, fImg) + if len(keyboard) > 0 { + msg.ReplyMarkup = &keyboard[0] + } + + _, err = ctx.Bot.Send(msg) + if err != nil { + log.Println("Couldn't send image to user", chatID, err.Error()) + } + +} + +func (ctx *Context) editImage(chatID int64, msgId int, img image.Image, keyboard ...tgbotapi.InlineKeyboardMarkup) { + + fImg, err := imageToFileBytes(img) + if err != nil { + log.Println("Couldn't encode image to edit", chatID, err.Error()) + return + } + + msg := tgbotapi.EditMessageMediaConfig{ + BaseEdit: tgbotapi.BaseEdit{ + ChatID: chatID, + MessageID: msgId, + }, + Media: tgbotapi.NewInputMediaPhoto(fImg), + } + + if len(keyboard) > 0 { + msg.BaseEdit.ReplyMarkup = &keyboard[0] + } + + _, err = ctx.Bot.Send(msg) + if err != nil { + log.Println("Couldn't send image edit to user", chatID, err.Error()) + } + +} + +func (ctx *Context) editMessage(chatID int64, msgId int, text string, keyboard ...tgbotapi.InlineKeyboardMarkup) { + + msg := tgbotapi.NewEditMessageText(chatID, msgId, text) + msg.ParseMode = tgbotapi.ModeHTML + if len(keyboard) > 0 { + msg.ReplyMarkup = &keyboard[0] + } + _, err := ctx.Bot.Send(msg) + if err != nil { + log.Println("Couldn't send edit to user", chatID, err.Error()) + } + +} + +func (ctx *Context) callbackQuery(cqID string, text string, alert ...bool) { + var showAlert = false + if len(alert) > 0 { + showAlert = alert[0] + } + _, err := ctx.Bot.Request(tgbotapi.CallbackConfig{ + CallbackQueryID: cqID, + Text: text, + ShowAlert: showAlert, + }) + if err != nil { + log.Println("Couldn't send callback", cqID, err.Error()) + } +} + +func (ctx *Context) deleteMessage(msgID int, chatID int64) { + _, err := ctx.Bot.Request(tgbotapi.DeleteMessageConfig{ + MessageID: msgID, + ChatID: chatID, + }) + if err != nil { + log.Println("Couldn't send delete to user", chatID, err.Error()) + } +} + +func (ctx *Context) fileIDtoImage(fileID string) (image.Image, error) { + + directURL, err := ctx.Bot.GetFileDirectURL(fileID) + if err != nil { + return nil, err + } + + resp, err := http.Get(directURL) + if err != nil { + return nil, err + } + defer resp.Body.Close() + + imgData, err := io.ReadAll(resp.Body) + if err != nil { + return nil, err + } + + img, _, err := image.Decode(bytes.NewReader(imgData)) + if err != nil { + return nil, err + } + + return img, nil + +} + +func imageToFileBytes(img image.Image) (tgbotapi.FileBytes, error) { + + buf := new(bytes.Buffer) + err := png.Encode(buf, img) + if err != nil { + return tgbotapi.FileBytes{}, err + } + + return tgbotapi.FileBytes{ + Bytes: buf.Bytes(), + Name: "img.png", + }, nil + +} + +func getEditKeyboard(opts *catprinter.PrinterOptions, projectID int) tgbotapi.InlineKeyboardMarkup { + + var ( + emoji = 'โŒ' + wl = "โฌœ๏ธ Lighter" + wb = "โฌ›๏ธ Darker" + ) + + if opts.Dither() { + emoji = 'โœ…' + wl = "โฌ›๏ธ Lower Strength" + wb = "โฌœ๏ธ Higher Strength" + } + + pid := strconv.Itoa(projectID) + + return tgbotapi.NewInlineKeyboardMarkup( + tgbotapi.NewInlineKeyboardRow( + tgbotapi.NewInlineKeyboardButtonData(string(emoji)+" Dithering", "wt"+pid), + ), + tgbotapi.NewInlineKeyboardRow( + tgbotapi.NewInlineKeyboardButtonData(wl, "wl"+pid), + tgbotapi.NewInlineKeyboardButtonData(wb, "wb"+pid), + ), + tgbotapi.NewInlineKeyboardRow( + tgbotapi.NewInlineKeyboardButtonData("๐Ÿ–จ Print", "wp"+pid), + tgbotapi.NewInlineKeyboardButtonData("๐Ÿ—‘ Discard", "wd"+pid), + ), + ) + +} + +func getNextKeyboard() tgbotapi.InlineKeyboardMarkup { + return tgbotapi.NewInlineKeyboardMarkup( + tgbotapi.NewInlineKeyboardRow( + tgbotapi.NewInlineKeyboardButtonData("โœ… I have obtained my sticker", "next"), + ), + ) +}