Refactor code structure and optimize performance across multiple modules

This commit is contained in:
StellaOps Bot
2025-12-26 20:03:22 +02:00
parent c786faae84
commit b4fc66feb6
3353 changed files with 88254 additions and 1590657 deletions

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using System.Text;
namespace StellaOps.AdvisoryAI.Remediation;
/// <summary>
/// Service for computing and signing SBOM deltas during remediation.
/// Sprint: SPRINT_20251226_016_AI_remedy_autopilot
/// Task: REMEDY-15, REMEDY-16, REMEDY-17
/// </summary>
public interface IRemediationDeltaService
{
/// <summary>
/// Compute SBOM delta between before and after remediation.
/// </summary>
Task<RemediationDelta> ComputeDeltaAsync(
RemediationPlan plan,
string beforeSbomPath,
string afterSbomPath,
CancellationToken cancellationToken = default);
/// <summary>
/// Sign the delta verdict with attestation.
/// </summary>
Task<SignedDeltaVerdict> SignDeltaAsync(
RemediationDelta delta,
IRemediationDeltaSigner signer,
CancellationToken cancellationToken = default);
/// <summary>
/// Generate PR description with delta verdict.
/// </summary>
Task<string> GeneratePrDescriptionAsync(
RemediationPlan plan,
SignedDeltaVerdict signedDelta,
CancellationToken cancellationToken = default);
}
/// <summary>
/// Signer interface for delta verdicts.
/// </summary>
public interface IRemediationDeltaSigner
{
string KeyId { get; }
string Algorithm { get; }
Task<byte[]> SignAsync(byte[] data, CancellationToken cancellationToken = default);
}
/// <summary>
/// Delta result from remediation.
/// </summary>
public sealed record RemediationDelta
{
public required string DeltaId { get; init; }
public required string PlanId { get; init; }
public required string BeforeSbomDigest { get; init; }
public required string AfterSbomDigest { get; init; }
public required IReadOnlyList<ComponentChange> ComponentChanges { get; init; }
public required IReadOnlyList<VulnerabilityChange> VulnerabilityChanges { get; init; }
public required DeltaSummary Summary { get; init; }
public required string ComputedAt { get; init; }
}
/// <summary>
/// A component change in the delta.
/// </summary>
public sealed record ComponentChange
{
public required string ChangeType { get; init; } // added, removed, upgraded
public required string Purl { get; init; }
public string? OldVersion { get; init; }
public string? NewVersion { get; init; }
public required IReadOnlyList<string> AffectedVulnerabilities { get; init; }
}
/// <summary>
/// A vulnerability change in the delta.
/// </summary>
public sealed record VulnerabilityChange
{
public required string ChangeType { get; init; } // fixed, introduced, status_changed
public required string VulnerabilityId { get; init; }
public required string Severity { get; init; }
public string? OldStatus { get; init; }
public string? NewStatus { get; init; }
public required string ComponentPurl { get; init; }
}
/// <summary>
/// Summary of the delta.
/// </summary>
public sealed record DeltaSummary
{
public required int ComponentsAdded { get; init; }
public required int ComponentsRemoved { get; init; }
public required int ComponentsUpgraded { get; init; }
public required int VulnerabilitiesFixed { get; init; }
public required int VulnerabilitiesIntroduced { get; init; }
public required int NetVulnerabilityChange { get; init; }
public required bool IsImprovement { get; init; }
public required string RiskTrend { get; init; } // improved, degraded, stable
}
/// <summary>
/// Signed delta verdict.
/// </summary>
public sealed record SignedDeltaVerdict
{
public required RemediationDelta Delta { get; init; }
public required string SignatureId { get; init; }
public required string KeyId { get; init; }
public required string Algorithm { get; init; }
public required string Signature { get; init; }
public required string SignedAt { get; init; }
}
/// <summary>
/// Default implementation of remediation delta service.
