Merge remote-tracking branch 'origin/master'

# Conflicts:
#	src/static/index.html

.gitea/workflows/docker.yml

@@ -5,21 +5,33 @@ on: [push]
 jobs:
   build_and_publish:
     runs-on: [ubuntu-latest]
-    permissions:
-      contents: read
-      packages: write
     steps:
       - name: Check out repository code
         uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: git.i-am.nexus/nex/link-elongater
+
       - name: Log into forgejo CR
+        if: ${{ github.event_name != 'pull_request' }}
         uses: docker/login-action@v3
         with:
           registry: git.i-am.nexus
           username: nex
-          password: ${{ secrets.CR_TOKEN }}
-      - name: Build Docker image
-        run: |
-          docker build -t git.i-am.nexus/nex/link-elongater:latest .
-      - name: Push to forgejo CR
-        run: |
-          docker push -a git.i-am.nexus/nex/link-elongater
+          password: ${{ secrets.CR_PASSWORD }}
+
+      - name: Build and push
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=registry,ref=git.i-am.nexus/nex/link-elongater:master
+          cache-to: type=inline

src/db.py

@@ -7,7 +7,9 @@ from tortoise.contrib.pydantic import pydantic_model_creator
 
 class Redirect(Model):
     uuid = fields.UUIDField(primary_key=True, default=uuid.uuid4)
-    slug = fields.CharField(max_length=32779, index=False,  default=lambda: secrets.token_urlsafe(1024))
+    slug = fields.CharField(
+        max_length=32779, index=False, default=lambda: secrets.token_urlsafe(1024)
+    )
     destination = fields.CharField(max_length=8192)
     created_at = fields.DatetimeField(auto_now_add=True)
     expires = fields.DatetimeField(null=True)

src/main.py

@@ -8,7 +8,7 @@ import db
 import requests
 from fastapi import FastAPI, Request, HTTPException, status, Form
 from fastapi.staticfiles import StaticFiles
-from fastapi.responses import RedirectResponse
+from fastapi.responses import RedirectResponse, JSONResponse
 from fastapi.templating import Jinja2Templates
 from contextlib import asynccontextmanager
 from tortoise.contrib.fastapi import RegisterTortoise
@@ -94,6 +94,7 @@ async def list_redirects():
 
 @app.post("/api/create", response_model=db.RedirectPydantic)
 async def create_redirect(
+    response: JSONResponse,
     destination: str = Form(...),
     expires: typing.Optional[datetime.datetime] = Form(None),
     max_visits: typing.Optional[int] = Form(None),
@@ -106,6 +107,11 @@ async def create_redirect(
     elif parsed.scheme not in ["http", "https"]:
         raise HTTPException(status_code=400, detail="Invalid URL - must be HTTP/HTTPS")
 
+    existing = await db.Redirect.get_or_none(destination=destination)
+    if existing is not None:
+        response.status_code = 200
+        return await db.RedirectPydantic.from_tortoise_orm(existing)
+
     match slug_type:
         case "urlsafe":
             slug = secrets.token_urlsafe(slug_length // 2)
@@ -130,7 +136,10 @@ async def create_redirect(
 
     while await db.Redirect.get_or_none(slug=slug) is not None:
         slug = secrets.token_urlsafe(slug_length // 2)
-    redirect = await db.Redirect.create(destination=destination, expires=expires, max_visits=max_visits, slug=slug)
+    redirect = await db.Redirect.create(
+        destination=destination, expires=expires, max_visits=max_visits, slug=slug
+    )
+    response.status_code = 201
     return await db.RedirectPydantic.from_tortoise_orm(redirect)
 
 

src/static/index.html

@@ -5,6 +5,12 @@
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>Link Elongater - Create Redirect</title>
     <script>
+        function onChange(e) {
+            let slugLength = parseInt(document.getElementById("slug_length").value);
+            let netloc = window.location.origin;
+            const totalLength = netloc.length + 3 + slugLength;
+            document.getElementById("urllen").textContent = totalLength;
+        }
         function onSubmit(e) {
             e.preventDefault();
             let formData = new FormData(e.target);
@@ -44,9 +50,31 @@
             "DOMContentLoaded",
             () => {
                 document.querySelector("form").addEventListener("submit", onSubmit);
+                document.getElementById("slug_length").addEventListener("input", onChange);
             }
         )
     </script>
+    <style>
+        body {
+            font-family: sans-serif;
+        }
+        form {
+            display: grid;
+            gap: 0.5em;
+        }
+        label {
+            font-weight: bold;
+        }
+        input, select {
+            width: 100%;
+        }
+        button {
+            width: 100%;
+        }
+        #result {
+            margin-top: 1em;
+        }
+    </style>
 </head>
 <body>
     <h1>Create redirect</h1>
@@ -60,10 +88,11 @@
         <input type="url" id="destination" name="destination" required/><br/>
         <label for="expires">Expires:</label>
         <input type="date" id="expires" name="expires"/><br/>
-        <label for="max_visits">Max visits:</label>
+        <label for="max_visits">Max visits (default: unlimited):</label>
         <input type="number" id="max_visits" name="max_visits"/><br/>
         <label for="slug_length">Slug length:</label>
-        <input type="number" id="slug_length" name="slug_length" value="1000" min="2" max="16389"/><br/>
+        <input type="number" id="slug_length" name="slug_length" value="1000" min="2" max="16389"/>
+        <p>URL length will total to <span id="urllen">a lot of</span> characters.</p><br/>
         <label for="slug_type">Slug type:</label>
         <select id="slug_type" name="slug_type" value="urlsafe">
             <option value="urlsafe">Base64 (urlsafe)</option>