From 3e6b5d87b8d6b224dea77ea4c03e3d829a5e3ac1 Mon Sep 17 00:00:00 2001 From: William Gill Date: Sun, 12 Jan 2025 00:41:13 -0600 Subject: [PATCH] WIP. Echo JWT broken? --- .dockerignore | 56 +++ .editorconfig | 14 + .github/workflows/labeler.yml | 11 + .github/workflows/release.yml | 37 ++ .goreleaser.yaml | 62 ++++ .idea/.gitignore | 8 + .idea/discord.xml | 7 + .idea/modules.xml | 8 + .idea/uberbringer.iml | 9 + .idea/vcs.xml | 6 + LICENSE.txt | 661 ++++++++++++++++++++++++++++++++++ README.md | 8 +- cmd/cmd.go | 79 ++++ config.toml | 9 + config/config.go | 73 ++++ go.sum | 107 ++++++ service/printer.go | 135 +++++++ service/webserver.go | 189 ++++++++++ snowflake/snowflake.go | 311 ++++++++++++++++ uberbringer.go | 55 +++ 20 files changed, 1843 insertions(+), 2 deletions(-) create mode 100644 .dockerignore create mode 100644 .editorconfig create mode 100644 .github/workflows/labeler.yml create mode 100644 .github/workflows/release.yml create mode 100644 .goreleaser.yaml create mode 100644 .idea/.gitignore create mode 100644 .idea/discord.xml create mode 100644 .idea/modules.xml create mode 100644 .idea/uberbringer.iml create mode 100644 .idea/vcs.xml create mode 100644 LICENSE.txt create mode 100644 cmd/cmd.go create mode 100644 config.toml create mode 100644 config/config.go create mode 100644 go.sum create mode 100644 service/printer.go create mode 100644 service/webserver.go create mode 100644 snowflake/snowflake.go create mode 100644 uberbringer.go diff --git a/.dockerignore b/.dockerignore new file mode 100644 index 0000000..f83fceb --- /dev/null +++ b/.dockerignore @@ -0,0 +1,56 @@ +# Binaries for programs and plugins +*.exe +*.dll +*.so +*.dylib +.idea/* + +# Test binary, build with `go test -c` +*.test + +# Output of the go coverage tool, specifically when used with LiteIDE +*.out + +# Project-local glide cache, RE: https://github.com/Masterminds/glide/issues/736 +.glide/ + +# dep related files and folders +/vendor* + +# ignore logfiles (/* so the .gitkeep override works) +/logs/* + +# ignore configuration file +/config.yml + +# Ignore Vagrant stuff +/.vagrant + +# Builds by gox +/build + +# Go Coverage tool +/coverage.out + +# The built executable +observatron + +# IDE/Editor files (VS Code) +/.vscode + +# test files +test_*/ + +# Keep all gitkeep files (This needs to stay at the bottom) +!.gitkeep +debug +.DS_Store +*.pprof +*.pdf + +Dockerfile +CHANGELOG.md +Makefile +README.md + +/dist diff --git a/.editorconfig b/.editorconfig new file mode 100644 index 0000000..4d44c62 --- /dev/null +++ b/.editorconfig @@ -0,0 +1,14 @@ +# EditorConfig is awesome: https://EditorConfig.org + +# top-most EditorConfig file +root = true + +# Unix-style newlines with a newline ending every file +[*] +end_of_line = lf +insert_final_newline = true + +# Tab indentation +[*.go] +indent_style = tab +indent_size = 4 \ No newline at end of file diff --git a/.github/workflows/labeler.yml b/.github/workflows/labeler.yml new file mode 100644 index 0000000..d15bb5d --- /dev/null +++ b/.github/workflows/labeler.yml @@ -0,0 +1,11 @@ +name: Pull Request Labeler +on: + pull_request_target + +jobs: + label: + runs-on: ubuntu-latest + steps: + - uses: actions/labeler@v3.0.2 + with: + repo-token: "${{ secrets.TOKEN_GITHUB }}" \ No newline at end of file diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml new file mode 100644 index 0000000..fbb070a --- /dev/null +++ b/.github/workflows/release.yml @@ -0,0 +1,37 @@ +name: Create Release & Upload Assets + +on: + push: + # Sequence of patterns matched against refs/tags + tags: + - 'v*' # Push events to matching v*, i.e. v1.0, v20.15.10 + +env: + VERSION_TAG: '${{ github.ref_name }}' + CURL_TOKEN: '${{ secrets.TOKEN_GITEA }}' + +jobs: + goreleaser: + name: Upload Assets To Gitea w/ goreleaser + runs-on: ubuntu-latest + steps: + - + name: Checkout + uses: actions/checkout@v4 + with: + fetch-depth: 0 + - + name: Set up Go + uses: actions/setup-go@v5 + with: + go-version: 1.22 + - + name: Run GoReleaser + uses: goreleaser/goreleaser-action@v6 + with: + distribution: goreleaser + version: v1.26.2 + args: release --clean + env: + GITEA_TOKEN: ${{ secrets.TOKEN_GITEA }} + GORELEASER_FORCE_TOKEN: gitea \ No newline at end of file diff --git a/.goreleaser.yaml b/.goreleaser.yaml new file mode 100644 index 0000000..59ec0ac --- /dev/null +++ b/.goreleaser.yaml @@ -0,0 +1,62 @@ +project_name: uberbringer +force_token: gitea +gitea_urls: + api: https://git.anomalous.dev/api/v1 + download: https://git.anomalous.dev/ + skip_tls_verify: false +before: + hooks: + # You may remove this if you don't use go modules. + - go mod download + - go mod tidy + - go mod vendor + # you may remove this if you don't need go generate + - go generate +builds: + - + id: uberbringer + env: + - CGO_ENABLED=0 + goos: + - linux + goarch: + - amd64 + - arm + - arm64 + goarm: + - 6 + - 7 + main: ./uberbringer.go + binary: uberbringer + ldflags: + - -w -X git.anomalous.dev/57_Wolve/uberbringer/config.Version={{.Version}} -X git.anomalous.dev/57_Wolve/uberbringer/config.Build={{.ShortCommit}} -X git.anomalous.dev/57_Wolve/uberbringer/config.SentryDSN=https://70209de06de24662a0f43b47a99de86b@sentry.alphacentri.com/2 +archives: + - + # Can be used to change the archive formats for specific GOOSs. + # Most common use case is to archive as zip on Windows. + # Default is empty. + name_template: "{{ .ProjectName }}_{{ .Os }}_{{ .Arch }}{{ if .Arm }}v{{ .Arm }}{{ end }}{{ if .Mips }}_{{ .Mips }}{{ end }}" + format: 'tar' + format_overrides: + - goos: windows + format: zip +source: + enabled: true + name_template: '{{ .ProjectName }}_{{ .Version }}' +checksum: + name_template: 'checksums.txt' +release: + # Repo in which the release will be created. + # Default is extracted from the origin remote URL or empty if its private hosted. + # Note: it can only be one: either github, gitlab or gitea + gitea: + owner: 57_Wolve + name: uberbringer + draft: false +scoop: + url_template: "https://git.anomalous.dev/57_Wolve/uberbringer/releases/download/{{ .Tag }}/{{ .ArtifactName }}" + # Git author used to commit to the repository. + # Defaults are shown. + commit_author: + name: 57_Wolve + email: william.gill@anomalous.dev 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/discord.xml b/.idea/discord.xml new file mode 100644 index 0000000..d8e9561 --- /dev/null +++ b/.idea/discord.xml @@ -0,0 +1,7 @@ + + + + + \ No newline at end of file diff --git a/.idea/modules.xml b/.idea/modules.xml new file mode 100644 index 0000000..16ad870 --- /dev/null +++ b/.idea/modules.xml @@ -0,0 +1,8 @@ + + + + + + + + \ No newline at end of file diff --git a/.idea/uberbringer.iml b/.idea/uberbringer.iml new file mode 100644 index 0000000..5e764c4 --- /dev/null +++ b/.idea/uberbringer.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.txt b/LICENSE.txt new file mode 100644 index 0000000..7130b29 --- /dev/null +++ b/LICENSE.txt @@ -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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"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. 