feat: Add extensive language support for code splitting, scanning, and vulnerability detection by expanding file extensions, Tree-sitter node types, vulnerability patterns, and exclusion rules.

backend/app/services/rag/embeddings.py

@@ -553,14 +553,16 @@ class QwenEmbedding(EmbeddingProvider):
         payload = {
             "model": self.model,
             "input": truncated_texts,
-            "encoding_format": "float",
         }
-
         url = f"{self.base_url.rstrip('/')}/embeddings"
 
         try:
-            async with httpx.AsyncClient(timeout=60) as client:
+            async with httpx.AsyncClient(timeout=60.0) as client:
-                response = await client.post(url, headers=headers, json=payload)
+                response = await client.post(
+                    url,
+                    headers=headers,
+                    json=payload,
+                )
                 response.raise_for_status()
                 data = response.json()
 

backend/app/services/rag/indexer.py

@@ -30,24 +30,63 @@ INDEX_VERSION = "2.0"
 
 # 支持的文本文件扩展名
 TEXT_EXTENSIONS = {
+    # 核心语言
     ".py", ".js", ".ts", ".tsx", ".jsx", ".java", ".go", ".rs",
-    ".cpp", ".c", ".h", ".cc", ".hh", ".cs", ".php", ".rb",
+    ".cpp", ".c", ".h", ".cc", ".hh", ".hpp", ".hxx", ".cs", ".php", ".rb",
-    ".kt", ".swift", ".sql", ".sh", ".json", ".yml", ".yaml",
+    ".kt", ".swift", ".dart", ".scala", ".sc", ".groovy", ".ktm", ".kts",
-    ".xml", ".html", ".css", ".vue", ".svelte", ".md",
+    # .NET
+    ".cshtml", ".vb", ".fs", ".fsi", ".fsx", ".sln", ".csproj", ".vbproj",
+    ".fsproj", ".config", ".asax", ".master", ".ascx", ".asmx", ".svc",
+    # 数据与配置
+    ".json", ".yml", ".yaml", ".toml", ".xml", ".properties", ".conf", ".ini",
+    # 脚本与命令
+    ".sh", ".bash", ".zsh", ".fish", ".ps1", ".bat", ".cmd", ".sql", ".pl", ".pm", ".t",
+    # Web
+    ".html", ".css", ".vue", ".svelte", ".md", ".proto", ".graphql", ".gql",
+    ".prisma", ".sol", ".dockerfile", ".tf", ".hcl", ".tfvars",
+    # 其他
+    ".lua", ".hs", ".lhs", ".clj", ".cljs", ".cljc", ".edn", ".ex", ".exs",
+    ".erl", ".hrl", ".m", ".mm", ".r", ".rmd", ".properties"
 }
 
 # 排除的目录
 EXCLUDE_DIRS = {
-    "node_modules", "vendor", "dist", "build", ".git",
+    # 构建与依赖
-    "__pycache__", ".pytest_cache", "coverage", ".nyc_output",
+    "node_modules", "vendor", "dist", "build", "target", "out", "bin", "obj",
-    ".vscode", ".idea", ".vs", "target", "out", "bin", "obj",
+    "bower_components", "packages", "pkg", "Pods", ".gradle", ".m2",
-    "__MACOSX", ".next", ".nuxt", "venv", "env", ".env",
+    "vendor/bundle", ".bundle", "jspm_packages", "typings",
+    # 虚拟环境
+    "venv", "env", ".env", "virtualenv", ".venv",
+    # IDE 与元数据
+    ".git", ".svn", ".hg", ".vscode", ".idea", ".vs", "TestResults",
+    "_ReSharper.*", ".settings", ".project", ".classpath", ".metadata",
+    # 缓存与日志
+    "__pycache__", ".pytest_cache", "coverage", "htmlcov", ".nyc_output",
+    ".cache", ".next", ".nuxt", ".dart_tool", "htmlcov", "logs", "ipch",
+    # 云与基础设施
+    ".aws-sam", ".serverless", ".terraform", ".terraform.d", "_site",
+    # 其他
+    "__MACOSX", "extern", "externals", "third-party", "3rdparty"
 }
 