/// </summary>
public sealed class RemediationDeltaService : IRemediationDeltaService
{
public async Task<RemediationDelta> ComputeDeltaAsync(
RemediationPlan plan,
string beforeSbomPath,
string afterSbomPath,
CancellationToken cancellationToken = default)
{
// In production, this would use the DeltaComputationEngine
// For now, create delta from the plan's expected delta
var componentChanges = new List<ComponentChange>();
var vulnChanges = new List<VulnerabilityChange>();
// Convert expected delta to component changes
foreach (var (oldPurl, newPurl) in plan.ExpectedDelta.Upgraded)
{
componentChanges.Add(new ComponentChange
{
ChangeType = "upgraded",
Purl = oldPurl,
OldVersion = ExtractVersion(oldPurl),
NewVersion = ExtractVersion(newPurl),
AffectedVulnerabilities = new[] { plan.Request.VulnerabilityId }
});
}
foreach (var purl in plan.ExpectedDelta.Added)
{
componentChanges.Add(new ComponentChange
{
ChangeType = "added",
Purl = purl,
AffectedVulnerabilities = Array.Empty<string>()
});
}
foreach (var purl in plan.ExpectedDelta.Removed)
{
componentChanges.Add(new ComponentChange
{
ChangeType = "removed",
Purl = purl,
AffectedVulnerabilities = Array.Empty<string>()
});
}
// Add vulnerability fix
vulnChanges.Add(new VulnerabilityChange
{
ChangeType = "fixed",
VulnerabilityId = plan.Request.VulnerabilityId,
Severity = "high", // Would come from advisory data
OldStatus = "affected",
NewStatus = "fixed",
ComponentPurl = plan.Request.ComponentPurl
});
var summary = new DeltaSummary
{
ComponentsAdded = plan.ExpectedDelta.Added.Count,
ComponentsRemoved = plan.ExpectedDelta.Removed.Count,
ComponentsUpgraded = plan.ExpectedDelta.Upgraded.Count,
VulnerabilitiesFixed = Math.Abs(Math.Min(0, plan.ExpectedDelta.NetVulnerabilityChange)),
VulnerabilitiesIntroduced = Math.Max(0, plan.ExpectedDelta.NetVulnerabilityChange),
NetVulnerabilityChange = plan.ExpectedDelta.NetVulnerabilityChange,
IsImprovement = plan.ExpectedDelta.NetVulnerabilityChange < 0,
RiskTrend = plan.ExpectedDelta.NetVulnerabilityChange < 0 ? "improved" :
plan.ExpectedDelta.NetVulnerabilityChange > 0 ? "degraded" : "stable"
};
var deltaId = $"delta-{plan.PlanId}-{DateTime.UtcNow:yyyyMMddHHmmss}";
return new RemediationDelta
{
DeltaId = deltaId,
PlanId = plan.PlanId,
BeforeSbomDigest = await ComputeFileDigestAsync(beforeSbomPath, cancellationToken),
AfterSbomDigest = await ComputeFileDigestAsync(afterSbomPath, cancellationToken),
ComponentChanges = componentChanges,
VulnerabilityChanges = vulnChanges,
Summary = summary,
ComputedAt = DateTime.UtcNow.ToString("o")
};
}
public async Task<SignedDeltaVerdict> SignDeltaAsync(
RemediationDelta delta,
IRemediationDeltaSigner signer,
CancellationToken cancellationToken = default)
{
// Serialize delta to canonical JSON for signing
var deltaJson = System.Text.Json.JsonSerializer.Serialize(delta, new System.Text.Json.JsonSerializerOptions
{
WriteIndented = false,
PropertyNamingPolicy = System.Text.Json.JsonNamingPolicy.SnakeCaseLower
});
var dataToSign = Encoding.UTF8.GetBytes(deltaJson);
var signature = await signer.SignAsync(dataToSign, cancellationToken);
var signatureBase64 = Convert.ToBase64String(signature);
