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feat: add comments and cleanup unused imports across codebase

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mkelvers
2026-05-10 20:00:04 +02:00
parent b152e246ff
commit e48d95cb4e
68 changed files with 560 additions and 88 deletions
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12
api/playback/provider_extractor.go
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@@ -25,6 +25,7 @@ func newProviderExtractor() *providerExtractor {
}
}
// ExtractVideoLinks fetches provider page and returns stream sources.
func (e *providerExtractor) ExtractVideoLinks(ctx context.Context, providerPath string) ([]StreamSource, error) {
endpoint := e.baseURL + providerPath
@@ -52,7 +53,7 @@ func (e *providerExtractor) ExtractVideoLinks(ctx context.Context, providerPath
defer resp.Body.Close()
body, err := io.ReadAll(io.LimitReader(resp.Body, 2*1024*1024))
body, err := io.ReadAll(io.LimitReader(resp.Body, 2*1024*1024)) // 2MB limit
if err != nil {
return nil, fmt.Errorf("read provider response: %w", err)
}
@@ -60,10 +61,12 @@ func (e *providerExtractor) ExtractVideoLinks(ctx context.Context, providerPath
return e.parseProviderResponse(ctx, string(body))
}
// parseProviderResponse extracts stream sources from provider JSON response.
func (e *providerExtractor) parseProviderResponse(ctx context.Context, response string) ([]StreamSource, error) {
sources := make([]StreamSource, 0)
providerReferer := e.referer
// extract per-source referer if present
refererPattern := regexp.MustCompile(`"Referer":"([^"]+)"`)
if match := refererPattern.FindStringSubmatch(response); len(match) >= 2 {
providerReferer = strings.ReplaceAll(match[1], `\/`, "/")
@@ -72,6 +75,7 @@ func (e *providerExtractor) parseProviderResponse(ctx context.Context, response
providerReferer = e.referer
}
// extract direct link sources (mp4/embed)
linkPattern := regexp.MustCompile(`"link":"([^"]+)","resolutionStr":"([^"]+)"`)
for _, match := range linkPattern.FindAllStringSubmatch(response, -1) {
if len(match) < 3 {
@@ -94,6 +98,7 @@ func (e *providerExtractor) parseProviderResponse(ctx context.Context, response
})
}
// extract HLS playlist sources
hlsPattern := regexp.MustCompile(`"url":"([^"]+)","hardsub_lang":"en-US"`)
for _, match := range hlsPattern.FindAllStringSubmatch(response, -1) {
if len(match) < 2 {
@@ -118,6 +123,7 @@ func (e *providerExtractor) parseProviderResponse(ctx context.Context, response
})
}
// extract subtitles and attach to all sources
subtitlePattern := regexp.MustCompile(`"subtitles":\[(.*?)\]`)
if subtitleMatch := subtitlePattern.FindStringSubmatch(response); len(subtitleMatch) >= 2 {
subtitles := make([]Subtitle, 0)
@@ -143,6 +149,7 @@ func (e *providerExtractor) parseProviderResponse(ctx context.Context, response
return sources, nil
}
// parseM3U8 fetches a master playlist and extracts individual stream URLs with bandwidth-derived quality.
func (e *providerExtractor) parseM3U8(ctx context.Context, masterURL string, referer string) ([]StreamSource, error) {
resp, err := doProxiedRequest(ctx, e.httpClient, masterURL, referer)
if err != nil {
@@ -150,7 +157,7 @@ func (e *providerExtractor) parseM3U8(ctx context.Context, masterURL string, ref
}
defer resp.Body.Close()
body, err := io.ReadAll(io.LimitReader(resp.Body, 512*1024))
body, err := io.ReadAll(io.LimitReader(resp.Body, 512*1024)) // 512KB limit
if err != nil {
return nil, err
}
@@ -178,6 +185,7 @@ func (e *providerExtractor) parseM3U8(ctx context.Context, masterURL string, ref
continue
}
// skip empty lines and non-stream lines
if trimmed == "" || strings.HasPrefix(trimmed, "#") {
continue
}