temp

.gitignore

@@ -26,5 +26,4 @@
 .DS_Store
 Thumbs.db
 
-token/
 token.json

Taskfile.yml

@@ -0,0 +1,21 @@
+version: "3"
+
+tasks:
+  docker-build:
+    desc: Builds a docker image for linux/amd64
+    cmd: docker buildx build --platform linux/amd64 -t autocal:latest .
+
+  docker-tag:
+    desc: Tag docker build
+    cmd: docker tag autocal:latest git.darwincereska.dev/darwincereska/autocal:latest
+
+  docker-push:
+    desc: Push to repository
+    cmd: docker push git.darwincereska.dev/darwincereska/autocal:latest
+
+  docker-all:
+    desc: Build, tag, and release docker image
+    cmds:
+      - task docker-build
+      - task docker-tag
+      - task docker-push

credentials.json

@@ -1 +1 @@
-{"installed":{"client_id":"456144269477-cgd4f7fsbl5n5m4n52s9f63ep10sf2n9.apps.googleusercontent.com","project_id":"autocal-489320","auth_uri":"https://accounts.google.com/o/oauth2/auth","token_uri":"https://oauth2.googleapis.com/token","auth_provider_x509_cert_url":"https://www.googleapis.com/oauth2/v1/certs","client_secret":"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","redirect_uris":["http://localhost:4444/callback"]}}
+{"web":{"client_id":"456144269477-4cb92rb26tv07tjlo0dmrvnte0p58rt8.apps.googleusercontent.com","project_id":"autocal-489320","auth_uri":"https://accounts.google.com/o/oauth2/auth","token_uri":"https://oauth2.googleapis.com/token","auth_provider_x509_cert_url":"https://www.googleapis.com/oauth2/v1/certs","client_secret":"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","redirect_uris":["https://autocal.darwincereska.dev/callback"]}}

token/token.go

@@ -0,0 +1,89 @@
+package token
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"os"
+	"time"
+
+	"github.com/charmbracelet/log"
+	"golang.org/x/oauth2"
+)
+
+// Return OAuth2 Client
+func GetClient(config *oauth2.Config) *http.Client {
+	// The file token.json stores the user's access and refresh tokens, and is
+	// created automatically when the autorization flow completes for the first time
+
+	tokFile := "token.json"
+	tok, err := GetTokenFromFile(tokFile)
+	if err != nil {
+		tok = GetTokenFromWeb(config)
+		SaveToken(tokFile, tok)
+	}
+
+	return config.Client(context.Background(), tok)
+}
+
+// Request a token from the web
+func GetTokenFromWeb(config *oauth2.Config) *oauth2.Token {
+	// Simple HTTP callback handler
+	codeCh := make(chan string)
+	srv := &http.Server{Addr: ":4444"}
+
+	http.HandleFunc("/callback", func(w http.ResponseWriter, r *http.Request) {
+		code := r.URL.Query().Get("code")
+		fmt.Fprint(w, "Authorization successful! You can close this tab.")
+		codeCh <- code
+	})
+
+	// Start in background
+	go func() {
+		srv.ListenAndServe()
+	}()
+
+	authURL := config.AuthCodeURL("state-token", oauth2.AccessTypeOffline, oauth2.ApprovalForce)
+	log.Info("Go to the following link in your browser and then type the authorization code:")
+	fmt.Println(authURL)
+
+	// Get authCode from channel
+	authCode := <-codeCh
+
+	tok, err := config.Exchange(context.TODO(), authCode) 
+	if err != nil {
+		log.Fatal("Unable to retrieve token from web", "err", err)
+	}
+
+	ctxShutdown, cancel := context.WithTimeout(context.Background(), 5*time.Second)
+	defer cancel()
+	srv.Shutdown(ctxShutdown)
+
+	return tok
+}
+
+// Retrieves a token from a file
+func GetTokenFromFile(file string) (*oauth2.Token, error) {
+	f, err := os.Open(file)
+	if err != nil {
+		return nil, err
+	}
+	defer f.Close()
+
+	tok := &oauth2.Token{}
+	err = json.NewDecoder(f).Decode(tok)
+	return tok, err
+}
+
+// Saves a token to a file path
+func SaveToken(path string, token *oauth2.Token) {
+	log.Info("Saving credential file to", "path", path)
+	f, err := os.OpenFile(path, os.O_RDWR|os.O_CREATE|os.O_TRUNC, 0600)
+	if err != nil {
+		log.Fatal("Unable to cache oauth token", "err", err)
+	}
+	defer f.Close()
+
+	json.NewEncoder(f).Encode(token)
+}