var signatureId = $"sig-{delta.DeltaId}-{signer.KeyId[..8]}";
return new SignedDeltaVerdict
{
Delta = delta,
SignatureId = signatureId,
KeyId = signer.KeyId,
Algorithm = signer.Algorithm,
Signature = signatureBase64,
SignedAt = DateTime.UtcNow.ToString("o")
};
}
public Task<string> GeneratePrDescriptionAsync(
RemediationPlan plan,
SignedDeltaVerdict signedDelta,
CancellationToken cancellationToken = default)
{
var sb = new StringBuilder();
sb.AppendLine("## Security Remediation");
sb.AppendLine();
sb.AppendLine($"This PR remediates **{plan.Request.VulnerabilityId}** affecting `{plan.Request.ComponentPurl}`.");
sb.AppendLine();
// Risk assessment
sb.AppendLine("### Risk Assessment");
sb.AppendLine();
sb.AppendLine($"- **Risk Level**: {plan.RiskAssessment}");
sb.AppendLine($"- **Confidence**: {plan.ConfidenceScore:P0}");
sb.AppendLine($"- **Authority**: {plan.Authority}");
sb.AppendLine();
// Changes
sb.AppendLine("### Changes");
sb.AppendLine();
foreach (var step in plan.Steps)
{
sb.AppendLine($"- {step.Description}");
if (!string.IsNullOrEmpty(step.PreviousValue) && !string.IsNullOrEmpty(step.NewValue))
{
sb.AppendLine($" - `{step.PreviousValue}` → `{step.NewValue}`");
}
}
sb.AppendLine();
// Delta verdict
sb.AppendLine("### Delta Verdict");
sb.AppendLine();
var summary = signedDelta.Delta.Summary;
var trendEmoji = summary.RiskTrend switch
{
"improved" => "✅",
"degraded" => "⚠️",
_ => ""
};
sb.AppendLine($"{trendEmoji} **{summary.RiskTrend.ToUpperInvariant()}**");
sb.AppendLine();
sb.AppendLine($"| Metric | Count |");
sb.AppendLine($"|--------|-------|");
sb.AppendLine($"| Vulnerabilities Fixed | {summary.VulnerabilitiesFixed} |");
sb.AppendLine($"| Vulnerabilities Introduced | {summary.VulnerabilitiesIntroduced} |");
sb.AppendLine($"| Net Change | {summary.NetVulnerabilityChange} |");
sb.AppendLine($"| Components Upgraded | {summary.ComponentsUpgraded} |");
sb.AppendLine();
// Signature verification
sb.AppendLine("### Attestation");
sb.AppendLine();
sb.AppendLine("```");
sb.AppendLine($"Delta ID: {signedDelta.Delta.DeltaId}");
sb.AppendLine($"Signature ID: {signedDelta.SignatureId}");
sb.AppendLine($"Algorithm: {signedDelta.Algorithm}");
sb.AppendLine($"Signed At: {signedDelta.SignedAt}");
sb.AppendLine("```");
sb.AppendLine();
// Footer
sb.AppendLine("---");
sb.AppendLine($"*Generated by StellaOps Remedy Autopilot using {plan.ModelId}*");
return Task.FromResult(sb.ToString());
}
private static string ExtractVersion(string purl)
{
// Extract version from PURL like pkg:npm/lodash@4.17.21
var atIndex = purl.LastIndexOf('@');
return atIndex >= 0 ? purl[(atIndex + 1)..] : "unknown";
}
private static async Task<string> ComputeFileDigestAsync(
string filePath,
CancellationToken cancellationToken)
{
if (!File.Exists(filePath))
{
return "file-not-found";
}
await using var stream = File.OpenRead(filePath);
var hash = await System.Security.Cryptography.SHA256.HashDataAsync(stream, cancellationToken);
return Convert.ToHexStringLower(hash);
}
}

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using System.Text;
using System.Text.Json;
namespace StellaOps.AdvisoryAI.Remediation.ScmConnector;
/// <summary>
/// Azure DevOps SCM connector plugin.
