creek

commit eb038cb8050e02f99fc80904b9985f717ee7bafd
parent bfa770ef10c8d33e979114fbc40de9c06d8fb83c
Author: Krish-2512 <155168478+Krish-2512@users.noreply.github.com>
Date:   Wed, 26 Nov 2025 01:05:01 +0530

Merge pull request #4 from nilotpal-n7/Krish

chrome sharing added

Diffstat:

2 files changed, 132 insertions(+), 51 deletions(-)
diff --git a/lib/services/download_service.dart b/lib/services/download_service.dart
@@ -4,85 +4,166 @@ import 'package:http/http.dart' as http;
 import 'package:path_provider/path_provider.dart';
 import 'package:uuid/uuid.dart';
 import 'package:adobe/data/repos/image_repo.dart';
-import 'package:html/parser.dart' as parser; // Import the parser
+import 'package:html/parser.dart' as parser;
 
 class DownloadService {
   final _repo = ImageRepository();
   final _uuid = const Uuid();
 
+  String _unescapeUrl(String s) {
+    if (s.isEmpty) return s;
+    // unescape common JS/HTML escapes: \xNN, \uNNNN, \/, &
+    try {
+      s = s.replaceAll('\\/', '/');
+      s = s.replaceAll('&', '&');
+
+      s = s.replaceAllMapped(RegExp(r"\\x([0-9A-Fa-f]{2})"), (m) {
+        final code = int.parse(m.group(1)!, radix: 16);
+        return String.fromCharCode(code);
+      });
+
+      s = s.replaceAllMapped(RegExp(r"\\u([0-9A-Fa-f]{4})"), (m) {
+        final code = int.parse(m.group(1)!, radix: 16);
+        return String.fromCharCode(code);
+      });
+
+      // decode percent-encoding if present
+      try {
+        s = Uri.decodeFull(s);
+      } catch (_) {}
+    } catch (_) {}
+    return s;
+  }
+
   Future<String?> downloadAndSaveImage(String url) async {
     debugPrint("📥 START PROCESS: $url");
 
     try {
-      // 1. Initial Request
+      // Fetch URL
       var response = await http.get(
         Uri.parse(url),
         headers: {
-          'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36',
+          'User-Agent':
+              'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/91.0.4472.124 Safari/537.36',
         },
       );
 
-      if (response.statusCode != 200) return null;
+      if (response.statusCode != 200) {
+        debugPrint("❌ HTTP Error: ${response.statusCode}");
+        return null;
+      }
 
-      // 2. Check: Is it an Image or a Website?
       var contentType = response.headers['content-type'];
       debugPrint("🔹 Type: $contentType");
 
-      // CASE A: It is a WEBSITE (like Wikipedia, Pinterest, etc.)
+      
+      // CASE A → HTML webpage (NOT a direct image)
+      
       if (contentType != null && !contentType.startsWith('image/')) {
-        debugPrint("📄 It's a website. Looking for the real image inside...");
-
-        // Parse the HTML text
+        debugPrint("📄 It's a website. Extracting real image...");
         final document = parser.parse(response.body);
 
-        // Try to find the "Open Graph" image (Standard used by Wiki, Pinterest, Insta)
-        String? realImageUrl;
+       
+        // 1️⃣ GOOGLE PHOTOS / GOOGLEUSERCONTENT.COM
+       
+        RegExp googlePhotosRegex = RegExp(
+          r'https:\/\/lh3\.googleusercontent\.com\/[a-zA-Z0-9\-\._=]+'
+        );
+
+        var matchPhotos = googlePhotosRegex.firstMatch(response.body);
+        if (matchPhotos != null) {
+          String cdn = matchPhotos.group(0)!;
+
+          // Force highest resolution
+          cdn = _unescapeUrl(cdn);
+          cdn = cdn.split("=").first + "=s0";
+          debugPrint("📸 Google Photos Image Found: $cdn");
+
+          return downloadAndSaveImage(cdn);
+        }
+
+      
+        // 2️⃣ GOOGLE IMAGE SEARCH (encrypted-tbn / gstatic)
         