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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If the Program does not specify a version number of the +GNU Affero 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 Affero 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) 2025 William Gill + + 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 +. diff --git a/README.md b/README.md index e394d6a..0bb1aac 100644 --- a/README.md +++ b/README.md @@ -1,3 +1,7 @@ -# uberbringer +# Überbringer -EPOS Network Printer via REST API \ No newline at end of file +Bringer of information + +EPOS Network Printer via REST API + +Just a fun little project to take a REST API input and generate an output to a network printer. diff --git a/cmd/cmd.go b/cmd/cmd.go new file mode 100644 index 0000000..24135b0 --- /dev/null +++ b/cmd/cmd.go @@ -0,0 +1,79 @@ +package cmd + +import ( + "fmt" + "log" + "strconv" + "time" + + "github.com/liamg/tml" + "github.com/spf13/cobra" + + "git.anomalous.dev/57_Wolve/uberbringer/config" + "git.anomalous.dev/57_Wolve/uberbringer/service" +) + +var rootCommand = &cobra.Command{ + Use: "uberbringer", + Short: "Runs the Überbringer daemon.", + PreRun: func(cmd *cobra.Command, args []string) { + config.GetConfig() + startSplash() + }, + Run: func(cmd *cobra.Command, args []string) { + startServer() + }, +} + +var versionCommand = &cobra.Command{ + Use: "version", + Short: "Prints the current executable version and exits.", + Run: func(cmd *cobra.Command, _ []string) { + fmt.Printf("%s | Version: %s Build: %s | Copyright © %d William Gill\n", config.Project, config.Version, config.Build, time.Now().Year()) + }, +} + +func Execute() { + if err := rootCommand.Execute(); err != nil { + log.Fatalf("failed to execute command: %s", err) + } +} + +func init() { + rootCommand.PersistentFlags().StringVarP(&config.TOML, "config", "c", "config.toml", "Specify daemon config file.") + + rootCommand.AddCommand(versionCommand) +} + +func startSplash() { + + //// ***** Start Console Splash ***** //// + tml.Printf("-----------------------------------------------------------------------------------------------\n\n") + tml.Printf(" " + config.Project + " | Version: " + config.Version + " Build: " + config.Build + " | Copyright © " + strconv.Itoa(time.Now().Year()) + " William Gill \n\n") + tml.Printf(" Project: " + config.Project + "\n") + tml.Printf(" Description: " + config.Description + "\n") + tml.Printf(" Authors: " + config.Authors + "\n\n") + + tml.Printf("-----------------------------------------------------------------------------------------------\n") + + tml.Printf("[" + config.Project + "]: Initializing...\n") + //// ***** End Console Splash ***** //// + +} + +func startServer() { + + //// ***** Start Echo ***** //// + tml.Printf("[" + config.Project + "]: Initializing Web Server...\n") + + serverChannel := make(chan bool) + defer close(serverChannel) + // Start Web Server + go service.StartEcho(serverChannel, config.WebServerBindIP, config.WebServerPort) + // Stream Channel + serverData := <-serverChannel + fmt.Scanln(serverData) + + //// ***** End Echo ***** //// + +} diff --git a/config.toml b/config.toml new file mode 100644 index 0000000..bda12d3 --- /dev/null +++ b/config.toml @@ -0,0 +1,9 @@ +[webserver] + bind_ip = "127.0.0.1" + port = 8080 + +[api] + secret = "4ce3ea58ff83fd4e77a9b6031d24b103fcbc7e90889dc73846da7801fc75a52f" + +[printer] + address = "192.168.1.245" diff --git a/config/config.go b/config/config.go new file mode 100644 index 0000000..dc18337 --- /dev/null +++ b/config/config.go @@ -0,0 +1,73 @@ +package config + +import ( + "log" + + "github.com/BurntSushi/toml" + "github.com/liamg/tml" +) + +var TOML = "" + +type ( + Config struct { + WebServer struct { + Bind_IP string + Port int + } + + API struct { + Secret string + } + + Printer struct { + Address string + } + } +) + +func GetConfig() { + tomlData := TOML + + var configData Config + _, err := toml.DecodeFile(tomlData, &configData) + if