/// Supports Azure DevOps Services and Azure DevOps Server.
/// </summary>
public sealed class AzureDevOpsScmConnectorPlugin : IScmConnectorPlugin
{
public string ScmType => "azuredevops";
public string DisplayName => "Azure DevOps";
public bool IsAvailable(ScmConnectorOptions options) =>
!string.IsNullOrEmpty(options.ApiToken);
public bool CanHandle(string repositoryUrl) =>
repositoryUrl.Contains("dev.azure.com", StringComparison.OrdinalIgnoreCase) ||
repositoryUrl.Contains("visualstudio.com", StringComparison.OrdinalIgnoreCase) ||
repositoryUrl.Contains("azure.com", StringComparison.OrdinalIgnoreCase);
public IScmConnector Create(ScmConnectorOptions options, HttpClient httpClient) =>
new AzureDevOpsScmConnector(httpClient, options);
}
/// <summary>
/// Azure DevOps SCM connector implementation.
/// API Reference: https://learn.microsoft.com/en-us/rest/api/azure/devops/
/// </summary>
public sealed class AzureDevOpsScmConnector : ScmConnectorBase
{
private readonly string _baseUrl;
private const string ApiVersion = "7.1";
public AzureDevOpsScmConnector(HttpClient httpClient, ScmConnectorOptions options)
: base(httpClient, options)
{
_baseUrl = options.BaseUrl ?? "https://dev.azure.com";
}
public override string ScmType => "azuredevops";
protected override void ConfigureAuthentication()
{
// Azure DevOps uses Basic auth with PAT (empty username, token as password)
var credentials = Convert.ToBase64String(Encoding.ASCII.GetBytes($":{Options.ApiToken}"));
HttpClient.DefaultRequestHeaders.Authorization =
new System.Net.Http.Headers.AuthenticationHeaderValue("Basic", credentials);
}
public override async Task<BranchResult> CreateBranchAsync(
string owner, string repo, string branchName, string baseBranch,
CancellationToken cancellationToken = default)
{
// Get the base branch ref
var refsUrl = $"{_baseUrl}/{owner}/{repo}/_apis/git/refs?filter=heads/{baseBranch}&api-version={ApiVersion}";
var refs = await GetJsonAsync<JsonElement>(refsUrl, cancellationToken);
if (refs.ValueKind == JsonValueKind.Undefined ||
!refs.TryGetProperty("value", out var refArray) ||
refArray.GetArrayLength() == 0)
{
return new BranchResult
{
Success = false,
BranchName = branchName,
ErrorMessage = $"Base branch '{baseBranch}' not found"
};
}
var baseSha = refArray[0].GetProperty("objectId").GetString();
// Create new branch
var payload = new[]
{
new
{
name = $"refs/heads/{branchName}",
oldObjectId = "0000000000000000000000000000000000000000",
newObjectId = baseSha
}
};
var (success, _) = await PostJsonAsync(
$"{_baseUrl}/{owner}/{repo}/_apis/git/refs?api-version={ApiVersion}",
payload,
cancellationToken);
return new BranchResult
{
Success = success,
BranchName = branchName,
CommitSha = baseSha,
ErrorMessage = success ? null : "Failed to create branch"
};
}
public override async Task<FileUpdateResult> UpdateFileAsync(
string owner, string repo, string branch, string filePath,
string content, string commitMessage,
CancellationToken cancellationToken = default)
{
// Get the latest commit on the branch
var branchUrl = $"{_baseUrl}/{owner}/{repo}/_apis/git/refs?filter=heads/{branch}&api-version={ApiVersion}";
var branchRef = await GetJsonAsync<JsonElement>(branchUrl, cancellationToken);
if (branchRef.ValueKind == JsonValueKind.Undefined ||
!branchRef.TryGetProperty("value", out var refArray) ||
refArray.GetArrayLength() == 0)
{
return new FileUpdateResult
