Initial import with modified Dockerfile for env-based config generation

This commit is contained in:
2026-06-22 11:56:10 +03:00
parent 28fa7537ac
commit 6bf27aa40e
25 changed files with 3228 additions and 0 deletions
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package cache
import (
"context"
"fmt"
"strings"
"github.com/rs/zerolog"
"github.com/vincentc-afk/gitea-notification-hub/internal/event"
"github.com/vincentc-afk/gitea-notification-hub/internal/identity"
"github.com/vincentc-afk/gitea-notification-hub/internal/storage"
)
// CachedResolver implements identity.Resolver with caching
// It stores resolved identities in the database and only queries
// external APIs when a user is not found in the cache
type CachedResolver struct {
repo storage.Repository
emailLookup identity.EmailLookup
slackLookup identity.SlackLookup
logger zerolog.Logger
}
// NewCachedResolver creates a new cached identity resolver
func NewCachedResolver(
repo storage.Repository,
emailLookup identity.EmailLookup,
slackLookup identity.SlackLookup,
logger zerolog.Logger,
) *CachedResolver {
return &CachedResolver{
repo: repo,
emailLookup: emailLookup,
slackLookup: slackLookup,
logger: logger.With().Str("component", "identity-resolver").Logger(),
}
}
// Resolve returns the external identity for a Gitea user
// It follows this strategy:
// 1. Check DB by Gitea username - if found with Slack ID, return cached result
// 2. If not found, use Gitea API to get the real email (not the webhook email which may be noreply)
// 3. Lookup Slack by email
// 4. Cache the result for future lookups
func (r *CachedResolver) Resolve(ctx context.Context, user event.User) (*identity.ResolvedIdentity, error) {
logger := r.logger.With().
Str("gitea_username", user.GiteaUsername).
Str("webhook_email", user.Email).
Logger()
// Step 1: Try to find by Gitea username in cache
if user.GiteaUsername != "" {
dbUser, err := r.repo.GetUserByGiteaUsername(ctx, user.GiteaUsername)
if err == nil && dbUser.SlackID != "" {
logger.Debug().
Str("cached_email", dbUser.Email).
Str("slack_id", dbUser.SlackID).
Msg("found user in cache by username")
return &identity.ResolvedIdentity{
Email: dbUser.Email,
SlackID: dbUser.SlackID,
SlackName: dbUser.SlackName,
}, nil
}
if err != nil && !storage.IsNotFound(err) {
logger.Error().Err(err).Msg("error querying user by username")
}
}
// Step 2: Not in cache - need to lookup real email via Gitea API
// We don't trust the webhook email because it might be a noreply address
logger.Info().Msg("user not in cache, querying Gitea API for real email")
if user.GiteaUsername == "" {
return nil, fmt.Errorf("no username available to lookup user")
}
if r.emailLookup == nil {
return nil, fmt.Errorf("no email lookup provider configured")
}
// Get real email from Gitea API
email, err := r.emailLookup.LookupEmail(ctx, user.GiteaUsername)
if err != nil {
logger.Error().Err(err).Msg("failed to lookup email from Gitea API")
return nil, fmt.Errorf("looking up email for %s: %w", user.GiteaUsername, err)
}
logger.Info().Str("real_email", email).Msg("got real email from Gitea API")
// Step 3: Lookup Slack ID by real email
slackID, slackName, err := r.slackLookup.LookupSlackIDByEmail(ctx, email)
if err != nil {
logger.Warn().Err(err).Str("email", email).Msg("failed to lookup Slack ID")
return nil, fmt.Errorf("looking up Slack ID for %s: %w", email, err)
}
// Step 4: Cache the result
dbUser := &storage.User{
GiteaUsername: user.GiteaUsername,
GiteaID: user.GiteaID,
Email: strings.ToLower(email),
FullName: user.FullName,
SlackID: slackID,
SlackName: slackName,
}
if err := r.repo.UpsertUser(ctx, dbUser); err != nil {
logger.Error().Err(err).Msg("failed to cache user identity")
// Continue anyway, we have the identity
} else {
logger.Info().
Str("slack_id", slackID).
Str("slack_name", slackName).
