eduard256
387f252b9d
- Update module path from github.com/strix-project/strix to github.com/eduard256/Strix - Update all Go imports to use new repository path - Update documentation links in README.md and CHANGELOG.md - Update GitHub URLs in .goreleaser.yaml - Fix placeholder documentation URL in DATABASE_FORMAT.md - Remove old log files
433 lines
12 KiB
Go
433 lines
12 KiB
Go
package stream
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import (
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"encoding/base64"
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"fmt"
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"net/url"
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"regexp"
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"strconv"
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"strings"
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"github.com/eduard256/Strix/internal/models"
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)
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// Builder handles stream URL construction
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type Builder struct {
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queryParams []string
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logger interface{ Debug(string, ...any) }
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}
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// NewBuilder creates a new stream URL builder
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func NewBuilder(queryParams []string, logger interface{ Debug(string, ...any) }) *Builder {
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return &Builder{
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queryParams: queryParams,
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logger: logger,
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}
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}
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// BuildContext contains parameters for URL building
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type BuildContext struct {
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IP string
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Port int
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Username string
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Password string
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Channel int
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Width int
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Height int
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Protocol string
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Path string
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}
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// BuildURL builds a complete URL from an entry and context
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func (b *Builder) BuildURL(entry models.CameraEntry, ctx BuildContext) string {
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b.logger.Debug("BuildURL called",
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"entry_type", entry.Type,
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"entry_url", entry.URL,
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"entry_port", entry.Port,
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"entry_protocol", entry.Protocol,
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"ctx_ip", ctx.IP,
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"ctx_port", ctx.Port,
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"ctx_username", ctx.Username,
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"ctx_channel", ctx.Channel)
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// Set defaults
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if ctx.Width == 0 {
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ctx.Width = 640
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}
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if ctx.Height == 0 {
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ctx.Height = 480
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}
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// NOTE: Channel default is 0 - will only be used for [CHANNEL] placeholder replacement
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// Literal channel values in URLs (like "channel=1") are preserved as-is
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// Use entry's port if not specified
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if ctx.Port == 0 {
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ctx.Port = entry.Port
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// If entry port is also 0, use default port for the protocol
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if ctx.Port == 0 {
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// Use entry's protocol if not specified for port determination
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protocol := ctx.Protocol
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if protocol == "" {
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protocol = entry.Protocol
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}
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switch protocol {
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case "http":
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ctx.Port = 80
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case "https":
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ctx.Port = 443
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case "rtsp", "rtsps":
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ctx.Port = 554
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default:
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ctx.Port = 80 // Default to 80 if unknown
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}
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b.logger.Debug("using default port for protocol",
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"protocol", protocol,
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"default_port", ctx.Port)
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}
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}
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// Use entry's protocol if not specified
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if ctx.Protocol == "" {
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ctx.Protocol = entry.Protocol
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}
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// Replace placeholders in URL path
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path := b.replacePlaceholders(entry.URL, ctx)
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b.logger.Debug("placeholders replaced", "original", entry.URL, "after_replacement", path)
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// Build the complete URL
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var fullURL string
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// Check if the URL already contains authentication parameters
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hasAuthInURL := b.hasAuthenticationParams(path)
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b.logger.Debug("auth params detection", "has_auth_in_url", hasAuthInURL, "path", path)
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switch ctx.Protocol {
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case "rtsp":
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if ctx.Username != "" && ctx.Password != "" && !hasAuthInURL {
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// Standard ports can be omitted
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if ctx.Port == 554 {
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fullURL = fmt.Sprintf("rtsp://%s:%s@%s/%s",
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ctx.Username, ctx.Password, ctx.IP, path)
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} else {
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fullURL = fmt.Sprintf("rtsp://%s:%s@%s:%d/%s",
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ctx.Username, ctx.Password, ctx.IP, ctx.Port, path)
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}
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} else {
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if ctx.Port == 554 {
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fullURL = fmt.Sprintf("rtsp://%s/%s", ctx.IP, path)
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} else {
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fullURL = fmt.Sprintf("rtsp://%s:%d/%s", ctx.IP, ctx.Port, path)
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}
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}
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case "http", "https":
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// For HTTP, check if auth should be in URL or parameters
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if ctx.Username != "" && ctx.Password != "" && !hasAuthInURL {
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// Don't put auth in URL for HTTP, will use Basic Auth header
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if (ctx.Protocol == "http" && ctx.Port == 80) ||
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(ctx.Protocol == "https" && ctx.Port == 443) {
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fullURL = fmt.Sprintf("%s://%s/%s", ctx.Protocol, ctx.IP, path)
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} else {
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fullURL = fmt.Sprintf("%s://%s:%d/%s", ctx.Protocol, ctx.IP, ctx.Port, path)
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}
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} else {
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if (ctx.Protocol == "http" && ctx.Port == 80) ||
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(ctx.Protocol == "https" && ctx.Port == 443) {
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fullURL = fmt.Sprintf("%s://%s/%s", ctx.Protocol, ctx.IP, path)
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} else {