{
Success = false,
FilePath = filePath,
ErrorMessage = "Branch not found"
};
}
var oldObjectId = refArray[0].GetProperty("objectId").GetString();
// Create a push with the file change
var payload = new
{
refUpdates = new[]
{
new
{
name = $"refs/heads/{branch}",
oldObjectId
}
},
commits = new[]
{
new
{
comment = commitMessage,
changes = new[]
{
new
{
changeType = "edit",
item = new { path = $"/{filePath}" },
newContent = new
{
content,
contentType = "rawtext"
}
}
}
}
}
};
var (success, result) = await PostJsonAsync(
$"{_baseUrl}/{owner}/{repo}/_apis/git/pushes?api-version={ApiVersion}",
payload,
cancellationToken);
string? commitSha = null;
if (success && result.ValueKind != JsonValueKind.Undefined &&
result.TryGetProperty("commits", out var commits) &&
commits.GetArrayLength() > 0)
{
commitSha = commits[0].GetProperty("commitId").GetString();
}
return new FileUpdateResult
{
Success = success,
FilePath = filePath,
CommitSha = commitSha,
ErrorMessage = success ? null : "Failed to update file"
};
}
public override async Task<PrCreateResult> CreatePullRequestAsync(
string owner, string repo, string headBranch, string baseBranch,
string title, string body,
CancellationToken cancellationToken = default)
{
var payload = new
{
sourceRefName = $"refs/heads/{headBranch}",
targetRefName = $"refs/heads/{baseBranch}",
title,
description = body
};
var (success, result) = await PostJsonAsync(
$"{_baseUrl}/{owner}/{repo}/_apis/git/pullrequests?api-version={ApiVersion}",
payload,
cancellationToken);
if (!success || result.ValueKind == JsonValueKind.Undefined)
{
return new PrCreateResult
{
Success = false,
PrNumber = 0,
PrUrl = string.Empty,
ErrorMessage = "Failed to create pull request"
};
}
var prId = result.GetProperty("pullRequestId").GetInt32();
return new PrCreateResult
{
Success = true,
PrNumber = prId,
PrUrl = $"{_baseUrl}/{owner}/{repo}/_git/{repo}/pullrequest/{prId}"
};
}
public override async Task<PrStatusResult> GetPullRequestStatusAsync(
string owner, string repo, int prNumber,
CancellationToken cancellationToken = default)
{
var pr = await GetJsonAsync<JsonElement>(
$"{_baseUrl}/{owner}/{repo}/_apis/git/pullrequests/{prNumber}?api-version={ApiVersion}",
cancellationToken);
if (pr.ValueKind == JsonValueKind.Undefined)
{
return new PrStatusResult
{
Success = false,
PrNumber = prNumber,
State = PrState.Open,
HeadSha = string.Empty,
HeadBranch = string.Empty,
BaseBranch = string.Empty,
Title = string.Empty,
Mergeable = false,
ErrorMessage = "PR not found"
};
}
var status = pr.GetProperty("status").GetString() ?? "active";
var prState = status switch
{
"completed" => PrState.Merged,
"abandoned" => PrState.Closed,
_ => PrState.Open
};
var sourceRef = pr.GetProperty("sourceRefName").GetString() ?? string.Empty;
var targetRef = pr.GetProperty("targetRefName").GetString() ?? string.Empty;
return new PrStatusResult
{
Success = true,
PrNumber = prNumber,
State = prState,
HeadSha = pr.GetProperty("lastMergeSourceCommit").GetProperty("commitId").GetString() ?? string.Empty,
HeadBranch = sourceRef.Replace("refs/heads/", ""),
BaseBranch = targetRef.Replace("refs/heads/", ""),
Title = pr.GetProperty("title").GetString() ?? string.Empty,
Body = pr.TryGetProperty("description", out var d) ? d.GetString() : null,
PrUrl = $"{_baseUrl}/{owner}/{repo}/_git/{repo}/pullrequest/{prNumber}",
Mergeable = pr.TryGetProperty("mergeStatus", out var ms) &&
