[{"_1":2,"_172":-5,"_173":-5},"loaderData",{"_3":4,"_91":92},"root",{"_5":6,"_34":35,"_64":65},"ctx",{"_7":8,"_23":-5,"_24":25,"_26":27,"_28":20,"_29":20,"_30":20,"_31":32,"_33":20},"auth",{"_9":-5,"_10":-5,"_11":-5,"_12":-5,"_13":-5,"_14":-5,"_15":-5,"_16":-5,"_17":-5,"_18":-5,"_19":20,"_21":22},"sessionClaims","sessionId","sessionStatus","userId","actor","orgId","orgRole","orgSlug","orgPermissions","factorVerificationAge","isAuthenticated",false,"tokenType","session_token","user","preferencesKeybindings","default","preferencesTheme","light","preferencesFixers","preferencesCopilot","preferencesSelectionAi","notificationCount",0,"flagDenols","ENV",{"_36":37,"_38":39,"_40":41,"_42":43,"_44":45,"_46":47,"_48":49,"_50":51,"_52":53,"_54":55,"_56":57,"_58":59,"_60":61,"_62":63},"REACT_APP_SENTRY_DSN","https://586020d86f05489db63a554690acf1e9@o1398359.ingest.sentry.io/6724499","VAL_RUNTIME_NAME","prod","RENDER_GIT_COMMIT","7037b4412b49b7328160fa57e59f17dfe8779fc7","RENDER_GIT_BRANCH","main","CLERK_PUBLISHABLE_KEY","pk_live_Y2xlcmsudmFsLnRvd24k","POSTHOG_API_TOKEN","phc_nmoyuAkStEZuUp69rYlg1DZgrIt19Gx0Y4Hwf8tGgJP","POSTHOG_API_HOST","https://wart.val.town","WEB_API_TEMPLATE","https://{val}.web.val.run","APP_URL","https://www.val.town","MODULE_URL","https://esm.town","VANITY_WEB_API_TEMPLATE","https://{label}.val.run/","DENOLS_URL","https://lsp.val.town","NODE_ENV","production","API_URL","https://api.val.town","clerkState",{"_66":67},"__internal_clerk_state",{"_68":69,"_70":45,"_71":72,"_73":72,"_74":20,"_75":72,"_76":72,"_77":72,"_78":72,"_79":80,"_89":20,"_90":20},"__clerk_ssr_state",{"_21":22,"_9":-5,"_10":-5,"_11":-5,"_12":-5,"_13":-5,"_14":-5,"_15":-5,"_16":-5,"_17":-5,"_18":-5,"_19":20},"__publishableKey","__proxyUrl","","__domain","__isSatellite","__signInUrl","__signUpUrl","__afterSignInUrl","__afterSignUpUrl","__clerk_debug",{"_81":20,"_19":20,"_82":72,"_83":84,"_85":72,"_86":45,"_87":20,"_88":72},"isSignedIn","proxyUrl","reason","session-token-and-uat-missing","message","publishableKey","isSatellite","domain","__telemetryDisabled","__telemetryDebug","routes/embed.x.$handle.$name.$",{"_93":94,"_95":96,"_97":98,"_99":100,"_146":147,"_169":170,"_171":-5},"handle","netrist","name","skib","path","backend/proxy/rewriter.ts","project",{"_101":102,"_95":96,"_103":104,"_105":-5,"_106":20,"_107":108,"_109":-5,"_110":-5,"_12":111,"_112":-5,"_113":20,"_114":-5,"_115":32,"_14":116,"_117":118,"_119":118,"_120":121,"_122":121,"_123":121,"_124":118,"_125":118,"_23":126,"_129":130,"_132":133,"_145":20},"id","3b1ced04-386e-11f0-a0c9-9e149126039e","createdAt",["D",1748070653777],"deletedAt","legacyEnvVars","privacy","public","description","imageUrl","290b74a0-386e-11f0-ab3b-07953c434cde","pinnedFileId","pinPreview","screenshotVersion","likeCount","4513324e-a2f4-40e1-8ed2-95607fb702de","userPerm","r","valPerm","blobPerm","rw","emailPerm","sqlitePerm","projectPerm","telemetryPerm",{"_93":94,"_127":128},"profileImageUrl","https://img.clerk.com/eyJ0eXBlIjoicHJveHkiLCJzcmMiOiJodHRwczovL2ltYWdlcy5jbGVyay5kZXYvb2F1dGhfZ2l0aHViL2ltZ18yeFgzVnBvYVNGQzhEaUhFenpBUUZhQ0JlZlAifQ","org",{"_93":94,"_131":128,"_12":111},"avatar","branch",{"_134":135,"_95":43,"_101":136,"_137":102,"_138":-5,"_139":-5,"_140":-5,"_141":-5,"_142":-5,"_143":96,"_144":94},"version",13,"3b1d3322-386e-11f0-a0c9-9e149126039e","projectId","forkedBranchId","forkedBranchVersion","forkedProjectPrivacy","forkedProjectId","forkedProjectOrgId","projectName","userHandle","isOwned","file",{"_101":148,"_95":149,"_150":151,"_152":153,"_154":136,"_155":156,"_157":158,"_103":159,"_134":32,"_160":161,"_162":163,"_164":20,"_165":-5,"_97":166},"8a0b87a4-386e-11f0-8f30-9e149126039e","rewriter.ts","fileId","8a0b8844-386e-11f0-8f30-9e149126039e","parentId","159a86de-b91a-4ec8-8b1f-4c46fc7225a4","branchId","branchVersion",5,"latest",true,["D",1748070786201],"fileType","script","content","// Content