commit 1a9481bd83066563c2439f8d4a07b47604bfdb07
Author: Maël Gramain <mael@enpls.org>
Date: Sun Mar 19 15:07:40 2023 +0100
Init
diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..dfcc76c
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,61 @@
+EXTENSION ?=
+DIST_DIR ?= dist/
+GOOS ?= linux
+ARCH ?= $(shell uname -m)
+BUILDINFOSDET ?=
+
+SOFT_NAME := epee_service
+SOFT_VERSION := $(shell git describe --tags $(git rev-list --tags --max-count=1))
+VERSION_PKG := $(shell echo $(SOFT_VERSION) | sed 's/^v//g')
+ARCH := x86_64
+LICENSE := AGPL-3
+URL := https://git.gnous.eu/enpls/epee-service
+DESCRIPTION := EnPLS Epee (Enpls Proxy EnginE) Utility Service
+BUILDINFOS := ($(shell date +%FT%T%z)$(BUILDINFOSDET))
+LDFLAGS := '-X main.version=$(SOFT_VERSION) -X main.buildinfos=$(BUILDINFOS)'
+
+OUTPUT_SOFT := $(DIST_DIR)frite-$(SOFT_VERSION)-$(GOOS)-$(ARCH)$(EXTENSION)
+
+.PHONY: vet
+vet:
+ go vet main.go
+
+.PHONY: test
+test:
+ go test -v ./...
+
+.PHONY: prepare
+prepare:
+ mkdir -p $(DIST_DIR)
+
+.PHONY: clean
+clean:
+ rm -rf $(DIST_DIR)
+
+.PHONY: build
+build: prepare
+ go build -ldflags $(LDFLAGS) -o $(OUTPUT_SOFT)
+
+.PHONY: package-deb
+package-deb: prepare
+ fpm -s dir -t deb -n $(SOFT_NAME) -v $(VERSION_PKG) \
+ --description "$(DESCRIPTION)" \
+ --url "$(URL)" \
+ --architecture $(ARCH) \
+ --license "$(LICENSE)" \
+ --package $(DIST_DIR) \
+ $(OUTPUT_SOFT)=/usr/bin/frite-web \
+ extra/links.txt.example=/etc/frite/links.txt \
+ extra/frite-web.service=/usr/lib/systemd/system/frite-web.service
+
+.PHONY: package-rpm
+package-rpm: prepare
+ fpm -s dir -t rpm -n $(SOFT_NAME) -v $(VERSION_PKG) \
+ --description "$(DESCRIPTION)" \
+ --url "$(URL)" \
+ --architecture $(ARCH) \
+ --license "$(LICENSE) "\
+ --package $(DIST_DIR) \
+ $(OUTPUT_SOFT)=/usr/bin/frite-web \
+ extra/links.txt.example=/etc/frite/links.txt \
+ extra/frite-web.service=/usr/lib/systemd/system/frite-web.service
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diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..6cdbb29
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,3 @@
+module git.gnous.eu/enpls/epee-service
+
+go 1.19
diff --git a/main.go b/main.go
new file mode 100644
index 0000000..d7b9a0c
--- /dev/null
+++ b/main.go
@@ -0,0 +1,77 @@
+package main
+
+import (
+ "embed"
+ "encoding/json"
+ "fmt"
+ "html/template"
+ "log"
+ "net/http"
+)
+
+//go:embed static
+var staticFS embed.FS
+
+//go:embed templates
+var templatesFS embed.FS
+
+// Error model
+type Error struct {
+ Title string `json:"title"`
+ Message string `json:"message"`
+}
+
+func main() {
+ port := "5900"
+
+ http.Handle("/static/", http.FileServer(http.FS(staticFS)))
+ http.HandleFunc("/", errorHandler)
+
+ log.Printf("Listening on :%s...", port)
+ err := http.ListenAndServe(fmt.Sprintf(":%s", port), nil)
+ if err != nil {
+ log.Fatal(err)
+ }
+}
+
+func errorHandler(w http.ResponseWriter, r *http.Request) {
+ errorCode := r.URL.Query().Get("error")
+
+ // Load error messages from JSON file
+ jsonData, err := templatesFS.ReadFile("templates/errors.json")
+ if err != nil {
+ generateInternalServerError(w, err)
+ return
+ }
+ errors := make(map[string]Error)
+ err = json.Unmarshal(jsonData, &errors)
+ if err != nil {
+ generateInternalServerError(w, err)
+ return
+ }
+ errorData := errors[errorCode]
+ if errorData.Title == "" {
+ errorData.Title = "Error"
+ errorData.Message = "An error occurred."