err != nil { + tml.Printf("[" + Project + "]: Failed to open config file " + TOML + "\n") + log.Fatal("Exiting...", err) + } + + data := &configData + + JWT_Secret = data.API.Secret + WebServerBindIP = data.WebServer.Bind_IP + WebServerPort = data.WebServer.Port + PrinterAddr = data.Printer.Address + +} + +// Basic Information +const ( + Project = "Überbringer" + Description = "EPSON Receipt Printer Server" + Authors = "https://git.anomalous.dev/57_Wolve/uberbringer" +) + +var ( + Version string + Build string + SentryDSN string +) + +// Start Config +var ( + WebServerBindIP string + WebServerPort int +) + +var ( + JWT_Secret string +) + +var ( + PrinterAddr string +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..a9907bd --- /dev/null +++ b/go.sum @@ -0,0 +1,107 @@ +github.com/BurntSushi/toml v1.4.0 h1:kuoIxZQy2WRRk1pttg9asf+WVv6tWQuBNVmK8+nqPr0= +github.com/BurntSushi/toml v1.4.0/go.mod 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v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= +golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo= +golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc= +golang.org/x/tools v0.6.0/go.mod h1:Xwgl3UAJ/d3gWutnCtw505GrjyAbvKui8lOU390QaIU= +golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= +gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= +gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= +gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA= +gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= diff --git a/service/printer.go b/service/printer.go new file mode 100644 index 0000000..fb16b6a --- /dev/null +++ b/service/printer.go @@ -0,0 +1,135 @@ +package service + +import ( + "git.anomalous.dev/57_Wolve/uberbringer/config" + fifo "github.com/foize/go.fifo" + "github.com/justinmichaelvieira/escpos" + "github.com/liamg/tml" + "net" +) + +type Queue struct { + Data []Item `json:"data"` +} + +type QueueItem struct { + JobID string + SequenceNumber int + Type int + Bold bool + Size int + Text string +} + +// constructor function +func (std *QueueItem) fillDefaults() { + + // setting default values + // if no values present + if std.JobID == "" { + std.JobID = "000000000000000000" + } + + if std.SequenceNumber == 0 { + std.SequenceNumber = 0 + } + + if std.Type == 0 { + std.Type = 0 + } + + if std.Bold == false { + std.Bold = false + } + + if std.Size == 0 { + std.Size = 1 + } + + if std.Text == "" { + std.Text = "NULL" + } +} + +func newPrintJob(input DataStruct, queue *fifo.Queue) { + var byteLength int + + for _, item := range input.Data { + byteLength += len(item.Text) + } + + if byteLength > 4096 { + tml.Printf("[" + config.Project + "]: Job #" + input.JobID + " buffer limit reached\n") + return + } else { + tml.Printf("[" + config.Project + "]: Job #" + input.JobID + " buffer size used " + string(byteLength) + " bytes \n") + } + + printJobCreate(input, queue) +} + +func printJobCreate(input DataStruct, queue *fifo.Queue) { + + tml.Printf("[" + config.Project + "]: Adding job #" + input.JobID + " to print queue\n") + + socket, err := net.Dial("tcp", config.PrinterAddr+":9100") + if err != nil { + println(err.Error()) + } + defer func(socket net.Conn) { + err := socket.Close() + if err != nil { + println(err.Error()) + } + }(socket) + + p := escpos.New(socket) + p.SetConfig(escpos.ConfigEpsonTMT20II) + + p.Initialize() + p.DefaultLineSpacing() + + for i, item := range input.Data { + var SeqNum = i + 1 + tml.Printf("[" + config.Project + "]: Job #" + input.JobID + " - creating command " + string(SeqNum) + "\n") + if item.Type <= 0 || item.Type > 5 { + tml.Printf("[" + config.Project + "]: Job #" + input.JobID + " bad