# blup

**Upload images to the blue sky** ☁️

A fast CLI tool for uploading images to your AT Protocol PDS and getting instant CDN URLs through [imgs.blue](https://imgs.blue).

## Features

- 📤 Upload images directly to your Bluesky/AT Protocol PDS
- 📸 Take screenshots and upload instantly with `blup capture`
- 🔗 Get instant CDN URLs from imgs.blue
- 📋 Automatic URL copying to clipboard
- 🎨 Supports JPEG, PNG, WebP, GIF formats
- 🔐 Secure OAuth authentication
- ⚡ Single command uploads

## Installation

### Using Go
```bash
go install tangled.sh/evan.jarrett.net/blup/cmd/blup@latest
```

## Quick Start

```bash
# Authenticate
blup login

# Upload an image
blup upload cat.jpg

# Or take a screenshot and upload it
blup capture
```

## Commands
### ```blup login```
Authenticate with your AT Protocol account via OAuth. You can optionally pass `--handle` to skip the prompt.

### ```blup upload [file]```
Upload an image and get the CDN URL
```bash
$ blup upload avatar.png
https://imgs.blue/alice.bsky.social/1TpTNotr6YUww6cD6SLyWi2A2uFkH1lVEnqMXvwdjrwkAU4k
```

### ```blup capture```
Take a screenshot using your desktop's screenshot dialog, upload it, and copy the URL to clipboard
```bash
$ blup capture
Opening screenshot dialog...
https://imgs.blue/alice.bsky.social/2XyZAbc123...
```

### ```blup status```
Check your current authentication status
```bash
$ blup status
Authenticated: Yes
Account: did:plc:abc123...
PDS: https://bsky.social
```

### ```blup logout```
Remove stored credentials
```bash
$ blup logout
Logged out successfully
```

## Usage Examples

```bash
# Upload a profile picture
blup upload profile.jpg

# Take a screenshot and upload it
blup capture

# The URL is automatically copied to your clipboard!
# Just paste directly into your blog, documentation, or chat
```

## OAuth Setup

blup uses OAuth for secure authentication:

1. Run ```blup login``` to authenticate
2. Your browser will open for authorization
3. You're ready to upload!

## Building from source

```bash
git clone https://tangled.sh/evan.jarrett.net/blup
cd blup
go build -o blup ./cmd/blup
```

## Why blup?

- **Dead simple** - Authenticate once, upload with a single command
- **Screenshot to URL** - Capture and share screenshots instantly
- **Instant CDN URLs** - Powered by the global imgs.blue CDN
- **Clipboard ready** - URL copied automatically, just paste and go
- **Lightweight** - Single binary, no dependencies

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Built with 💙 for the AT Protocol ecosystem