+       RegExp googleImageRegex = RegExp(
+          "https:\\/\\/(?:encrypted\\-tbn\\d\\.gstatic\\.com|(?:\\w+\\.)?gstatic\\.com)\\/[^\"'\\s<>]+",
+        );
+
+
+
+
+        var matchGImg = googleImageRegex.firstMatch(response.body);
+        if (matchGImg != null) {
+          String imgUrl = matchGImg.group(0)!;
+          imgUrl = _unescapeUrl(imgUrl);
+          debugPrint("🔍 Google Images Real URL: $imgUrl");
+
+          return downloadAndSaveImage(imgUrl);
+        }
+
+        // 3️⃣ GOOGLE VIEWER internal imageUrl='https://...'
+  
+        RegExp viewerImageRegex =
+            RegExp(r"imageUrl='(https:\/\/[^']+)'");
+
+        var viewerMatch = viewerImageRegex.firstMatch(response.body);
+        if (viewerMatch != null) {
+          String imgUrl = viewerMatch.group(1)!;
+          imgUrl = _unescapeUrl(imgUrl);
+          debugPrint("🖼️ Google Viewer Direct Image: $imgUrl");
+
+          return downloadAndSaveImage(imgUrl);
+        }
+
+        // 4️⃣ OG IMAGE → Pinterest / Instagram / Wikipedia
+
         final metaTags = document.getElementsByTagName('meta');
         for (var meta in metaTags) {
           if (meta.attributes['property'] == 'og:image') {
-            realImageUrl = meta.attributes['content'];
-            break;
+            String? ogImg = meta.attributes['content'];
+            if (ogImg != null) {
+              ogImg = _unescapeUrl(ogImg);
+              debugPrint("🎯 OG Image Found: $ogImg");
+              return downloadAndSaveImage(ogImg);
+            }
           }
         }
 
-        // If found, we must download THIS new URL
-        if (realImageUrl != null) {
-          debugPrint("🎯 Found Real Image: $realImageUrl");
-          // Recursively call this function with the REAL link
-          return downloadAndSaveImage(realImageUrl);
-        } else {
-          debugPrint("❌ Could not find an image inside this page.");
-          return null;
-        }
+        debugPrint("❌ No valid image found inside this page.");
+        return null;
       }
 
-      // CASE B: It is a REAL IMAGE (content-type is image/png, image/jpeg, etc.)
-      // Proceed to save it normally.
-      
+     
+      // CASE B → DIRECT IMAGE FILE (content-type starts with image/)
       final dir = await getApplicationDocumentsDirectory();
       final imagesDir = Directory('${dir.path}/images');
-      if (!await imagesDir.exists()) await imagesDir.create(recursive: true);
 
-      // Guess extension
-      String extension = 'png';
+      if (!await imagesDir.exists()) {
+        await imagesDir.create(recursive: true);
+      }
+
+      // Detect extension
+      String extension = "png";
       if (contentType != null) {
-        if (contentType.contains('jpg')) extension = 'jpg';
-        if (contentType.contains('gif')) extension = 'gif';
-        if (contentType.contains('webp')) extension = 'webp';
+        if (contentType.contains("jpeg") || contentType.contains("jpg")) {
+          extension = "jpg";
+        } else if (contentType.contains("gif")) {
+          extension = "gif";
+        } else if (contentType.contains("webp")) {
+          extension = "webp";
+        }
       }
 
-      final String imageId = _uuid.v4();
-      final String filePath = '${imagesDir.path}/$imageId.$extension';
+      final imageId = _uuid.v4();
+      final filePath = "${imagesDir.path}/$imageId.$extension";
 
       final file = File(filePath);
       await file.writeAsBytes(response.bodyBytes);
-      
+
       await _repo.insertImage(imageId, filePath);
-      debugPrint("✅ Saved Successfully!");
 