 # 排除的文件
 EXCLUDE_FILES = {
-    ".DS_Store", "package-lock.json", "yarn.lock", "pnpm-lock.yaml",
+    # 锁文件 (通常不索引，因为内容太长且无语义)
-    "Cargo.lock", "poetry.lock", "composer.lock", "Gemfile.lock",
+    "package-lock.json", "yarn.lock", "pnpm-lock.yaml", "Cargo.lock",
+    "poetry.lock", "composer.lock", "Gemfile.lock", "gradle.lockfile",
+    "mix.lock", "pnpm-workspace.yaml", "shrinkwrap.yaml",
+    # 静态资源与二进制
+    "*.min.js", "*.min.css", "jquery.js", "jquery.min.js", "*.map",
+    "*.pyc", "*.pyo", "*.pyd", "*.so", "*.dll", "*.exe", "*.o", "*.obj",
+    "*.a", "*.lib", "*.jar", "*.war", "*.ear", "*.class",
+    "*.svg", "*.ico", "*.woff*", "*.png", "*.jpg", "*.jpeg", "*.gif",
+    # 系统与秘密
+    ".DS_Store", "thumbs.db", "desktop.ini", "*.pem", "*.crt", "*.key",
+    # 临时与日志
+    "*.log", "*.bak", "*.swp", "*.tmp", "tags",
+    # IDRE 与特定配置
+    "*.suo", "*.user", "*.sln.docstates", "*.vshost.*", "*.pdb",
+    ".ruby-version", ".nvmrc"
 }
 
 
@@ -949,7 +988,7 @@ class CodeIndexer:
         logger.info(f"📁 发现 {len(files)} 个文件待索引")
         yield progress
 
-        semaphore = asyncio.Semaphore(20)  # 控制文件处理并发
+        semaphore = asyncio.Semaphore(10)  # 降低并行度以平衡 CPU 和内存
         file_hashes: Dict[str, str] = {}
 
         async def process_file(file_path: str):
@@ -1083,7 +1122,7 @@ class CodeIndexer:
                 progress_callback(progress)
             yield progress
 
-        semaphore = asyncio.Semaphore(20)
+        semaphore = asyncio.Semaphore(10)
         file_hashes: Dict[str, str] = dict(indexed_file_hashes)
 
         async def process_incremental_file(relative_path: str):
@@ -1363,11 +1402,35 @@ class CodeIndexer:
                 if ext not in TEXT_EXTENSIONS:
                     continue
 
-                # 检查排除文件
+                # 检查排除文件 (支持通配符)
-                if filename in EXCLUDE_FILES:
+                should_skip_file = False
+                for pattern in EXCLUDE_FILES:
+                    if fnmatch.fnmatch(filename, pattern):
+                        should_skip_file = True
+                        break
+                if should_skip_file:
                     continue
 
+                # 排除疑似压缩过的文件 (通过行长度和内容分析)
                 file_path = os.path.join(root, filename)
+                try:
+                    if os.path.getsize(file_path) > 50000: # > 50KB
+                        with open(file_path, 'r', encoding='utf-8', errors='ignore') as f:
+                            # 检查前 5 行，防止第一行是版权注释的情况
+                            is_minified = False
+                            for _ in range(5):
+                                line = f.readline()
+                                if not line: break
+                                if len(line) > 1000:
+                                    is_minified = True
+                                    break
+                            
+                            if is_minified:
+                                logger.info(f"⏩ 跳过疑似压缩或非代码文件: {filename}")
+                                continue
+                except Exception:
+                    pass
+
                 relative_path = os.path.relpath(file_path, directory)
 
                 # 检查排除模式

backend/app/services/rag/splitter.py

@@ -155,11 +155,29 @@ class TreeSitterParser:
         ".c": "c",
         ".h": "c",
         ".hpp": "cpp",
+        ".hxx": "cpp",
         ".cs": "csharp",
         ".php": "php",
         ".rb": "ruby",
         ".kt": "kotlin",
+        ".ktm": "kotlin",
+        ".kts": "kotlin",
         ".swift": "swift",
+        ".dart": "dart",
+        ".scala": "scala",
+        ".sc": "scala",
+        ".groovy": "groovy",
+        ".lua": "lua",
+        ".hs": "haskell",
+        ".clj": "clojure",
+        ".ex": "elixir",
+        ".erl": "erlang",
+        ".m": "objective-c",
+        ".mm": "objective-c",
+        ".sh": "bash",
+        ".bash": "bash",
+        ".zsh": "bash",
+        ".sql": "sql",
     }
     