+ }
+
+ // Render error page
+ tmpl, err := templatesFS.ReadFile("templates/error.html")
+ if err != nil {
+ generateInternalServerError(w, err)
+ return
+ }
+ t, err := template.New("error").Parse(string(tmpl))
+ if err != nil {
+ generateInternalServerError(w, err)
+ return
+ }
+ t.Execute(w, errorData)
+}
+
+func generateInternalServerError(w http.ResponseWriter, err error) {
+ log.Println(err)
+ w.Header().Set("Content-Type", "application/json; charset=utf-8")
+ w.WriteHeader(http.StatusInternalServerError)
+ w.Write([]byte(`{"error": "Internal Server Error"}`))
+}
diff --git a/static/Nunito-VariableFont_wght.ttf b/static/Nunito-VariableFont_wght.ttf
new file mode 100644
index 0000000..87c50a8
Binary files /dev/null and b/static/Nunito-VariableFont_wght.ttf differ
diff --git a/static/main.css b/static/main.css
new file mode 100644
index 0000000..48d2109
--- /dev/null
+++ b/static/main.css
@@ -0,0 +1,61 @@
+@import url('https://fonts.googleapis.com/css2?family=Nunito:wght@500;800&display=swap');
+
+* {
+ margin: 0px;
+ padding: 0px;
+}
+
+body {
+ font-family: 'Nunito', sans-serif;
+ background-color: #f1efe9;
+ color: #282828;
+ font-weight: 500;
+}
+
+h1 {
+ font-weight: 800;
+}
+
+.container {
+ display: flex;
+ min-height: 100vh;
+ flex-direction: column;
+}
+
+.main {
+ flex: 1;
+}
+
+.header {
+ padding: 20px;
+ text-align: center;
+}
+
+.main {
+ width: 80%;
+ margin: 0 auto;
+ margin-top: 5vh;
+}
+
+.main h1 {
+ font-size: 8vh;
+}
+
+.main p {
+ padding-top: 0.5vh;
+}
+
+.footer {
+ background-color: #282828;
+ color: #f1efe9;
+ padding: 20px;
+ text-align: center;
+}
+
+.main a {
+ color: #7d5fff;
+}
+
+.footer a {
+ color: #f1efe9;
+}
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diff --git a/templates/error.html b/templates/error.html
new file mode 100644
index 0000000..d6c0390
--- /dev/null
+++ b/templates/error.html
@@ -0,0 +1,29 @@
+<!DOCTYPE html>
+<html lang="en">
+
+<head>
+ <meta charset="UTF-8">
+ <meta http-equiv="X-UA-Compatible" content="IE=edge">
+ <meta name="viewport" content="width=device-width, initial-scale=1.0">
+ <title>{{.Title}}</title>
+ <link rel="stylesheet" href="/static/main.css">
+</head>
+
+<body>
+ <div class="container">
+ <div class="header">
+ <h1>EnPLS Network </h1>
+ </div>
+ <div class="main">
+ <h1>{{.Title}}</h1>
+ <p>{{.Message}}</p>
+ <p>If you believe that this situation is unusual, please don't hesitate to <a
+ href="mailto:mael@enpls.org">contact us</a>.
+ </div>
+ <div class="footer">
+ <p>© Copyright {{.Year}} EnPLS Network - <a href="https://enpls.org">enpls.org</a> </p>
+ </div>
+ </div>
+</body>
+
+</html>
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diff --git a/templates/errors.json b/templates/errors.json
new file mode 100644
index 0000000..741b480
--- /dev/null
+++ b/templates/errors.json
@@ -0,0 +1,22 @@
+{
+ "404": {
+ "title": "404, Page Not Found.",
+ "message": "Ooops! It looks like the ressource you were looking for is no were to be found."
+ },
+ "403": {
+ "title": "403, Access Denied.",
+ "message": "Ooops! It looks like you don't have the right to access this ressource."
+ },
+ "502": {
+ "title": "502, Backend Unavailable.",
+ "message": "Ooops! The requested backend service is unavailable. This error might be due to an ongoing maintenance or a service disruption. You might want to take a look at our service status page."
+ },
+ "503": {
+ "title": "503, Service Unavailable.",
+ "message": "Ooops! The requested service is unavailable. This error might be due to an ongoing maintenance or a service disruption. You might want to take a look at our service status page."
+ },
+ "500": {
+ "title": "500, Internal Server Error.",
+ "message": "Ooops! It looks like something went wrong on our side. We are working on it and will be back shortly."
+ }
+}
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