Initial commit

.gitea/workflows/docker_build.yaml

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+name: Build Docker images
+
+on:
+  workflow_dispatch:
+  push:
+    branches: [ "main" ]
+    tags: [ "*" ]
+
+jobs:
+  acls:
+    runs-on: ubuntu-latest
+
+    steps:
+      -
+        name: Checkout
+        uses: actions/checkout@v4
+      -
+        name: Setup Go
+        uses: actions/setup-go@v5
+        with:
+          go-version: '1.24.3'
+
+      - uses: ko-build/setup-ko@v0.8
+        env:
+          KO_DOCKER_REPO: git.prettysunflower.moe/prettysunflower/youtubethumbnails
+      - env:
+          auth_token: ${{ secrets.HUB_TOKEN }}
+        run: |
+          echo "${auth_token}" | ko login git.prettysunflower.moe --username ${{ vars.HUB_USERNAME }} --password-stdin
+          ko build

.gitignore

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+# If you prefer the allow list template instead of the deny list, see community template:
+# https://github.com/github/gitignore/blob/main/community/Golang/Go.AllowList.gitignore
+#
+# Binaries for programs and plugins
+*.exe
+*.exe~
+*.dll
+*.so
+*.dylib
+
+# Test binary, built with `go test -c`
+*.test
+
+# Output of the go coverage tool, specifically when used with LiteIDE
+*.out
+
+# Dependency directories (remove the comment below to include it)
+# vendor/
+
+# Go workspace file
+go.work
+go.work.sum
+
+# env file
+.env
+
+# Covers JetBrains IDEs: IntelliJ, RubyMine, PhpStorm, AppCode, PyCharm, CLion, Android Studio, WebStorm and Rider
+# Reference: https://intellij-support.jetbrains.com/hc/en-us/articles/206544839
+
+# User-specific stuff
+.idea/**/workspace.xml
+.idea/**/tasks.xml
+.idea/**/usage.statistics.xml
+.idea/**/dictionaries
+.idea/**/shelf
+
+# AWS User-specific
+.idea/**/aws.xml
+
+# Generated files
+.idea/**/contentModel.xml
+
+# Sensitive or high-churn files
+.idea/**/dataSources/
+.idea/**/dataSources.ids
+.idea/**/dataSources.local.xml
+.idea/**/sqlDataSources.xml
+.idea/**/dynamic.xml
+.idea/**/uiDesigner.xml
+.idea/**/dbnavigator.xml
+
+# Gradle
+.idea/**/gradle.xml
+.idea/**/libraries
+
+# Gradle and Maven with auto-import
+# When using Gradle or Maven with auto-import, you should exclude module files,
+# since they will be recreated, and may cause churn.  Uncomment if using
+# auto-import.
+# .idea/artifacts
+# .idea/compiler.xml
+# .idea/jarRepositories.xml
+# .idea/modules.xml
+# .idea/*.iml
+# .idea/modules
+# *.iml
+# *.ipr
+
+# CMake
+cmake-build-*/
+
+# Mongo Explorer plugin
+.idea/**/mongoSettings.xml
+
+# File-based project format
+*.iws
+
+# IntelliJ
+out/
+
+# mpeltonen/sbt-idea plugin
+.idea_modules/
+
+# JIRA plugin
+atlassian-ide-plugin.xml
+
+# Cursive Clojure plugin
+.idea/replstate.xml
+
+# SonarLint plugin
+.idea/sonarlint/
+.idea/sonarlint.xml # see https://community.sonarsource.com/t/is-the-file-idea-idea-idea-sonarlint-xml-intended-to-be-under-source-control/121119
+
+# Crashlytics plugin (for Android Studio and IntelliJ)
+com_crashlytics_export_strings.xml
+crashlytics.properties
+crashlytics-build.properties
+fabric.properties
+
+# Editor-based Rest Client
+.idea/httpRequests
+
+# Android studio 3.1+ serialized cache file
+.idea/caches/build_file_checksums.ser

.idea/.gitignore

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+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

.idea/inspectionProfiles/Project_Default.xml

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+<component name="InspectionProjectProfileManager">
+  <profile version="1.0">
+    <option name="myName" value="Project Default" />
+    <inspection_tool class="GoDfaErrorMayBeNotNil" enabled="true" level="WARNING" enabled_by_default="true">
+      <functions>
+        <function importPath="net/http" name="Get" />
+      </functions>
+    </inspection_tool>
+  </profile>
+</component>