     # 各语言的函数/类节点类型
@@ -182,24 +200,55 @@ class TreeSitterParser:
             "import": ["import_statement"],
         },
         "java": {
-            "class": ["class_declaration"],
+            "class": ["class_declaration", "enum_declaration", "record_declaration"],
             "method": ["method_declaration", "constructor_declaration"],
-            "interface": ["interface_declaration"],
+            "interface": ["interface_declaration", "annotation_type_declaration"],
             "import": ["import_declaration"],
         },
+        "csharp": {
+            "class": ["class_declaration", "record_declaration", "struct_declaration", "enum_declaration"],
+            "method": ["method_declaration", "constructor_declaration", "destructor_declaration"],
+            "interface": ["interface_declaration"],
+            "import": ["using_directive"],
+        },
+        "cpp": {
+            "class": ["class_specifier", "struct_specifier", "enum_specifier"],
+            "function": ["function_definition"],
+        },
         "go": {
             "struct": ["type_declaration"],
             "function": ["function_declaration", "method_declaration"],
             "interface": ["type_declaration"],
             "import": ["import_declaration"],
         },
+        "rust": {
+            "struct": ["struct_item", "union_item"],
+            "enum": ["enum_item"],
+            "function": ["function_item"],
+            "class": ["impl_item", "trait_item"],
+        },
+        "php": {
+            "class": ["class_declaration"],
+            "function": ["function_definition", "method_definition"],
+            "interface": ["interface_declaration"],
+        },
+        "ruby": {
+            "class": ["class", "module"],
+            "function": ["method"],
+        },
+        "swift": {
+            "class": ["class_declaration", "struct_declaration", "enum_declaration"],
+            "function": ["function_declaration"],
+            "interface": ["protocol_declaration"],
+        },
     }
     
     # tree-sitter-languages 支持的语言列表
     SUPPORTED_LANGUAGES = {
         "python", "javascript", "typescript", "tsx", "java", "go", "rust",
         "c", "cpp", "csharp", "php", "ruby", "kotlin", "swift", "bash",
-        "json", "yaml", "html", "css", "sql", "markdown",
+        "json", "yaml", "html", "css", "sql", "markdown", "dart", "scala",
+        "lua", "haskell", "clojure", "elixir", "erlang", "objective-c"
     }
 
     def __init__(self):
@@ -384,6 +433,26 @@ class CodeSplitter:
             (r"\$_POST\[", "post_input"),
             (r"\$_REQUEST\[", "request_input"),
         ],
+        "csharp": [
+            (r"Process\.Start\s*\(", "process_start"),
+            (r"SqlCommand\s*\(.*\+", "sql_concat"),
+            (r"Deserialize\s*\(", "deserialization"),
+            (r"AllowHtml\s*=", "unsafe_html"),
+            (r"password\s*=", "password_assign"),
+        ],
+        "cpp": [
+            (r"\bsystem\s*\(", "system_call"),
+            (r"\bpopen\s*\(", "popen"),
+            (r"\bstrcpy\s*\(", "unsafe_string_copy"),
+            (r"\bsprintf\s*\(", "unsafe_string_format"),
+            (r"\bmalloc\s*\(", "memory_allocation"),
+        ],
+        "ruby": [
+            (r"\beval\s*\(", "eval"),
+            (r"`.*`", "shell_execution"),
+            (r"system\s*\(", "system_call"),
+            (r"send\s*\(", "dynamic_method_call"),
+        ],
     }
     
