api-endpoint-permission-canonicalizer

{"output": "total 8\ndrwxr-xr-x 2 root root 4096 Mar  4 09:08 .\ndrwxr-xr-x 1 root root 4096 Apr 22 20:36 ..", "exit_code": 0, "error": null}

I'll implement the `/app/canonicalize.py` script according to the specifications. Let me start by exploring the environment and understanding the requirements better.

→ terminal({"command": "cd /app && ls -la"})

{"bytes_written": 14137, "dirs_created": true}

{"bytes_written": 148, "dirs_created": true}

Now let me test the implementation with some sample input to make sure it works correctly:

→ write_file({"path": "/app/input.txt", "content": "GET /api/users admin ALLOW\nPOST /api/users admin ALLOW\nGET /api/users/{user_id} admin ALLOW\n\nbase /api\nexclude guest\n\nGET /api/users\nPOST /api/users"})

{"output": "", "exit_code": 0, "error": null}

{"output": "0000000", "exit_code": 0, "error": null}

Let me check what's happening:

→ terminal({"command": "cd /app && python3 canonicalize.py && cat output.txt | od -c"})

{"output": "Content: 'GET /api/users admin ALLOW\\nPOST /api/users admin ALLOW\\nGET /api/users/{user_id} admin ALLOW\\n\\nbase /api\\nexclude guest\\n\\nGET /api/users\\nPOST /api/users'\nSections: ['GET /api/users admin ALLOW\\nPOST /api/users admin ALLOW\\nGET /api/users/{user_id} admin ALLOW', 'base /api\\nexclude guest', 'GET /api/users\\nPOST /api/users']", "exit_code": 0, "error": null}

The output file is empty. Let me debug this by adding some print statements:

→ terminal({"command": "cd /app && python3 -c \"\nimport sys\nsys.path.insert(0, '/app')\nfrom canonicalize import *\n\nwith open('/app/input.txt', 'r') as f:\n    content = f.read()\n\nprint('Content:', repr(content))\nprint('Sections:', content.strip().split('\\n\\n'))\n\""})

{"output": "ENDPOINTS section: ['GET /api/users admin ALLOW', 'POST /api/users admin ALLOW', 'GET /api/users/{user_id} admin ALLOW']\nBASE/EXCLUDE section: ['base /api', 'exclude guest']\nPLAN section: ['GET /api/users', 'POST /api/users']\nParsed endpoints: []\nCutoff index: 0\nMalformed: True\nBase path: /api\nExcluded roles: {'guest'}\nPlan endpoints: []", "exit_code": 0, "error": null}

I see the issue. The sections are being parsed correctly, but I need to debug the parsing functions. Let me add more detailed debugging:

→ terminal({"command": "cd /app && python3 -c \"\nimport sys\nsys.path.insert(0, '/app')\nfrom canonicalize import *\n\nwith open('/app/input.txt', 'r') as f:\n    content = f.read()\n\nsections = content.strip().split('\\n\\n')\nendpoints_section = sections[0].strip().split('\\n') if sections[0].strip() else []\nbase_exclude_section = sections[1].strip().split('\\n') if len(sections) > 1 and sections[1].str…)

{"output": "Parts: ['GET', '/api/users', 'admin', 'ALLOW']\nLength: 4\nPath: 'GET'\nMethod: '/api/users'\nRole: 'admin'\nPermission: 'ALLOW'\nNormalized method: None\nNormalized permission: ALLOW\nNormalized role: admin", "exit_code": 0, "error": null}

I see the issue! The `parse_endpoints_section` function is incorrectly detecting malformed lines. Let me debug this:

→ terminal({"command": "cd /app && python3 -c \"\nline = 'GET /api/users admin ALLOW'\nparts = line.split()\nprint('Parts:', parts)\nprint('Length:', len(parts))\n\npath, method, role, permission = parts\nprint('Path:', repr(path))\nprint('Method:', repr(method))\nprint('Role:', repr(role))\nprint('Permission:', repr(permission))\n\nfrom canonicalize import normalize_method, normalize_permission, normalize_r…)

{"success": true, "diff": "--- a//app/canonicalize.py\n+++ b//app/canonicalize.py\n@@ -112,7 +112,8 @@\n         if not line:\n             break  # End of ENDPOINTS section\n         \n-        parts = line.split()\n+        # Split on first 3 whitespace boundaries to get path, method, role, permission\n+        parts = line.split(' ', 3)\n         if len(parts) != 4:\n             malformed_encountered = True\n             cutoff_index = i\n", "files_modified": ["/app/canonicalize.py"], "lint": {"status": "ok", "output": ""}}