Msg("cached user identity")
}
return &identity.ResolvedIdentity{
Email: email,
SlackID: slackID,
SlackName: slackName,
}, nil
}
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package gitea
import (
"context"
"encoding/json"
"fmt"
"net/http"
"time"
"github.com/rs/zerolog"
"github.com/vincentc-afk/gitea-notification-hub/internal/config"
)
// GiteaUser represents a user from Gitea API
type GiteaUser struct {
ID int64 `json:"id"`
Login string `json:"login"`
FullName string `json:"full_name"`
Email string `json:"email"`
AvatarURL string `json:"avatar_url"`
}
// Provider implements email lookup via Gitea API
type Provider struct {
baseURL string
token string
httpClient *http.Client
logger zerolog.Logger
}
// New creates a new Gitea API provider
func New(cfg *config.GiteaConfig, logger zerolog.Logger) *Provider {
return &Provider{
baseURL: cfg.URL,
token: cfg.Token,
httpClient: &http.Client{
Timeout: 10 * time.Second,
},
logger: logger.With().Str("component", "gitea-provider").Logger(),
}
}
// LookupEmail fetches the real email for a Gitea username via API
func (p *Provider) LookupEmail(ctx context.Context, username string) (string, error) {
url := fmt.Sprintf("%s/api/v1/users/%s", p.baseURL, username)
req, err := http.NewRequestWithContext(ctx, http.MethodGet, url, nil)
if err != nil {
return "", fmt.Errorf("creating request: %w", err)
}
// Add authorization header if token is provided
if p.token != "" {
req.Header.Set("Authorization", "token "+p.token)
}
req.Header.Set("Accept", "application/json")
resp, err := p.httpClient.Do(req)
if err != nil {
return "", fmt.Errorf("fetching user from Gitea: %w", err)
}
defer resp.Body.Close()
if resp.StatusCode == http.StatusNotFound {
return "", fmt.Errorf("user %s not found in Gitea", username)
}
if resp.StatusCode != http.StatusOK {
return "", fmt.Errorf("Gitea API returned status %d", resp.StatusCode)
}
var user GiteaUser
if err := json.NewDecoder(resp.Body).Decode(&user); err != nil {
return "", fmt.Errorf("decoding Gitea response: %w", err)
}
if user.Email == "" {
return "", fmt.Errorf("user %s has no email in Gitea", username)
}
p.logger.Debug().
Str("username", username).
Str("email", user.Email).
Str("full_name", user.FullName).
Msg("found user email via Gitea API")
return user.Email, nil
}
// GetUser fetches full user info from Gitea API
func (p *Provider) GetUser(ctx context.Context, username string) (*GiteaUser, error) {
url := fmt.Sprintf("%s/api/v1/users/%s", p.baseURL, username)
req, err := http.NewRequestWithContext(ctx, http.MethodGet, url, nil)
if err != nil {
return nil, fmt.Errorf("creating request: %w", err)
}
if p.token != "" {
req.Header.Set("Authorization", "token "+p.token)
}
req.Header.Set("Accept", "application/json")
resp, err := p.httpClient.Do(req)
if err != nil {
return nil, fmt.Errorf("fetching user from Gitea: %w", err)
}
defer resp.Body.Close()
if resp.StatusCode == http.StatusNotFound {
return nil, fmt.Errorf("user %s not found in Gitea", username)
}
if resp.StatusCode != http.StatusOK {
return nil, fmt.Errorf("Gitea API returned status %d", resp.StatusCode)
}
var user GiteaUser
if err := json.NewDecoder(resp.Body).Decode(&user); err != nil {
return nil, fmt.Errorf("decoding Gitea response: %w", err)
}
return &user, nil
}
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package identity
import (
"context"
"github.com/vincentc-afk/gitea-notification-hub/internal/event"
)
// ResolvedIdentity represents a resolved external identity
type ResolvedIdentity struct {
Email string `json:"email"`
SlackID string `json:"slack_id"`
SlackName string `json:"slack_name"`
}
// Resolver resolves Gitea users to external identities (e.g., Slack)
// This interface allows for different identity providers (Gitea API, LDAP, etc.)
type Resolver interface {
// Resolve returns the external identity for a Gitea user
Resolve(ctx context.Context, user event.User) (*ResolvedIdentity, error)
}
// EmailLookup provides email lookup functionality
type EmailLookup interface {
// LookupEmail looks up a user's email address by username
LookupEmail(ctx context.Context, username string) (string, error)
}
// SlackLookup provides Slack user lookup functionality
type SlackLookup interface {
// LookupSlackIDByEmail finds a Slack user ID by email
LookupSlackIDByEmail(ctx context.Context, email string) (slackID, slackName string, err error)
}