+      debugPrint("✅ Saved Successfully! → $filePath");
       return imageId;
-
     } catch (e) {
       debugPrint("❌ Error: $e");
       return null;
diff --git a/pubspec.lock b/pubspec.lock
@@ -77,10 +77,10 @@ packages:
     dependency: transitive
     description:
       name: fake_async
-      sha256: "6a95e56b2449df2273fd8c45a662d6947ce1ebb7aafe80e550a3f68297f3cacc"
+      sha256: "5368f224a74523e8d2e7399ea1638b37aecfca824a3cc4dfdf77bf1fa905ac44"
       url: "https://pub.dev"
     source: hosted
-    version: "1.3.2"
+    version: "1.3.3"
   ffi:
     dependency: transitive
     description:
@@ -252,26 +252,26 @@ packages:
     dependency: transitive
     description:
       name: leak_tracker
-      sha256: c35baad643ba394b40aac41080300150a4f08fd0fd6a10378f8f7c6bc161acec
+      sha256: "33e2e26bdd85a0112ec15400c8cbffea70d0f9c3407491f672a2fad47915e2de"
       url: "https://pub.dev"
     source: hosted
-    version: "10.0.8"
+    version: "11.0.2"
   leak_tracker_flutter_testing:
     dependency: transitive
     description:
       name: leak_tracker_flutter_testing
-      sha256: f8b613e7e6a13ec79cfdc0e97638fddb3ab848452eff057653abd3edba760573
+      sha256: "1dbc140bb5a23c75ea9c4811222756104fbcd1a27173f0c34ca01e16bea473c1"
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.9"
+    version: "3.0.10"
   leak_tracker_testing:
     dependency: transitive
     description:
       name: leak_tracker_testing
-      sha256: "6ba465d5d76e67ddf503e1161d1f4a6bc42306f9d66ca1e8f079a47290fb06d3"
+      sha256: "8d5a2d49f4a66b49744b23b018848400d23e54caf9463f4eb20df3eb8acb2eb1"
       url: "https://pub.dev"
     source: hosted
-    version: "3.0.1"
+    version: "3.0.2"
   lints:
     dependency: transitive
     description:
@@ -300,10 +300,10 @@ packages:
     dependency: transitive
     description:
       name: meta
-      sha256: e3641ec5d63ebf0d9b41bd43201a66e3fc79a65db5f61fc181f04cd27aab950c
+      sha256: "23f08335362185a5ea2ad3a4e597f1375e78bce8a040df5c600c8d3552ef2394"
       url: "https://pub.dev"
     source: hosted
-    version: "1.16.0"
+    version: "1.17.0"
   mime:
     dependency: transitive
     description:
@@ -489,10 +489,10 @@ packages:
     dependency: transitive
     description:
       name: test_api
-      sha256: fb31f383e2ee25fbbfe06b40fe21e1e458d14080e3c67e7ba0acfde4df4e0bbd
+      sha256: ab2726c1a94d3176a45960b6234466ec367179b87dd74f1611adb1f3b5fb9d55
       url: "https://pub.dev"
     source: hosted
-    version: "0.7.4"
+    version: "0.7.7"
   typed_data:
     dependency: transitive
     description:
@@ -513,10 +513,10 @@ packages:
     dependency: transitive
     description:
       name: vector_math
-      sha256: "80b3257d1492ce4d091729e3a67a60407d227c27241d6927be0130c98e741803"
+      sha256: d530bd74fea330e6e364cda7a85019c434070188383e1cd8d9777ee586914c5b
       url: "https://pub.dev"
     source: hosted
-    version: "2.1.4"
+    version: "2.2.0"
   vm_service:
     dependency: transitive
     description:
@@ -542,5 +542,5 @@ packages:
     source: hosted
     version: "1.1.0"
 sdks:
-  dart: ">=3.7.2 <4.0.0"
+  dart: ">=3.8.0-0 <4.0.0"
   flutter: ">=3.29.0"