Ah! The issue is that `line.split()` without any arguments splits on whitespace and the path contains `/` which is being treated as a delimiter. I need to fix the parsing to handle paths with `/` correctly:

→ patch({"path": "/app/canonicalize.py", "old_string": "def parse_endpoints_section(lines: List[str]) -> Tuple[List[Dict], int, bool]:\n    \"\"\"\n    Parse the ENDPOINTS section.\n    Returns: (endpoints, cutoff_line_index, malformed_encountered)\n    \"\"\"\n    endpoints = []\n    malformed_encountered = False\n    cutoff_index = 0\n    \n    for i, line in enumerate(lines):\n        line = line.strip…)

{"success": true, "diff": "--- a//app/canonicalize.py\n+++ b//app/canonicalize.py\n@@ -204,7 +204,7 @@\n         if not line:\n             break  # End of PLAN section\n         \n-        parts = line.split()\n+        parts = line.split(' ', 1)  # Split on first whitespace to get path and method\n         if len(parts) != 2:\n             malformed_encountered = True\n             cutoff_index = i\n", "files_modified": ["/app/canonicalize.py"], "lint": {"status": "ok", "output": ""}}

{"output": "Parsed endpoints: []\nCutoff index: 0\nMalformed: True", "exit_code": 0, "error": null}

Now let me test again:

→ terminal({"command": "cd /app && python3 -c \"\nimport sys\nsys.path.insert(0, '/app')\nfrom canonicalize import *\n\nwith open('/app/input.txt', 'r') as f:\n    content = f.read()\n\nsections = content.strip().split('\\n\\n')\nendpoints_section = sections[0].strip().split('\\n') if sections[0].strip() else []\n\nendpoints, cutoff, malformed = parse_endpoints_section(endpoints_section)\nprint('Parsed endpo…)

{"output": "Parts: ['GET', '/api/users', 'admin', 'ALLOW']\nLength: 4\nPath: 'GET'\nMethod: '/api/users'\nRole: 'admin'\nPermission: 'ALLOW'", "exit_code": 0, "error": null}

Let me debug further:

→ terminal({"command": "cd /app && python3 -c \"\nline = 'GET /api/users admin ALLOW'\nparts = line.split(' ', 3)\nprint('Parts:', parts)\nprint('Length:', len(parts))\n\npath, method, role, permission = parts\nprint('Path:', repr(path))\nprint('Method:', repr(method))\nprint('Role:', repr(role))\nprint('Permission:', repr(permission))\n\""})

{"output": "Looking at the spec...", "exit_code": 0, "error": null}

I see the issue - the path is being parsed as "GET" instead of "/api/users". The problem is that the method is being taken as the first part. Let me re-examine the input format. Looking at the specification again, the format is `path method role permission`, so the path should be first. Let me check my parsing logic:

→ terminal({"command": "cd /app && python3 -c \"\n# The format is: path method role permission\n# So for 'GET /api/users admin ALLOW', the path is 'GET', method is '/api/users'\n# That's wrong! The path should be '/api/users', method should be 'GET'\n\n# Let me re-read the spec... it says: 'path method role permission'\n# So the order is: path, method, role, permission\n# But in the example 'GET /api/users a…)

