steward/ansible/sources.py

@@ -1,6 +1,9 @@
 from __future__ import annotations
 import asyncio
 import logging
+import os
+import stat
+import tempfile
 from pathlib import Path
 
 logger = logging.getLogger(__name__)
@@ -48,6 +51,7 @@ def get_sources(ansible_cfg: dict) -> list[dict]:
             "url": src.get("url"),
             "branch": src.get("branch", "main"),
             "pull_interval_seconds": int(src.get("pull_interval_seconds", 3600)),
+            "http_token": src.get("http_token", "") if src_type == "git" else "",
         })
     return result
 
@@ -99,27 +103,65 @@ def read_playbook(source_path: str, relative_path: str) -> str | None:
 
 
 async def git_pull(source: dict) -> None:
-    """Clone the git repo if absent; pull if already present."""
+    """Clone the git repo if absent; pull if already present.
+
+    When source['http_token'] is set, injects credentials via a temporary
+    GIT_ASKPASS script so they never touch .git/config or process args.
+    """
     path = Path(source["path"])
-    if not (path / ".git").exists():
-        path.mkdir(parents=True, exist_ok=True)
-        proc = await asyncio.create_subprocess_exec(
-            "git", "clone",
-            "--branch", source["branch"],
-            "--single-branch",
-            source["url"], str(path),
-            stdout=asyncio.subprocess.PIPE,
-            stderr=asyncio.subprocess.PIPE,
-        )
-        _, stderr = await proc.communicate()
-        if proc.returncode != 0:
-            logger.error("git clone failed for %r: %s", source["name"], stderr.decode(errors="replace"))
-    else:
-        proc = await asyncio.create_subprocess_exec(
-            "git", "-C", str(path), "pull",
-            stdout=asyncio.subprocess.PIPE,
-            stderr=asyncio.subprocess.PIPE,
-        )
-        _, stderr = await proc.communicate()
-        if proc.returncode != 0:
-            logger.error("git pull failed for %r: %s", source["name"], stderr.decode(errors="replace"))
+    token = source.get("http_token", "")
+
+    env = None
+    askpass_path = None
+    if token:
+        fd, askpass_path = tempfile.mkstemp(prefix="steward-askpass-", suffix=".sh")
+        try:
+            script = (
+                "#!/bin/sh\n"
+                'case "$1" in\n'
+                '  Username*) echo "oauth2" ;;\n'
+                f'  Password*) echo "{token}" ;;\n'
+                "esac\n"
+            )
+            os.write(fd, script.encode())
+        finally:
+            os.close(fd)
+        os.chmod(askpass_path, stat.S_IRWXU)
+        env = {**os.environ, "GIT_ASKPASS": askpass_path}
+
+    try:
+        if not (path / ".git").exists():
+            path.mkdir(parents=True, exist_ok=True)
+            proc = await asyncio.create_subprocess_exec(
+                "git", "clone",
+                "--branch", source["branch"],
+                "--single-branch",
+                source["url"], str(path),
+                stdout=asyncio.subprocess.PIPE,
+                stderr=asyncio.subprocess.PIPE,
+                env=env,
+            )
+            _, stderr = await proc.communicate()
+            if proc.returncode != 0:
+                logger.error(
+                    "git clone failed for %r: %s",
+                    source["name"],
+                    stderr.decode(errors="replace"),
+                )
+        else:
+            proc = await asyncio.create_subprocess_exec(
+                "git", "-C", str(path), "pull",
+                stdout=asyncio.subprocess.PIPE,
+                stderr=asyncio.subprocess.PIPE,
+                env=env,
+            )
+            _, stderr = await proc.communicate()
+            if proc.returncode != 0:
+                logger.error(
+                    "git pull failed for %r: %s",
+                    source["name"],
+                    stderr.decode(errors="replace"),
+                )
+    finally:
+        if askpass_path and os.path.exists(askpass_path):
+            os.unlink(askpass_path)

steward/settings/routes.py

@@ -226,6 +226,9 @@ async def ansible_add_source():
             entry["pull_interval_seconds"] = int(form.get("pull_interval_seconds", 3600))
         except ValueError:
             entry["pull_interval_seconds"] = 3600
+        token = form.get("http_token", "").strip()
+        if token:
+            entry["http_token"] = token
     else:
         entry["path"] = form.get("path", "").strip()
     sources = await _get_ansible_sources()
@@ -263,6 +266,12 @@ async def ansible_save_source(idx: int):
             entry["pull_interval_seconds"] = int(form.get("pull_interval_seconds", 3600))
         except ValueError:
             entry["pull_interval_seconds"] = 3600
+        token = form.get("http_token", "").strip()
+        if token:
+            entry["http_token"] = token
+        elif "http_token" in sources[idx]:
+            # Preserve existing token — password fields don't round-trip via browser
+            entry["http_token"] = sources[idx]["http_token"]
     else:
         entry["path"] = form.get("path", "").strip()
     sources[idx] = entry

steward/templates/settings/_ansible_sources.html

@@ -94,6 +94,15 @@
                 <label style="font-size:0.8rem;">Pull interval (seconds)</label>
                 <input type="number" name="pull_interval_seconds" value="{{ src.pull_interval_seconds or 3600 }}" min="60">
               </div>
+              <div class="form-group" style="margin:0;grid-column:1/-1;">
+                <label style="font-size:0.8rem;">
+                  HTTP Token
+                  <span style="color:var(--text-muted);font-weight:normal;">(optional — Gitea PAT for private repos)</span>
+                </label>
+                <input type="password" name="http_token"
+                       placeholder="{% if src.http_token %}token saved — enter new to replace{% endif %}"
+                       autocomplete="new-password">
+              </div>
             </div>
 
