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signal-cli-rest-api/README.md
2020-06-28 17:58:43 +02:00

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# Dockerized Signal Messenger REST API
This project creates a small dockerized REST API around [signal-cli](https://github.com/AsamK/signal-cli).
At the moment, the following functionality is exposed via REST:
- Register a number
- Verify the number using the code received via SMS
- Send message (+ attachment) to multiple recipients
## Examples
Sample `docker-compose.yml`file:
```
version: "3"
services:
signal-cli-rest-api:
image: bbernhard/signal-cli-rest-api:latest
ports:
- "8080:8080" #map docker port 8080 to host port 8080.
network_mode: "host"
volumes:
- "./signal-cli-config:/home/.local/share/signal-cli" #map "signal-cli-config" folder on host system into docker container. the folder contains the password and cryptographic keys when a new number is registered
```
Sample REST API calls:
- Register a number (with SMS verification)
`curl -X POST -H "Content-Type: application/json" 'http://127.0.0.1:8080/v1/register/<number>'`
e.g:
`curl -X POST -H "Content-Type: application/json" 'http://127.0.0.1:8080/v1/register/+431212131491291'`
- Register a number (with voice verification)
`curl -X POST -H "Content-Type: application/json" --data '{"use_voice": true}' 'http://127.0.0.1:8080/v1/register/<number>'`
e.g:
`curl -X POST -H "Content-Type: application/json" --data '{"use_voice": true}' 'http://127.0.0.1:8080/v1/register/+431212131491291'`
- Verify the number using the code received via SMS/voice
`curl -X POST -H "Content-Type: application/json" 'http://127.0.0.1:8080/v1/register/<number>/verify/<verification code>'`
e.g:
`curl -X POST -H "Content-Type: application/json" 'http://127.0.0.1:8080/v1/register/+431212131491291/verify/123-456'`
- Send a message to multiple recipients
`curl -X POST -H "Content-Type: application/json" -d '{"message": "<message>", "number": "<number>", "recipients": ["<recipient1>", "<recipient2>"]}' 'http://127.0.0.1:8080/v2/send'`
e.g:
`curl -X POST -H "Content-Type: application/json" -d '{"message": "Hello World!", "number": "+431212131491291", "recipients": ["+4354546464654", "+4912812812121"]}' 'http://127.0.0.1:8080/v2/send'`
- Send a message (+ base64 encoded attachment) to multiple recipients
`curl -X POST -H "Content-Type: application/json" -d '{"message": "<message>", "base64_attachments": ["<base64 encoded attachment>"], "number": "<number>", "recipients": ["<recipient1>", "<recipient2>"]}' 'http://127.0.0.1:8080/v2/send'`
- Send a message to a group
The group id can be obtained via the "List groups" REST call.
`curl -X POST -H "Content-Type: application/json" -d '{"message": "<message>", "number": "<number>", "recipients": ["<group id>"]}' 'http://127.0.0.1:8080/v2/send'`
e.g:
`curl -X POST -H "Content-Type: application/json" -d '{"message": "Hello World!", "number": "+431212131491291", "recipients": ["group.ckRzaEd4VmRzNnJaASAEsasa", "+4912812812121"]}' 'http://127.0.0.1:8080/v2/send'`
- Receive messages
Fetch all new messages in the inbox of the specified number.
`curl -X GET -H "Content-Type: application/json" 'http://127.0.0.1:8080/v1/receive/<number>'`
e.g:
`curl -X GET -H "Content-Type: application/json" 'http://127.0.0.1:8080/v1/receive/+431212131491291'`
- Create a new group
Create a new group with the specified name and members.
`curl -X POST -H "Content-Type: application/json" -d '{"name": "<group name>", "members": ["<member1>", "<member2>"]}' 'http://127.0.0.1:8080/v1/groups/<number>'`
e.g:
`curl -X POST -H "Content-Type: application/json" -d '{"name": "my group", "members": ["+4354546464654", "+4912812812121"]}' 'http://127.0.0.1:8080/v1/groups/+431212131491291'`
- List groups
`curl -X GET -H "Content-Type: application/json" 'http://127.0.0.1:8080/v1/groups/<number>'`
e.g:
`curl -X GET -H "Content-Type: application/json" 'http://127.0.0.1:8080/v1/groups/+431212131491291'`
- Delete a group
Delete the group with the given group id. The group id can be obtained via the "List groups" REST call.
`curl -X DELETE -H "Content-Type: application/json" 'http://127.0.0.1:8080/v1/groups/<number>/<group id>'`
e.g:
`curl -X DELETE -H "Content-Type: application/json" 'http://127.0.0.1:8080/v1/groups/+431212131491291/ckRzaEd4VmRzNnJaASAEsasa'`
- Link a device
`curl -X GET -H "Content-Type: application/json" 'http://127.0.0.1:8080/v1/qrcodelink?device_name=<device name>'`
e.g:
`curl -X GET -H "Content-Type: application/json" 'http://127.0.0.1:8080/v1/qrcodelink?device_name=HomeAssistant'`
This provides a QR-Code image. In case of an error a JSON object will be returned.
Due to security reason of Signal, the provided QR-Code will change with each request.
The following REST API endpoints are **deprecated and no longer maintained!**
`/v1/send`
In case you need more functionality, please **file a ticket** or **create a PR**