     def __init__(
@@ -585,6 +654,25 @@ class CodeSplitter:
                 (r"^(\s*)interface\s+(\w+)", ChunkType.INTERFACE),
                 (r"^(\s*)(?:public|private|protected)?\s*(?:static\s+)?function\s+(\w+)", ChunkType.FUNCTION),
             ],
+            "csharp": [
+                (r"^(\s*)(?:public|private|protected|internal)?\s*(?:static\s+)?(?:partial\s+)?(?:class|record|struct|enum)\s+(\w+)", ChunkType.CLASS),
+                (r"^(\s*)(?:public|private|protected|internal)?\s*interface\s+(\w+)", ChunkType.INTERFACE),
+                (r"^(\s*)(?:public|private|protected|internal)?\s*(?:async\s+)?(?:static\s+)?[\w<>\[\],\s]+\s+(\w+)\s*\([^)]*\)", ChunkType.METHOD),
+            ],
+            "cpp": [
+                (r"^(\s*)(?:class|struct)\s+(\w+)", ChunkType.CLASS),
+                (r"^(\s*)[\w<>:]+\s+(\w+)\s*\([^)]*\)\s*\{", ChunkType.FUNCTION),
+            ],
+            "ruby": [
+                (r"^(\s*)(?:class|module)\s+(\w+)", ChunkType.CLASS),
+                (r"^(\s*)def\s+(\w+)", ChunkType.FUNCTION),
+            ],
+            "rust": [
+                (r"^(\s*)(?:pub\s+)?(?:struct|enum|union)\s+(\w+)", ChunkType.CLASS),
+                (r"^(\s*)(?:pub\s+)?(?:async\s+)?fn\s+(\w+)", ChunkType.FUNCTION),
+                (r"^(\s*)(?:pub\s+)?impl", ChunkType.CLASS),
+                (r"^(\s*)(?:pub\s+)?trait\s+(\w+)", ChunkType.INTERFACE),
+            ],
         }
         
         lang_patterns = patterns.get(language, [])
@@ -788,9 +876,23 @@ class CodeSplitter:
             "java": [
                 r"^import\s+([\w.]+);",
             ],
+            "csharp": [
+                r"^using\s+([\w.]+);",
+            ],
             "go": [
                 r"['\"]([^'\"]+)['\"]",
             ],
+            "cpp": [
+                r'^#include\s+["<]([^">]+)[">]',
+            ],
+            "php": [
+                r"^use\s+([\w\\]+);",
+                r"require(?:_once)?\s*\(['\"]([^'\"]+)['\"]\)",
+            ],
+            "ruby": [
+                r"require\s+['\"]([^'\"]+)['\"]",
+                r"require_relative\s+['\"]([^'\"]+)['\"]",
+            ],
         }
         
         for pattern in patterns.get(language, []):
@@ -835,10 +937,21 @@ class CodeSplitter:
                 r"class\s+(\w+)",
                 r"(\w+)\s*=\s*",
             ],
-            "javascript": [
+            "java": [
-                r"function\s+(\w+)",
+                r"(?:public|private|protected)?\s*(?:static\s+)?(?:final\s+)?(?:class|interface|enum|record)\s+(\w+)",
-                r"(?:const|let|var)\s+(\w+)",
+                r"(?:public|private|protected)?\s*(?:static\s+)?[\w<>\[\],\s]+\s+(\w+)\s*\([^)]*\)",
-                r"class\s+(\w+)",
+            ],
+            "csharp": [
+                r"(?:class|record|struct|enum|interface)\s+(\w+)",
+                r"[\w<>\[\],\s]+\s+(\w+)\s*\([^)]*\)",
+            ],
+            "cpp": [
+                r"(?:class|struct)\s+(\w+)",
+                r"(?:[\w<>:]+)\s+(\w+)\s*\([^)]*\)\s*\{",
+            ],
+            "rust": [
+                r"(?:struct|enum|union|trait)\s+(\w+)",
+                r"fn\s+(\w+)",
             ],
         }
         

backend/app/services/scanner.py

@@ -37,18 +37,32 @@ def get_analysis_config(user_config: Optional[Dict[str, Any]] = None) -> Dict[st
 
 # 支持的文本文件扩展名
 TEXT_EXTENSIONS = [
-    ".js", ".ts", ".tsx", ".jsx", ".py", ".java", ".go", ".rs", 
+    ".py", ".js", ".ts", ".tsx", ".jsx", ".java", ".go", ".rs",
-    ".cpp", ".c", ".h", ".cc", ".hh", ".cs", ".php", ".rb", 
+    ".cpp", ".c", ".h", ".cc", ".hh", ".hpp", ".hxx", ".cs", ".php", ".rb",
-    ".kt", ".swift", ".sql", ".sh", ".json", ".yml", ".yaml"
+    ".kt", ".swift", ".dart", ".scala", ".sc", ".groovy", ".ktm", ".kts",
+    ".cshtml", ".vb", ".fs", ".fsi", ".fsx", ".sln", ".csproj", ".vbproj",
+    ".fsproj", ".config", ".asax", ".master", ".ascx", ".asmx", ".svc",
+    ".json", ".yml", ".yaml", ".toml", ".xml", ".properties", ".conf", ".ini",
+    ".sh", ".bash", ".zsh", ".fish", ".ps1", ".bat", ".cmd", ".sql", ".pl", ".pm", ".t",
+    ".html", ".css", ".vue", ".svelte", ".md", ".proto", ".graphql", ".gql",
+    ".prisma", ".sol", ".dockerfile", ".tf", ".hcl", ".tfvars",
+    ".lua", ".hs", ".lhs", ".clj", ".cljs", ".cljc", ".edn", ".ex", ".exs",
+    ".erl", ".hrl", ".m", ".mm", ".r", ".rmd"
 ]
 