             <div id="ansible-edit-local-fields-{{ idx }}"
@@ -165,6 +174,12 @@
             <label style="font-size:0.8rem;">Pull interval (seconds)</label>
             <input type="number" name="pull_interval_seconds" value="3600" min="60">
           </div>
+          <div class="form-group" style="margin:0;grid-column:1/-1;">
+            <label style="font-size:0.8rem;">HTTP Token
+              <span style="color:var(--text-muted);font-weight:normal;">(optional)</span>
+            </label>
+            <input type="password" name="http_token" autocomplete="new-password">
+          </div>
         </div>
 
         <div id="ansible-add-local-fields"

tests/core/test_git_askpass.py

@@ -0,0 +1,143 @@
+"""Unit tests for GIT_ASKPASS injection in git_pull()."""
+import asyncio
+import os
+import stat
+from pathlib import Path
+from unittest.mock import AsyncMock, MagicMock, patch
+import pytest
+
+
+def test_get_sources_includes_http_token(tmp_path):
+    """get_sources() must pass http_token through from config."""
+    from steward.ansible.sources import get_sources
+
+    cfg = {
+        "cache_dir": str(tmp_path),
+        "sources": [
+            {
+                "name": "repo",
+                "type": "git",
+                "url": "https://git.example.com/org/repo.git",
+                "http_token": "mytoken123",
+            }
+        ],
+    }
+    sources = get_sources(cfg)
+    assert sources[0]["http_token"] == "mytoken123"
+
+
+def test_get_sources_missing_http_token_defaults_empty(tmp_path):
+    """http_token defaults to empty string when not in source config."""
+    from steward.ansible.sources import get_sources
+
+    cfg = {
+        "cache_dir": str(tmp_path),
+        "sources": [
+            {"name": "r", "type": "git", "url": "https://example.com/r.git"}
+        ],
+    }
+    sources = get_sources(cfg)
+    assert sources[0]["http_token"] == ""
+
+
+@pytest.mark.asyncio
+async def test_git_pull_creates_askpass_when_token_set(tmp_path):
+    """git_pull() sets GIT_ASKPASS env when source has http_token."""
+    from steward.ansible.sources import git_pull
+
+    # Simulate repo already cloned (has .git dir) so we hit the pull path.
+    repo_path = tmp_path / "repo"
+    (repo_path / ".git").mkdir(parents=True)
+
+    source = {
+        "name": "repo",
+        "path": str(repo_path),
+        "url": "https://git.example.com/org/repo.git",
+        "branch": "main",
+        "http_token": "secret-token",
+    }
+
+    captured_env = {}
+
+    async def fake_subprocess(*args, **kwargs):
+        captured_env.update(kwargs.get("env", {}))
+        proc = MagicMock()
+        proc.returncode = 0
+        proc.communicate = AsyncMock(return_value=(b"", b""))
+        return proc
+
+    with patch("asyncio.create_subprocess_exec", side_effect=fake_subprocess):
+        await git_pull(source)
+
+    assert "GIT_ASKPASS" in captured_env
+    askpass_path = captured_env["GIT_ASKPASS"]
+    # Script should be cleaned up after the call
+    assert not os.path.exists(askpass_path), "askpass script should be deleted in finally"
+
+
+@pytest.mark.asyncio
+async def test_git_pull_askpass_contains_token(tmp_path):
+    """The askpass script content includes the token before cleanup."""
+    from steward.ansible.sources import git_pull
+
+    repo_path = tmp_path / "repo"
+    (repo_path / ".git").mkdir(parents=True)
+
+    source = {
+        "name": "repo",
+        "path": str(repo_path),
+        "url": "https://git.example.com/org/repo.git",
+        "branch": "main",
+        "http_token": "secret-token",
+    }
+
+    script_content_captured = {}
+
+    async def fake_subprocess(*args, **kwargs):
+        askpass = kwargs.get("env", {}).get("GIT_ASKPASS", "")
+        if askpass and os.path.exists(askpass):
+            script_content_captured["content"] = Path(askpass).read_text()
+            mode = stat.S_IMODE(os.stat(askpass).st_mode)
+            script_content_captured["executable"] = bool(mode & stat.S_IXUSR)
+        proc = MagicMock()
+        proc.returncode = 0
+        proc.communicate = AsyncMock(return_value=(b"", b""))
+        return proc
+
+    with patch("asyncio.create_subprocess_exec", side_effect=fake_subprocess):
+        await git_pull(source)
+
+    assert "secret-token" in script_content_captured.get("content", "")
+    assert "oauth2" in script_content_captured.get("content", "")
+    assert script_content_captured.get("executable") is True
+
+
+@pytest.mark.asyncio
+async def test_git_pull_no_askpass_without_token(tmp_path):
+    """git_pull() does NOT set GIT_ASKPASS when http_token is empty."""
+    from steward.ansible.sources import git_pull
+
+    repo_path = tmp_path / "repo"
+    (repo_path / ".git").mkdir(parents=True)
+
+    source = {
+        "name": "repo",
+        "path": str(repo_path),
+        "url": "https://git.example.com/org/repo.git",
+        "branch": "main",
+        "http_token": "",
+    }
+
+    captured_env = {}
+
+    async def fake_subprocess(*args, **kwargs):
+        captured_env.update(kwargs.get("env") or {})
+        proc = MagicMock()
+        proc.returncode = 0
+        proc.communicate = AsyncMock(return_value=(b"", b""))
+        return proc
+
+    with patch("asyncio.create_subprocess_exec", side_effect=fake_subprocess):
+        await git_pull(source)
+
+    assert "GIT_ASKPASS" not in captured_env