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* Upgrade Go to 1.24.3 Updates the following files: - server/.go-version: 1.23.9 → 1.24.3 - server/build/Dockerfile.buildenv: golang:1.23.9-bullseye → golang:1.24.3-bullseye - server/go.mod: go 1.23.0 → go 1.24.3, toolchain go1.23.9 → go1.24.3 - server/public/go.mod: go 1.23.0 → go 1.24.3, toolchain go1.23.9 → go1.24.3 Also fixes non-constant format string errors introduced by Go 1.24.3's stricter format string checking: - Added response() helper function in slashcommands/util.go for simple string responses - Removed unused responsef() function from slashcommands/util.go - Replaced responsef() with response() for translated strings that don't need formatting - Fixed fmt.Errorf and fmt.Fprintf calls to use proper format verbs instead of string concatenation - Updated marketplace buildURL to handle format strings conditionally 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com> * Update generated mocks for Go 1.24.3 Regenerated mocks using mockery v2.53.4 to ensure compatibility with Go 1.24.3. This addresses mock generation failures that occurred with the Go upgrade. 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com> * Update to bookworm and fix non-existent sha Signed-off-by: Stavros Foteinopoulos <stafot@gmail.com> * fix non-constant format string --------- Signed-off-by: Stavros Foteinopoulos <stafot@gmail.com> Co-authored-by: Claude <noreply@anthropic.com> Co-authored-by: Stavros Foteinopoulos <stafot@gmail.com>
Shared Channel Service
Package sharedchannel implements Mattermost's shared channels functionality, for sharing channel content across Mattermost instances/clusters. Here are the key responsibilities:
Channel Sharing:
- Allows channels to be shared between different Mattermost instances/clusters
- Handles inviting remote clusters to shared channels
- Manages permissions and read-only status for shared channels
Content Synchronization:
- Syncs posts, reactions, user profiles, and file attachments between instances
- Handles permalink processing between instances
- Manages user profile images sync
- Maintains sync state and cursors to track what has been synchronized
Remote Communication:
- Processes incoming sync messages from remote clusters
- Sends updates to remote clusters when local changes occur
- Handles connection state changes with remote clusters
- Manages retry logic for failed sync attempts
Security:
- Validates permissions for shared channel operations
- Ensures users can only sync content they have access to
- Verifies remote cluster authenticity
- Sanitizes user data during sync
The service acts as a bridge between Mattermost instances, allowing users from different instances to collaborate in shared channels while keeping content synchronized across all participating instances.
This is implemented through a Service struct that handles all the shared channel operations and maintains the synchronization state. It works in conjunction with the RemoteCluster service to handle the actual communication between instances.