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fullURL = fmt.Sprintf("%s://%s:%d/%s", ctx.Protocol, ctx.IP, ctx.Port, path)
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}
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}
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default:
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// Generic URL construction
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fullURL = fmt.Sprintf("%s://%s:%d/%s", ctx.Protocol, ctx.IP, ctx.Port, path)
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}
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// Clean up double slashes (except after protocol://)
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fullURL = b.cleanURL(fullURL)
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b.logger.Debug("BuildURL complete",
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"final_url", fullURL,
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"entry_type", entry.Type,
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"entry_url_pattern", entry.URL,
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"protocol", ctx.Protocol,
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"port", ctx.Port,
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"has_auth_in_url", hasAuthInURL)
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return fullURL
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}
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// replacePlaceholders replaces all placeholders in the URL
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func (b *Builder) replacePlaceholders(urlPath string, ctx BuildContext) string {
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result := urlPath
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// Generate base64 auth for [AUTH] placeholder
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auth := ""
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if ctx.Username != "" && ctx.Password != "" {
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auth = base64.StdEncoding.EncodeToString([]byte(ctx.Username + ":" + ctx.Password))
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}
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// Common placeholders
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replacements := map[string]string{
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"[CHANNEL]": strconv.Itoa(ctx.Channel),
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"[channel]": strconv.Itoa(ctx.Channel),
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"{channel}": strconv.Itoa(ctx.Channel), // BUBBLE protocol uses {channel}
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"{CHANNEL}": strconv.Itoa(ctx.Channel),
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"[WIDTH]": strconv.Itoa(ctx.Width),
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"[width]": strconv.Itoa(ctx.Width),
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"[HEIGHT]": strconv.Itoa(ctx.Height),
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"[height]": strconv.Itoa(ctx.Height),
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"[USERNAME]": ctx.Username,
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"[username]": ctx.Username,
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"[PASSWORD]": ctx.Password,
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"[password]": ctx.Password,
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"[PASWORD]": ctx.Password, // Handle typo in database
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"[pasword]": ctx.Password,
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"[USER]": ctx.Username,
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"[user]": ctx.Username,
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"[PASS]": ctx.Password,
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"[pass]": ctx.Password,
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"[PWD]": ctx.Password,
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"[pwd]": ctx.Password,
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"[IP]": ctx.IP,
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"[ip]": ctx.IP,
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"[PORT]": strconv.Itoa(ctx.Port),
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"[port]": strconv.Itoa(ctx.Port),
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"[AUTH]": auth, // base64(username:password) for basic auth
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"[auth]": auth,
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"[TOKEN]": "", // Empty for now
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"[token]": "",
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}
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// Replace all placeholders
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for placeholder, value := range replacements {
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result = strings.ReplaceAll(result, placeholder, value)
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}
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// Handle query parameter placeholders (only for auth params)
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result = b.replaceQueryParams(result, ctx)
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return result
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}
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// replaceQueryParams handles query parameter replacements
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func (b *Builder) replaceQueryParams(urlPath string, ctx BuildContext) string {
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// Parse URL to handle query params
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parts := strings.SplitN(urlPath, "?", 2)
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if len(parts) < 2 {
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return urlPath
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}
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basePath := parts[0]
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queryString := parts[1]
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// Parse query parameters
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params, err := url.ParseQuery(queryString)
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if err != nil {
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return urlPath
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}
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// ONLY replace authentication parameters
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// DO NOT replace channel, width, height - they should stay as-is from URL patterns
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for key := range params {
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lowerKey := strings.ToLower(key)
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switch lowerKey {
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case "user", "username", "usr", "loginuse":
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params.Set(key, ctx.Username)
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case "password", "pass", "pwd", "loginpas", "passwd":
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params.Set(key, ctx.Password)
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// Removed: channel, width, height replacements - they were breaking working URLs
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}
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}
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// Rebuild URL
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return basePath + "?" + params.Encode()
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}
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// hasAuthenticationParams checks if URL contains auth parameters
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func (b *Builder) hasAuthenticationParams(urlPath string) bool {
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authParams := []string{
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"user=", "username=", "usr=", "loginuse=",
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"password=", "pass=", "pwd=", "loginpas=", "passwd=",
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}
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lowerPath := strings.ToLower(urlPath)
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for _, param := range authParams {
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if strings.Contains(lowerPath, param) {
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return true
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}
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}
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return false
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}
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// cleanURL cleans up the URL
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func (b *Builder) cleanURL(fullURL string) string {
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// Remove double slashes except after protocol://
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protocolEnd := strings.Index(fullURL, "://")
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if protocolEnd > 0 {
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protocol := fullURL[:protocolEnd+3]
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rest := fullURL[protocolEnd+3:]
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// Replace multiple slashes with single slash
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rest = regexp.MustCompile(`/{2,}`).ReplaceAllString(rest, "/")
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return protocol + rest
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}
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return fullURL
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}
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// BuildURLsFromEntry generates all possible URLs from a camera entry
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func (b *Builder) BuildURLsFromEntry(entry models.CameraEntry, ctx BuildContext) []string {
