Android Matrix messenger application using the Matrix Rust Sdk and Jetpack Compose
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This file contains some rough notes about Oidc implementation, with some examples of actual data.

ios implementation

Rust sdk branch: https://github.com/matrix-org/matrix-rust-sdk/tree/oidc-ffi

Figma https://www.figma.com/file/o9p34zmiuEpZRyvZXJZAYL/FTUE?node-id=133-5426&t=yQXKeANatk6keoZF-0

Server list: https://github.com/element-hq/oidc-playground

Metadata iOS: (from 5f9d07377c/ElementX/Sources/Services/Authentication/AuthenticationServiceProxy.swift (L28))

clientName: InfoPlistReader.main.bundleDisplayName, redirectUri: "io.element:/callback", clientUri: "https://element.io", tosUri: "https://element.io/user-terms-of-service", policyUri: "https://element.io/privacy"

Android: clientName = "Element", redirectUri = "io.element:/callback", clientUri = "https://element.io", tosUri = "https://element.io/user-terms-of-service", policyUri = "https://element.io/privacy"

Example of OidcData (from presentUrl callback): url: https://auth-oidc.lab.element.dev/authorize?response_type=code&client_id=01GYCAGG3PA70CJ97ZVP0WFJY3&redirect_uri=io.element%3A%2Fcallback&scope=openid+urn%3Amatrix%3Aorg.matrix.msc2967.client%3Aapi%3A*+urn%3Amatrix%3Aorg.matrix.msc2967.client%3Adevice%3AYAgcPW4mcG&state=ex6mNJVFZ5jn9wL8&nonce=NZ93DOyIGQd9exPQ&code_challenge_method=S256&code_challenge=FFRcPALNSPCh-ZgpyTRFu_h8NZJVncfvihbfT9CyX8U&prompt=consent

Formatted url: https://auth-oidc.lab.element.dev/authorize? response_type=code& client_id=01GYCAGG3PA70CJ97ZVP0WFJY3& redirect_uri=io.element%3A%2Fcallback& scope=openid+urn%3Amatrix%3Aorg.matrix.msc2967.client%3Aapi%3A*+urn%3Amatrix%3Aorg.matrix.msc2967.client%3Adevice%3AYAgcPW4mcG& state=ex6mNJVFZ5jn9wL8& nonce=NZ93DOyIGQd9exPQ& code_challenge_method=S256& code_challenge=FFRcPALNSPCh-ZgpyTRFu_h8NZJVncfvihbfT9CyX8U& prompt=consent

state: ex6mNJVFZ5jn9wL8

Oidc client example: 39ad8a4680/examples/oidc_cli/src/main.rs Oidc sdk doc: 39ad8a4680/crates/matrix-sdk/src/oidc.rs

Test server: synapse-oidc.lab.element.dev