 # 排除的目录和文件模式
 EXCLUDE_PATTERNS = [
-    "node_modules/", "vendor/", "dist/", "build/", ".git/",
+    # 常用目录
-    "__pycache__/", ".pytest_cache/", "coverage/", ".nyc_output/",
+    "node_modules/", "vendor/", "dist/", "build/", "target/", "out/", "bin/", "obj/",
-    ".vscode/", ".idea/", ".vs/", "target/", "out/",
+    ".git/", ".svn/", ".hg/", ".vscode/", ".idea/", ".vs/", ".settings/",
-    "__MACOSX/", ".DS_Store", "package-lock.json", "yarn.lock",
+    ".gradle/", ".m2/", "venv/", "env/", ".env/", "__pycache__/",
-    "pnpm-lock.yaml", ".min.js", ".min.css", ".map"
+    ".pytest_cache/", "coverage/", ".nyc_output/", "bower_components/",
+    "packages/", "pkg/", "Pods/", "TestResults/", "_ReSharper.*",
+    # 常见锁文件与二进制
+    "package-lock.json", "yarn.lock", "pnpm-lock.yaml", "Cargo.lock",
+    "poetry.lock", "composer.lock", "Gemfile.lock", "gradle.lockfile",
+    ".min.js", ".min.css", ".map", ".DS_Store", "*.pdb", "*.dll", "*.exe",
+    "*.o", "*.obj", "*.a", "*.lib", "*.jar", "*.war", "*.class"
 ]
 
 
@@ -67,13 +81,26 @@ def get_language_from_path(path: str) -> str:
     """从文件路径获取语言类型"""
     ext = path.split('.')[-1].lower() if '.' in path else ''
     language_map = {
+        'py': 'python',
         'js': 'javascript', 'jsx': 'javascript',
         'ts': 'typescript', 'tsx': 'typescript',
-        'py': 'python', 'java': 'java', 'go': 'go',
+        'java': 'java', 'go': 'go', 'rs': 'rust',
-        'rs': 'rust', 'cpp': 'cpp', 'c': 'cpp',
+        'cpp': 'cpp', 'c': 'c', 'cc': 'cpp', 'h': 'c', 'hh': 'cpp',
-        'cc': 'cpp', 'h': 'cpp', 'hh': 'cpp',
+        'hpp': 'cpp', 'hxx': 'cpp',
         'cs': 'csharp', 'php': 'php', 'rb': 'ruby',
-        'kt': 'kotlin', 'swift': 'swift'
+        'kt': 'kotlin', 'ktm': 'kotlin', 'kts': 'kotlin',
+        'swift': 'swift', 'dart': 'dart',
+        'scala': 'scala', 'sc': 'scala',
+        'groovy': 'groovy', 'gsh': 'groovy', 'gvy': 'groovy', 'gy': 'groovy',
+        'sql': 'sql', 'sh': 'bash', 'bash': 'bash', 'zsh': 'bash',
+        'pl': 'perl', 'pm': 'perl', 't': 'perl',
+        'lua': 'lua', 'hs': 'haskell', 'lhs': 'haskell',
+        'clj': 'clojure', 'cljs': 'clojure', 'cljc': 'clojure', 'edn': 'clojure',
+        'ex': 'elixir', 'exs': 'elixir', 'erl': 'erlang', 'hrl': 'erlang',
+        'm': 'objective-c', 'mm': 'objective-c',
+        'r': 'r', 'rmd': 'r',
+        'vb': 'visual-basic', 'fs': 'fsharp', 'fsi': 'fsharp', 'fsx': 'fsharp',
+        'tf': 'hcl', 'hcl': 'hcl', 'dockerfile': 'dockerfile'
     }
     return language_map.get(ext, 'text')