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urlMap := make(map[string]bool)
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var urls []string
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// Helper to add unique URLs
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addURL := func(url string) {
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if !urlMap[url] {
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urls = append(urls, url)
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urlMap[url] = true
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}
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}
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switch entry.Protocol {
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case "bubble":
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// BUBBLE protocol: proprietary Chinese NVR/DVR protocol
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// Always use HTTP with embedded credentials
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if ctx.Username != "" && ctx.Password != "" {
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// Build HTTP URL with credentials embedded
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ctxHTTP := ctx
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ctxHTTP.Protocol = "http"
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baseURL := b.BuildURL(entry, ctxHTTP)
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// Parse and add credentials to URL
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if u, err := url.Parse(baseURL); err == nil {
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u.User = url.UserPassword(ctx.Username, ctx.Password)
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addURL(u.String())
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}
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} else {
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// No credentials - try anyway (some cameras might work)
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ctxHTTP := ctx
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ctxHTTP.Protocol = "http"
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addURL(b.BuildURL(entry, ctxHTTP))
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}
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case "rtsp", "rtsps":
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// For RTSP: generate with and without credentials
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if ctx.Username != "" && ctx.Password != "" {
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addURL(b.BuildURL(entry, ctx))
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}
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// Without credentials (for open cameras)
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ctxNoAuth := ctx
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ctxNoAuth.Username = ""
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ctxNoAuth.Password = ""
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addURL(b.BuildURL(entry, ctxNoAuth))
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case "http", "https":
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// For HTTP/HTTPS: ALWAYS generate 4 authentication variants
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if ctx.Username != "" && ctx.Password != "" {
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// 1. No authentication
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ctxNoAuth := ctx
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ctxNoAuth.Username = ""
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ctxNoAuth.Password = ""
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urlNoAuth := b.BuildURL(entry, ctxNoAuth)
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addURL(urlNoAuth)
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// 2. Basic Auth only (embedded credentials)
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urlBasic := b.BuildURL(entry, ctxNoAuth) // Use clean URL
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if u, err := url.Parse(urlBasic); err == nil {
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u.User = url.UserPassword(ctx.Username, ctx.Password)
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addURL(u.String())
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}
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// 3. Query parameters only
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urlWithParams := b.BuildURL(entry, ctx) // This will replace placeholders if any
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// If URL has auth placeholders, they're already replaced
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if strings.Contains(entry.URL, "[USERNAME]") || strings.Contains(entry.URL, "[PASSWORD]") {
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addURL(urlWithParams)
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} else {
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// No placeholders - add query params for auth (don't overwrite existing params)
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if u, err := url.Parse(urlWithParams); err == nil {
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q := u.Query()
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// Add user/pwd if not already present
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if !q.Has("user") && !q.Has("usr") && !q.Has("username") {
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q.Set("user", ctx.Username)
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}
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if !q.Has("pwd") && !q.Has("password") && !q.Has("pass") {
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q.Set("pwd", ctx.Password)
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}
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u.RawQuery = q.Encode()
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addURL(u.String())
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// Try alternative names too
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q2 := url.Values{}
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for k, v := range u.Query() {
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q2[k] = v
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}
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if !q2.Has("username") && !q2.Has("user") && !q2.Has("usr") {
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q2.Set("username", ctx.Username)
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}
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if !q2.Has("password") && !q2.Has("pwd") && !q2.Has("pass") {
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q2.Set("password", ctx.Password)
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}
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u.RawQuery = q2.Encode()
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addURL(u.String())
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}
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}
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// 4. Basic Auth + Query parameters (combined)
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if strings.Contains(entry.URL, "[USERNAME]") || strings.Contains(entry.URL, "[PASSWORD]") {
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// URL has placeholders - add Basic Auth to the URL with replaced params
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if u, err := url.Parse(urlWithParams); err == nil {
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u.User = url.UserPassword(ctx.Username, ctx.Password)
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addURL(u.String())
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}
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} else {
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// No placeholders - add both Basic Auth and query params (without overwriting existing)
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if u, err := url.Parse(urlNoAuth); err == nil {
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u.User = url.UserPassword(ctx.Username, ctx.Password)
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q := u.Query()
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// Add auth params only if not already present
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if !q.Has("user") && !q.Has("usr") && !q.Has("username") {
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q.Set("user", ctx.Username)
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}
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if !q.Has("pwd") && !q.Has("password") && !q.Has("pass") {
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q.Set("pwd", ctx.Password)
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}
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u.RawQuery = q.Encode()
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addURL(u.String())
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}
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}
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} else {
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// No credentials provided - just one URL
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addURL(b.BuildURL(entry, ctx))
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}
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default:
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// Other protocols - single URL
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addURL(b.BuildURL(entry, ctx))
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}
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b.logger.Debug("BuildURLsFromEntry complete",
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"entry_url_pattern", entry.URL,
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"entry_type", entry.Type,
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"entry_protocol", entry.Protocol,
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"total_urls_generated", len(urls),
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"urls", urls)
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return urls
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} |