rewriting engine for HTML, CSS, and JavaScript\n\nimport { ProxyEncoder } from './encoder.ts';\nimport { RewriteContext } from '../../shared/types.ts';\nimport { SITE_CONFIGS } from '../../shared/constants.ts';\n\nexport class ContentRewriter {\n \n /**\n * Rewrite HTML content for proxy compatibility\n */\n static rewriteHtml(html: string, context: RewriteContext): string {\n let rewritten = html;\n \n // Rewrite URLs in HTML attributes\n rewritten = ProxyEncoder.rewriteUrls(rewritten, context.baseUrl, context.proxyUrl);\n \n // Inject proxy-specific scripts and styles\n if (context.isMainFrame) {\n rewritten = this.injectProxyAssets(rewritten, context);\n }\n \n // Handle special site configurations\n const domain = ProxyEncoder.extractDomain(context.baseUrl);\n const siteConfig = Object.entries(SITE_CONFIGS).find(([key]) => domain.includes(key))?.[1];\n \n if (siteConfig?.specialHandling) {\n rewritten = this.applySiteSpecificRewrites(rewritten, domain, context);\n }\n \n // Fix common compatibility issues\n rewritten = this.fixCompatibilityIssues(rewritten, context);\n \n return rewritten;\n }\n \n /**\n * Rewrite CSS content for proxy compatibility\n */\n static rewriteCss(css: string, context: RewriteContext): string {\n let rewritten = css;\n \n // Rewrite URLs in CSS\n rewritten = ProxyEncoder.rewriteUrls(rewritten, context.baseUrl, context.proxyUrl);\n \n // Fix @import statements\n rewritten = rewritten.replace(\n /@import\\s+(?:url\\s*\\()?\\s*[\"']?([^\"')]+)[\"']?\\s*\\)?/gi,\n (match, url) => {\n try {\n const absoluteUrl = new URL(url, context.baseUrl).href;\n const encoded = ProxyEncoder.encodeUrl(absoluteUrl);\n return match.replace(url, `${context.proxyUrl}${encoded}`);\n } catch {\n return match;\n }\n }\n );\n \n return rewritten;\n }\n \n /**\n * Rewrite JavaScript content for proxy compatibility\n */\n static rewriteJavaScript(js: string, context: RewriteContext): string {\n let rewritten = js;\n \n // Inject proxy globals at the beginning\n const proxyGlobals = this.generateProxyGlobals(context);\n rewritten = proxyGlobals + '\\n' + rewritten;\n \n // Rewrite common URL-related JavaScript patterns\n rewritten = this.rewriteJsUrls(rewritten, context);\n \n // Handle fetch and XMLHttpRequest\n rewritten = this.rewriteNetworkCalls(rewritten, context);\n \n return rewritten;\n }\n \n /**\n * Inject proxy-specific assets into HTML\n */\n private static injectProxyAssets(html: string, context: RewriteContext): string {\n const proxyScript = `\n \n `;\n \n // Inject before closing head tag, or at the beginning if no head\n if (html.includes('')) {\n return html.replace('', proxyScript + '');\n } else {\n return proxyScript + html;\n }\n }\n \n /**\n * Generate proxy globals for JavaScript injection\n */\n private static generateProxyGlobals(context: RewriteContext): string {\n return `\n // Proxy globals\n (function() {\n if (typeof window !