.idea/modules.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/youtubethumbnails.iml" filepath="$PROJECT_DIR$/.idea/youtubethumbnails.iml" />
+    </modules>
+  </component>
+</project>

.idea/vcs.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

.idea/youtubethumbnails.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="WEB_MODULE" version="4">
+  <component name="Go" enabled="true" />
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

.ko.yaml

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+defaultBaseImage: cgr.dev/chainguard/static
+defaultPlatforms:
+  - linux/arm64
+  - linux/amd64
+  - linux/arm/v7
+
+builds:
+  - id: youtubethumbnails
+    main: .
+    ldflags:
+      - -s -w

go.mod

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+module youtubethumbnails
+
+go 1.24

main.go

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+package main
+
+import (
+	"fmt"
+	"image"
+	"image/color"
+	"image/jpeg"
+	"io"
+	"net/http"
+)
+
+func main() {
+	http.HandleFunc("/", getRoot)
+	http.HandleFunc("/favicon.ico", getRoot)
+	http.HandleFunc("/{videoId}", getYouTubeThumbnail)
+
+	_ = http.ListenAndServe(":3333", nil)
+}
+
+func getYouTubeThumbnail(writer http.ResponseWriter, request *http.Request) {
+	videoId := request.PathValue("videoId")
+
+	resp, err := http.Get("https://img.youtube.com/vi/" + videoId + "/maxresdefault.jpg")
+
+	if err != nil {
+		fmt.Println(err.Error())
+		return
+	}
+
+	if resp.StatusCode == 200 {
+		body, _ := io.ReadAll(resp.Body)
+
+		_, _ = io.WriteString(writer, string(body))
+	} else if resp.StatusCode == 404 {
+		mqResp, err := http.Get("https://img.youtube.com/vi/" + videoId + "/mqdefault.jpg")
+
+		if err != nil {
+			fmt.Println(err.Error())
+			return
+		}
+
+		imageMq, _, err := image.Decode(mqResp.Body)
+
+		if err != nil {
+			fmt.Println(err.Error())
+			return
+		}
+
+		fmt.Println(imageMq.Bounds().Max.X, imageMq.Bounds().Max.Y)
+
+		hqResp, err := http.Get("https://img.youtube.com/vi/" + videoId + "/hqdefault.jpg")
+		if err != nil {
+			fmt.Println(err.Error())
+			return
+		}
+
+		imageHq, _, err := image.Decode(hqResp.Body)
+
+		if err != nil {
+			fmt.Println(err.Error())
+			return
+		}
+
+		imageMqBounds := imageMq.Bounds()
+		imageHqBounds := imageHq.Bounds()
+
+		if imageMqBounds.Max.X > imageMqBounds.Max.Y {
+			fmt.Println("Youtube thumbnail horizontal")
+			fmt.Println("Ideal size")
+			fmt.Print(imageHq.Bounds().Max.X, ", ")
+			idealHeight := imageMqBounds.Max.Y * 100 / (imageMqBounds.Max.X * 100 / imageHqBounds.Max.X)
+			fmt.Println(idealHeight)
+
+			newImage := image.NewRGBA64(image.Rectangle{
+				Min: image.Point{},
+				Max: image.Point{
+					X: imageHqBounds.Max.X, Y: idealHeight,
+				},
+			})
+
+			for i := 0; i < idealHeight; i++ {
+				for j := 0; j < imageHqBounds.Max.X; j++ {
+					iHq := (imageHqBounds.Max.Y / 2) - (idealHeight / 2) + i
+					r, g, b, a := imageHq.At(j, iHq).RGBA()
+					newImage.SetRGBA64(j, i, color.RGBA64{
+						R: uint16(r),
+						G: uint16(g),
+						B: uint16(b),
+						A: uint16(a),
+					})
+				}
+			}
+
+			err := jpeg.Encode(writer, newImage, nil)
+			if err != nil {
+				return
+			}
+			return
+		} else {
+			fmt.Println("Youtube thumbnail vertical")
+		}
+	} else {
+		_, _ = io.WriteString(writer, "Something went wrong")
+	}
+}
+
+func getRoot(writer http.ResponseWriter, request *http.Request) {
+	_, _ = io.WriteString(writer, "youtubethumbnails is a tool that allows you to get YouTube thumbnails. You can fetch thumbnails with the /{videoId} endpoint.")
+}