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Merge pull request #202 from sonroyaalmerol/sessions
Add a memory session to retain tested indexes across requests
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,73 @@ | ||
| package store | ||
|
|
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| import ( | ||
| "m3u-stream-merger/utils" | ||
| "net/http" | ||
| "os" | ||
| "sync" | ||
| "time" | ||
| ) | ||
|
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| type Session struct { | ||
| ID string | ||
| CreatedAt time.Time | ||
| TestedIndexes []int | ||
| } | ||
|
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| var sessionStore = struct { | ||
| sync.RWMutex | ||
| sessions map[string]Session | ||
| }{sessions: make(map[string]Session)} | ||
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| func GetOrCreateSession(r *http.Request) Session { | ||
| debug := os.Getenv("DEBUG") == "true" | ||
| fingerprint := utils.GenerateFingerprint(r) | ||
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| sessionStore.RLock() | ||
| session, exists := sessionStore.sessions[fingerprint] | ||
| sessionStore.RUnlock() | ||
| if exists { | ||
| if debug { | ||
| utils.SafeLogf("[DEBUG] Existing session found: %s\n", fingerprint) | ||
| } | ||
| return session | ||
| } | ||
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| session = Session{ | ||
| ID: fingerprint, | ||
| CreatedAt: time.Now(), | ||
| TestedIndexes: []int{}, | ||
| } | ||
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| sessionStore.Lock() | ||
| sessionStore.sessions[session.ID] = session | ||
| sessionStore.Unlock() | ||
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| if debug { | ||
| utils.SafeLogf("[DEBUG] Generating new session: %s\n", fingerprint) | ||
| } | ||
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| return session | ||
| } | ||
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| func ClearSessionStore() { | ||
| sessionStore.Lock() | ||
| for k := range sessionStore.sessions { | ||
| delete(sessionStore.sessions, k) | ||
| } | ||
| sessionStore.Unlock() | ||
| } | ||
|
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| func (s *Session) SetTestedIndexes(indexes []int) { | ||
| debug := os.Getenv("DEBUG") == "true" | ||
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| s.TestedIndexes = indexes | ||
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| if debug { | ||
| utils.SafeLogf("[DEBUG] Setting tested indexes for session - %s: %v\n", s.ID, s.TestedIndexes) | ||
| } | ||
|
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| sessionStore.Lock() | ||
| sessionStore.sessions[s.ID] = *s | ||
| sessionStore.Unlock() | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,34 @@ | ||
| package utils | ||
|
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| import ( | ||
| "crypto/sha256" | ||
| "encoding/hex" | ||
| "fmt" | ||
| "net/http" | ||
| "os" | ||
| "strings" | ||
| ) | ||
|
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| func GenerateFingerprint(r *http.Request) string { | ||
| debug := os.Getenv("DEBUG") == "true" | ||
|
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| // Collect relevant attributes | ||
| ip := strings.Split(r.RemoteAddr, ":")[0] | ||
| if xff := r.Header.Get("X-Forwarded-For"); xff != "" { | ||
| ip = xff | ||
| } | ||
| userAgent := r.Header.Get("User-Agent") | ||
| accept := r.Header.Get("Accept") | ||
| acceptLang := r.Header.Get("Accept-Language") | ||
| path := r.URL.Path | ||
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| // Combine into a single string | ||
| data := fmt.Sprintf("%s|%s|%s|%s|%s", ip, userAgent, accept, acceptLang, path) | ||
| if debug { | ||
| SafeLogf("[DEBUG] Generating fingerprint from: %s\n", data) | ||
| } | ||
|
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| // Hash the string for a compact, fixed-length identifier | ||
| hash := sha256.Sum256([]byte(data)) | ||
| return hex.EncodeToString(hash[:]) | ||
| } |