== 'undefined') {\n window.__PROXY_BASE__ = '${context.baseUrl}';\n window.__PROXY_URL__ = '${context.proxyUrl}';\n \n // Helper function to encode URLs for proxy\n window.__proxyEncode__ = function(url) {\n try {\n const absoluteUrl = new URL(url, window.__PROXY_BASE__).href;\n return window.__PROXY_URL__ + btoa(absoluteUrl).replace(/\\\\+/g, '-').replace(/\\\\//g, '_').replace(/=/g, '');\n } catch (e) {\n return url;\n }\n };\n }\n })();\n `;\n }\n \n /**\n * Rewrite URL-related JavaScript patterns\n */\n private static rewriteJsUrls(js: string, context: RewriteContext): string {\n // This is a simplified version - in production you'd want more sophisticated parsing\n return js.replace(\n /([\"'])https?:\\/\\/[^\"']+\\1/gi,\n (match) => {\n try {\n const url = match.slice(1, -1); // Remove quotes\n const absoluteUrl = new URL(url, context.baseUrl).href;\n const encoded = ProxyEncoder.encodeUrl(absoluteUrl);\n return `\"${context.proxyUrl}${encoded}\"`;\n } catch {\n return match;\n }\n }\n );\n }\n \n /**\n * Rewrite network calls (fetch, XMLHttpRequest)\n */\n private static rewriteNetworkCalls(js: string, context: RewriteContext): string {\n // Inject fetch wrapper\n const fetchWrapper = `\n if (typeof fetch !== 'undefined') {\n const originalFetch = fetch;\n fetch = function(input, init) {\n if (typeof input === 'string' && !input.startsWith('data:') && !input.startsWith('blob:')) {\n try {\n const absoluteUrl = new URL(input, window.__PROXY_BASE__ || '${context.baseUrl}').href;\n const encoded = btoa(absoluteUrl).replace(/\\\\+/g, '-').replace(/\\\\//g, '_').replace(/=/g, '');\n input = '${context.proxyUrl}' + encoded;\n } catch (e) {\n console.warn('Failed to proxy fetch URL:', input);\n }\n }\n return originalFetch.call(this, input, init);\n };\n }\n `;\n \n return fetchWrapper + js;\n }\n \n /**\n * Apply site-specific rewrites\n */\n private static applySiteSpecificRewrites(html: string, domain: string, context: RewriteContext): string {\n let rewritten = html;\n \n if (domain.includes('youtube.com')) {\n // YouTube-specific fixes\n rewritten = rewritten.replace(\n /]*>/gi,\n (match) => match + `\n // YouTube compatibility fixes\n if (typeof ytInitialData !== 'undefined') {\n console.log('YouTube data detected, applying proxy fixes');\n }\n `\n );\n }\n \n if (domain.includes('tiktok.com')) {\n // TikTok-specific fixes\n rewritten = rewritten.replace(\n '',\n ``\n );\n }\n \n return rewritten;\n }\n \n /**\n * Fix common compatibility issues\n */\n private static fixCompatibilityIssues(html: string, context: RewriteContext): string {\n let fixed = html;\n \n // Fix relative protocol URLs\n fixed = fixed.replace(/src=\"\\/\\//g, 'src=\"https://');\n fixed = fixed.replace(/href=\"\\/\\//g, 'href=\"https://');\n \n // Fix meta refresh redirects\n fixed = fixed.replace(\n /]+http-equiv=[\"']refresh[\"'][^>]*content=[\"'](\\d+);url=([^\"']+)[\"'][^>]*>/gi,\n (match, delay, url) => {\n try {\n const absoluteUrl = new URL(url, context.baseUrl).href;\n const encoded = ProxyEncoder.encodeUrl(absoluteUrl);\n return match.replace(url, `${context.proxyUrl}${encoded}`);\n } catch {\n return match;\n }\n }\n );\n \n return fixed;\n }\n}","deleted","label",[167,168,149],"backend","proxy","permalink","https://www.val.town/x/netrist/skib/code/backend/proxy/rewriter.ts","extension","actionData","errors"]