lineapi-rs

LINE API library supporting both LINE Messaging API and LINE Login API.

Documentation

Changes

CHANGELOG.md

Supported APIs

LINE Messaging API

• get_v2_bot_info
• get_v2_bot_insight_message_event_aggregation
• get_v2_bot_message_aggregation_info
• get_v2_bot_message_aggregation_list
• get_v2_bot_message_quote
• get_v2_bot_message_quote_consumption
• get_v2_bot_profile
• post_v2_bot_message_push
• post_v2_bot_message_validate_push

LINE Login API (v0.6.0+)

• get_friendship_v1_status
• get_oauth2_v2_1_userinfo
• get_oauth2_v2_1_verify
• get_v2_profile
• post_oauth2_v2_1_revoke
• post_oauth2_v2_1_token
• post_oauth2_v2_1_verify
• post_user_v1_deauthorize
• oauth_url helper function (v0.6.1) - Generate OAuth authorization URL with PKCE support

Features

• Retry mechanism with exponential backoff
• Configurable timeout duration
• Configurable retry duration
• Mock support for testing
• Stream support for large data
• PKCE (Proof Key for Code Exchange) support for OAuth

Examples

OAuth Web Application (examples/oauth/)

A complete web application demonstrating LINE Login integration with PKCE (Proof Key for Code Exchange).

Features:

• OAuth authorization URL generation with PKCE
• State parameter validation for security
• Authorization code exchange for access token
• User profile retrieval using access token
• Secure cookie-based session management

Usage:

cd examples/oauth
LINE_CLIENT_ID=your_client_id \
LINE_CLIENT_SECRET=your_client_secret \
LINE_REDIRECT_URI=http://localhost:5173/oauth-line \
cargo run

Flow:

1. Visit http://localhost:5173/ to start OAuth flow
2. Click the OAuth link to authorize with LINE
3. Get redirected back with user profile information

Dependencies:

• axum - Web framework
• tower-cookies - Cookie management
• uuid - Generate secure PKCE verifier and state