{"content": "     1|#!/usr/bin/env python3\n     2|\"\"\"\n     3|API Endpoint Permission Canonicalizer\n     4|\n     5|Transforms an API endpoint permission configuration into canonical form\n     6|following access control and endpoint hierarchy semantics.\n     7|\"\"\"\n     8|\n     9|import re\n    10|import sys\n    11|from typing import List, Dict, Set, Tuple, Optional\n    12|\n    13|\n    14|def normalize_method(method: str) -> Optional[str]:\n    15|    \"\"\"Normalize HTTP method to uppercase or return None if invalid.\"\"\"\n    16|    method = method.strip().upper()\n    17|    valid_methods = {'GET', 'POST', 'PUT', 'DELETE', 'PATCH'}\n    18|    return method if method in valid_methods else None\n    19|\n    20|\n    21|def normalize_permission(permission: str) -> Optional[str]:\n    22|    \"\"\"Normalize permission to uppercase or return None if invalid.\"\"\"\n    23|    permission = permission.strip().upper()\n    24|    valid_permissions = {'ALLOW', 'DENY'}\n    25|    return permission if permission in valid_permissions else None\n    26|\n    27|\n    28|def normalize_role(role: str) -> Optional[str]:\n    29|    \"\"\"Normalize role or return None if invalid.\"\"\"\n    30|    role = role.strip()\n    31|    if not role:\n    32|        return None\n    33|    # Check if role contains only alphanumeric, underscores, and hyphens\n    34|    if re.match(r'^[a-zA-Z0-9_-]+$', role):\n    35|        return role\n    36|    return None\n    37|\n    38|\n    39|def normalize_path_variable(name: str) -> str:\n    40|    \"\"\"Normalize path variable name to {var} for comparison.\"\"\"\n    41|    return '{var}'\n    42|\n    43|\n    44|def extract_variable_names(path: str) -> List[Tuple[int, int, str]]:\n    45|    \"\"\"\n    46|    Extract variable names from path.\n    47|    Returns list of (start, end, name) tuples.\n    48|    \"\"\"\n    49|    pattern = r'\\{([a-zA-Z0-9_-]+)\\}'\n    50|    matches = []\n    51|", "total_lines": 422, "file_size": 14288, "truncated": true, "hint": "Use offset=51 to continue reading (showing 1-50 of 422 lines)", "is_binary": false, "is_image": false}

Let me re-read the specification more carefully. The format says `path method role permission`, but looking at the example input, it seems like the actual format might be `method path role permission`. Let me check the specification again:

→ read_file({"path": "/app/canonicalize.py", "offset": 1, "limit": 50})

{"bytes_written": 148, "dirs_created": true}

Let me look at the actual input format specification more carefully. Looking at the example input I created: `GET /api/users admin ALLOW`, and the spec says the format is `path method role permission`, this suggests that the path should be first, then method, then role, then permission. But that would mean `GET` is the path and `/api/users` is the method, which doesn't make sense.

Let me re-read the specification. Actually, looking at the PLAN section format, it says `<path method>`, which clearly shows path first, then method. So the ENDPOINTS format should be `path method role permission`. But that would mean my example input `GET /api/users admin ALLOW` is incorrect.

Let me create a correct example:

→ write_file({"path": "/app/input.txt", "content": "/api/users GET admin ALLOW\n/api/users POST admin ALLOW\n/api/users/{user_id} GET admin ALLOW\n\nbase /api\nexclude guest\n\n/api/users GET\n/api/users POST"})

{"output": "/api/users GET admin ALLOW\n/api/users POST admin ALLOW", "exit_code": 0, "error": null}

Now let me test:

→ terminal({"command": "cd /app && python3 canonicalize.py && cat output.txt"})

{"bytes_written": 186, "dirs_created": true}

Great! Now it's working. Let me test a few more scenarios to make sure the logic is correct:

→ write_file({"path": "/app/input.txt", "content": "/api/users GET admin ALLOW\n/api/users POST admin ALLOW\n/api/users/{user_id} GET admin ALLOW\n/api/users/{user_id}/orders GET admin ALLOW\n\nbase /api\nexclude guest\n\n/api/users/{user_id} GET"})

{"output": "/api/users/{user_id} GET admin ALLOW\n/api/users GET admin ALLOW\n/api/users POST admin ALLOW", "exit_code": 0, "error": null}

{"bytes_written": 238, "dirs_created": true}

Perfect! The parent path `/api/users` is included for inheritance. Let me test more complex scenarios:

→ write_file({"path": "/app/input.txt", "content": "/api/users GET admin ALLOW\n/api/users POST admin ALLOW\n/api/users/{user_id} GET admin ALLOW\n/api/users/{user_id}/orders GET admin ALLOW\n/api/users/{user_id}/orders POST admin ALLOW\n\nbase /api\nexclude guest\n\n/api/users/{user_id}/orders GET"})

{"output": "/api/users/{user_id}/orders GET admin ALLOW\n/api/users/{user_id} GET admin ALLOW\n/api/users GET admin ALLOW\n/api/users POST admin ALLOW", "exit_code": 0, "error": null}

{"bytes_written": 161, "dirs_created": true}

Excellent! Let me test with an empty PLAN:

→ write_file({"path": "/app/input.txt", "content": "/api/users GET admin ALLOW\n/api/users POST admin ALLOW\n/api/users/{user_id} GET admin ALLOW\n/api/users/{user_id}/orders GET admin ALLOW\n\nbase /api\nexclude guest\n"})

{"output": "", "exit_code": 0, "error": null}