type\n") + return + } else if item.Size <= 0 || item.Size > 16 { + tml.Printf("[" + config.Project + "]: Job #" + input.JobID + " bad size\n") + return + } else { + switch item.Type { + case 1: + // Generate Regular Text + p.Bold(false).Size(uint8(item.Size), uint8(item.Size)).Write(item.Text) + case 2: + // Generate Bold Text + p.Bold(true).Size(uint8(item.Size), uint8(item.Size)).Write(item.Text) + case 3: + // Generate QR Code + p.QRCode(item.Text, true, uint8(item.Size), escpos.QRCodeErrorCorrectionLevelH) + case 4: + // New Line + p.LineFeed() + case 5: + // New Line X amount of times + p.LineFeedD(uint8(item.Size)) + } + + tml.Printf("[" + config.Project + "]: Job #" + input.JobID + " good type\n") + + } + } + + tml.Printf("[" + config.Project + "]: Printing job #" + input.JobID + "\n") + + p.LineFeed() + err = p.PrintAndCut() + if err != nil { + println(err.Error()) + } + + tml.Printf("[" + config.Project + "]: Done printing #" + input.JobID + "\n") + +} diff --git a/service/webserver.go b/service/webserver.go new file mode 100644 index 0000000..e7378c7 --- /dev/null +++ b/service/webserver.go @@ -0,0 +1,189 @@ +package service + +import ( + fifo "github.com/foize/go.fifo" + sentryecho "github.com/getsentry/sentry-go/echo" + "github.com/golang-jwt/jwt/v5" + "github.com/labstack/echo/v4" + "github.com/labstack/echo/v4/middleware" + "golang.org/x/time/rate" + "log" + "net/http" + "strconv" + "time" + + "git.anomalous.dev/57_Wolve/uberbringer/config" + "git.anomalous.dev/57_Wolve/uberbringer/snowflake" +) + +type InputData struct { + Data []Item `json:"data"` +} + +type DataStruct struct { + JobID string `json:"job"` + Data []Item `json:"data"` +} + +type Item struct { + Type int `json:"type"` + Size int `json:"size"` + Text string `json:"text"` +} + +type jwtCustomClaims struct { + jwt.RegisteredClaims +} + +func StartEcho(server chan bool, webserver_addr string, webserver_port int) { + + queue := fifo.NewQueue() + + // Start Echo + e := echo.New() + + e.Use(middleware.Logger()) + e.Use(middleware.Recover()) + e.Use(middleware.RateLimiter(middleware.NewRateLimiterMemoryStore(rate.Limit(1)))) + + // Echo GZIP + e.Use(middleware.GzipWithConfig(middleware.GzipConfig{ + Level: 3, + })) + + // Echo Request ID + e.Use(middleware.RequestIDWithConfig(middleware.RequestIDConfig{ + Generator: func() string { + var idGeneratorSettings *snowflake.Settings + + // build snowflake using the IdGenerator API + idGeneratorSettings = &snowflake.Settings{} + idGeneratorSettings.StartTime = time.Date(2016, 1, 1, 0, 0, 0, 0, time.UTC) + + SnowFlakeID, err := snowflake.GenerateID(idGeneratorSettings) + if err != nil { + log.Println(err) + } + + return strconv.FormatUint(SnowFlakeID.List[0], 10) + }, + })) + + // Once it's done, you can attach the handler as one of your middleware + e.Use(sentryecho.New(sentryecho.Options{ + Repanic: true, + })) + + // API Routes + + // API Version 1 + api_v1 := e.Group("/api/v1") + + // Echo JWT - Won't accept valid keys? Bug To-Do + /* + api_v1.Use(echojwt.WithConfig(echojwt.Config{ + SigningKey: []byte(config.JWT_Secret), + SigningMethod: "HS256", + TokenLookup: "header:Authorization:Bearer ,query:token, param:token", + ContextKey: "User", + NewClaimsFunc: func(c echo.Context) jwt.Claims { + return new(jwtCustomClaims) + }, + })) + */ + + api_v1.POST("/print", func(c echo.Context) error { + + var idGeneratorSettings *snowflake.Settings + idGeneratorSettings = &snowflake.Settings{} + idGeneratorSettings.StartTime = time.Date(2025, 1, 1, 0, 0, 0, 0, time.UTC) + SnowFlakeID, err := snowflake.GenerateID(idGeneratorSettings) + if err != nil { + log.Println(err) + } + + var printJob string + printJob = strconv.FormatUint(SnowFlakeID.List[0], 10) + + data := new(InputData) + if err := c.Bind(data); err != nil { + return c.String(http.StatusBadRequest, "bad request") + } + + // Load into separate struct for security + toPrint := DataStruct{ + JobID: printJob, + } + + toPrint.Data = data.Data + + printJobCreate(toPrint, queue) + + return c.String(http.StatusOK, "OK - "+printJob) + }) + + e.POST("/login", func(c echo.Context) error { + + username := c.FormValue("username") + password := c.FormValue("password") + + // Throws unauthorized error + if username != "test" || password != "login" { + return echo.ErrUnauthorized + } + + // Set custom claims + claims := &jwtCustomClaims{ + jwt.RegisteredClaims{ + ExpiresAt: jwt.NewNumericDate(time.Now().Add(time.Hour * 72)), + }, + } + + // Create token with claims + token := jwt.NewWithClaims(jwt.SigningMethodHS256, claims) + + // Generate encoded token and send it as response. + t, err := token.SignedString([]byte("secret")) + if err != nil { + return err + } + + return c.JSON(http.StatusOK, echo.Map{ + "token": t, + }) + + }).Name = "Login" + + e.GET("/robots.txt", func(c echo.Context) error { + return c.String(http.StatusOK, "User-agent: *\nDisallow:\n") + }) + + e.GET("/", func(c echo.Context) error { + + // Project Information + type ProjectInformation struct { + Project string `json:"Project" xml:"Project"` + Description string `json:"Description" xml:"Description"` + Authors string `json:"Authors" xml:"Authors"` + Version string `json:"Version" xml:"Version"` + Build string `json:"Build" xml:"Build"` + } + + // Build Response + Response := &ProjectInformation{ + Project: string(config.Project), + Description: string(config.Description), + Authors: string(config.Authors), + Version: string(config.Version), + Build: string(config.Build), + } + + // Return Response + return c.JSONPretty(http.StatusOK, Response, " ") + }).Name = "Base" + + e.Logger.Fatal(e.Start(webserver_addr + ":" + strconv.Itoa(webserver_port))) + + server <- true + +} diff --git a/snowflake/snowflake.go b/snowflake/snowflake.go new file mode 100644 index 0000000..b027900 --- /dev/null +++ b/snowflake/snowflake.go @@ -0,0 +1,311 @@ +package snowflake + +import ( + "errors" + "io/ioutil" + "log" + "net" + "net/http" + "os" + "sync" + "time" +) + +// These constants are the bit lengths of SnowFlake ID parts. +const ( + BitLenTime = 39 // bit length of time + BitLenMachineID = 63 - BitLenTime - BitLenSequence // bit length of machine id (16 bits) + BitLenSequence = 8 // bit length of sequence number +) + +// Settings configures SnowFlake: +// +// StartTime is the time since which the SnowFlake time is defined as the elapsed time. +// If StartTime is 0, the start time of the SnowFlake is set to "2014-09-01 00:00:00 +0000 UTC". +// If StartTime is ahead of the current time, SnowFlake is not created. +// +// MachineID returns the unique ID of the SnowFlake instance. +// If MachineID returns an error, SnowFlake is not created. +// If MachineID is nil, default MachineID is used. +// Default MachineID returns the lower 16 bits of the private IP address. +// +// CheckMachineID validates the uniqueness of the machine ID. +// If CheckMachineID returns false, SnowFlake is not created. +// If CheckMachineID is nil, no validation is done. +type Settings struct { + StartTime time.Time + MachineID func() (uint16, error) + CheckMachineID func(uint16) bool +} + +// SnowFlake is a distributed unique ID generator. +type SnowFlake struct { + mutex *sync.Mutex + startTime int64 + recentTime int64 // most recent time when this snowflake was used + sequence uint16 + machineID uint16 +} + +type IDList struct { + List []uint64 `json:"id_list"` + MachineId uint16 `json:"machine_id"` +} + +func initSnowFlake(st *Settings) *SnowFlake { + if st == nil { + st = &Settings{} + // Default start-time is the Jan 01, 2014 and the ID generator should work for 174 yeard from then + st.StartTime = time.Date(2014, 1, 1, 0, 0, 0, 0, time.UTC) + } + sf := NewSnowFlake(*st) + if sf == nil { + log.Println("snowFlake not created") + } + return sf + +} + +func GenerateID(settings *Settings) (*IDList, error) { + snowFlake := initSnowFlake(settings) + ids, err := snowFlake.NextIDs() + if err != nil { + return nil, err + } + idList := &IDList{List: ids, MachineId: snowFlake.machineID} + return idList, nil +} + +// NewSnowFlake returns a new SnowFlake configured with the given Settings. +// NewSnowFlake returns nil in the following cases: +// - Settings.StartTime is ahead of the current time. +// - Settings.MachineID returns an error. +// - Settings.CheckMachineID returns false. +func NewSnowFlake(st Settings) *SnowFlake { + sf := new(SnowFlake) + sf.mutex = new(sync.Mutex) + // why is it set to max value ? + sf.sequence = uint16(1<= 1<= 16 && ip[1] < 32) || ip[0] == 192 && ip[1] == 168) +} + +func lower16BitPrivateIP() (uint16, error) { + ip, err := k8sPodIPFromEnvVariable() + if err != nil { + ip, err = amazonEC2PrivateIPv4() + } + if err != nil { + ip, err = privateIPv4() + } + if err != nil { + return 0, err + } + + return uint16(ip[2])<<8 + uint16(ip[3]), nil +} + +// Decompose returns a set of SnowFlake ID parts. +// Time-MachineID-Sequence +func decompose(id uint64) map[string]uint64 { + // const maskSequence = uint64((1<> 63 + time := id >> (BitLenSequence + BitLenMachineID) + //sequence := id & maskSequence >> BitLenMachineID + sequence := id & maskSequence + + machineID := id & maskMachineID >> BitLenSequence + + return map[string]uint64{ + "id": id, + "msb": msb, + "time": time, + "sequence": sequence, + "machine-id": machineID, + } +} diff --git a/uberbringer.go b/uberbringer.go new file mode 100644 index 0000000..83f2d28 --- /dev/null +++ b/uberbringer.go @@ -0,0 +1,55 @@ +package main + +import ( + "log" + "net/http" + "time" + + "git.anomalous.dev/57_Wolve/uberbringer/cmd" + "git.anomalous.dev/57_Wolve/uberbringer/config" + "github.com/getsentry/sentry-go" + "github.com/liamg/tml" +) + +func main() { + + //// ***** Start Sentry ***** //// + tml.Printf("[" + config.Project + "]: Initializing Error Reporting...\n") + + sentrySyncTransport := sentry.NewHTTPSyncTransport() + sentrySyncTransport.Timeout = time.Second * 3 + + err := sentry.Init(sentry.ClientOptions{ + // Either set your DSN here or set the SENTRY_DSN environment variable. + Dsn: config.SentryDSN, + // Either set environment and release here or set the SENTRY_ENVIRONMENT + // and SENTRY_RELEASE environment variables. + Environment: "Production", + Release: config.Project + "@" + config.Version, + // Enable printing of SDK debug messages. + Debug: true, + // Useful when getting started or trying to figure something out. + AttachStacktrace: true, + Transport: sentrySyncTransport, + BeforeSend: func(event *sentry.Event, hint *sentry.EventHint) *sentry.Event { + if hint.Context != nil { + if req, ok := hint.Context.Value(sentry.RequestContextKey).(*http.Request); ok { + // You have access to the original Request + log.Println(req) + } + } + log.Println(event) + return event + }, + }) + if err != nil { + log.Fatalf("["+config.Project+"]: Sentry initialization failed: %v\n", err) + } + + // Flush buffered events before the program terminates. + // Set the timeout to the maximum duration the program can afford to wait. + defer sentry.Flush(2 * time.Second) + //// ***** End Sentry ***** //// + + cmd.Execute() +}