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Feat: Switch from Google CSE to Brave Image Search API

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multipleof4
2026-02-13 15:01:32 -08:00
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@@ -18,7 +18,7 @@ That's it. The image is searched, cached, and served.
1. A request hits `direct-img.link/<query>`
2. If cached (within 30 days) → serves the image instantly from edge
3. If not cached → searches via Google Custom Search API → compresses to WebP → caches in R2 → serves
3. If not cached → searches via Brave Image Search API → compresses to WebP → caches in R2 → serves
## URL Format
@@ -57,7 +57,7 @@ as the image URL. Use + to separate words. Example: ![orange cat](https://direct
- **10 new searches per day per IP** (resets at midnight UTC)
- **Cache hits are unlimited** (within WAF limits above)
- **Google API quota:** 100 free queries/day, then $5/1k
- **Brave API quota:** Free plan includes 2,000 queries/month
## Caching
@@ -74,22 +74,16 @@ Free community service. Donations help cover API and infrastructure costs.
## Self-Hosting
### 1. Google Programmable Search Engine
### 1. Brave Search API Key
1. Go to [programmablesearchengine.google.com](https://programmablesearchengine.google.com/) → **Add**
2. Toggle **Image search** to **On**
3. Under **Sites to search**, add the sites from [`assets/sites-to-search.xml`](assets/sites-to-search.xml)
4. **Save** and copy your **Search Engine ID** (`cx`)
5. You can edit this site list anytime from the control panel
1. Go to [brave.com/search/api](https://brave.com/search/api/)
2. Click **Get Started**
3. Create a Brave account or sign in
4. Choose the **Free** plan (2,000 queries/month) or a paid plan
5. Once subscribed, go to your [API dashboard](https://api.search.brave.com/app/#/subscriptions)
6. Copy your **API key** (starts with `BSA...`)
### 2. Google Custom Search API Key
1. Go to [Google Cloud Console](https://console.cloud.google.com/)
2. Create a project → **APIs & Services → Library**
3. Enable **Custom Search API**
4. **APIs & Services → Credentials → Create Credentials → API Key**
### 3. Cloudflare Resources
### 2. Cloudflare Resources
Create in your Cloudflare dashboard:
@@ -99,7 +93,7 @@ Create in your Cloudflare dashboard:
| KV Namespace | `DIRECT_IMG_CACHE` | Cache existence + timestamp |
| KV Namespace | `DIRECT_IMG_RATE` | Per-IP daily search counter |
### 4. Pages Bindings
### 3. Pages Bindings
**Settings → Functions → Bindings:**
@@ -109,23 +103,22 @@ Create in your Cloudflare dashboard:
| KV Namespace | `DIRECT_IMG_CACHE` | `DIRECT_IMG_CACHE` |
| KV Namespace | `DIRECT_IMG_RATE` | `DIRECT_IMG_RATE` |
### 5. Secrets
### 4. Secrets
**Settings → Environment variables:**
| Variable | Description |
|---|---|
| `GOOGLE_API_KEY` | Custom Search API key |
| `GOOGLE_CSE_ID` | Search Engine ID (`cx`) |
| `BRAVE_API_KEY` | Brave Search API key |
### 6. WAF Rules
### 5. WAF Rules
**Security → WAF → Rate limiting rules:**
1. **Global** — 60 req/min per IP → Block 60s
2. **Burst** — 10 req/10s per IP → Challenge
### 7. Deploy
### 6. Deploy
Fork this repo, connect to Cloudflare Pages, deploy.
@@ -153,7 +146,7 @@ Fork this repo, connect to Cloudflare Pages, deploy.
- **Cloudflare R2** — image storage
- **Cloudflare KV** — cache + rate limiting
- **Cloudflare WAF** — rate limiting + DDoS protection
- **Google Custom Search API** — image sourcing
- **Brave Image Search API** — image sourcing
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