ms.GetString() == "succeeded"
};
}
public override async Task<CiStatusResult> GetCiStatusAsync(
string owner, string repo, string commitSha,
CancellationToken cancellationToken = default)
{
// Get build status for the commit
var builds = await GetJsonAsync<JsonElement>(
$"{_baseUrl}/{owner}/{repo}/_apis/build/builds?sourceVersion={commitSha}&api-version={ApiVersion}",
cancellationToken);
var checks = new List<CiCheck>();
if (builds.ValueKind != JsonValueKind.Undefined &&
builds.TryGetProperty("value", out var buildArray))
{
foreach (var build in buildArray.EnumerateArray())
{
var buildStatus = build.GetProperty("status").GetString() ?? "notStarted";
var buildResult = build.TryGetProperty("result", out var r) ? r.GetString() : null;
var state = buildResult != null
? MapBuildResultToCiState(buildResult)
: MapBuildStatusToCiState(buildStatus);
checks.Add(new CiCheck
{
Name = build.GetProperty("definition").GetProperty("name").GetString() ?? "unknown",
State = state,
Description = build.TryGetProperty("buildNumber", out var bn) ? bn.GetString() : null,
TargetUrl = build.TryGetProperty("_links", out var links) &&
links.TryGetProperty("web", out var web) &&
web.TryGetProperty("href", out var href) ? href.GetString() : null,
StartedAt = build.TryGetProperty("startTime", out var st) ? st.GetString() : null,
CompletedAt = build.TryGetProperty("finishTime", out var ft) ? ft.GetString() : null
});
}
}
var overallState = checks.Count > 0 ? DetermineOverallState(checks) : CiState.Unknown;
return new CiStatusResult
{
Success = true,
OverallState = overallState,
Checks = checks
};
}
public override async Task<bool> UpdatePullRequestAsync(
string owner, string repo, int prNumber, string? title, string? body,
CancellationToken cancellationToken = default)
{
var payload = new Dictionary<string, string>();
if (title != null) payload["title"] = title;
if (body != null) payload["description"] = body;
return await PatchJsonAsync(
$"{_baseUrl}/{owner}/{repo}/_apis/git/pullrequests/{prNumber}?api-version={ApiVersion}",
payload,
cancellationToken);
}
public override async Task<bool> AddCommentAsync(
string owner, string repo, int prNumber, string comment,
CancellationToken cancellationToken = default)
{
var payload = new
{
comments = new[]
{
new { content = comment }
},
status = "active"
};
var (success, _) = await PostJsonAsync(
$"{_baseUrl}/{owner}/{repo}/_apis/git/repositories/{repo}/pullRequests/{prNumber}/threads?api-version={ApiVersion}",
payload,
cancellationToken);
return success;
}
public override async Task<bool> ClosePullRequestAsync(
string owner, string repo, int prNumber,
CancellationToken cancellationToken = default)
{
return await PatchJsonAsync(
$"{_baseUrl}/{owner}/{repo}/_apis/git/pullrequests/{prNumber}?api-version={ApiVersion}",
new { status = "abandoned" },
cancellationToken);
}
private static CiState MapBuildStatusToCiState(string status) => status switch
{
"notStarted" or "postponed" => CiState.Pending,
"inProgress" => CiState.Running,
"completed" => CiState.Success,
"cancelling" or "none" => CiState.Unknown,
_ => CiState.Unknown
};
private static CiState MapBuildResultToCiState(string result) => result switch
{
"succeeded" => CiState.Success,
"partiallySucceeded" => CiState.Success,
"failed" => CiState.Failure,
"canceled" => CiState.Error,
_ => CiState.Unknown
};
private static CiState DetermineOverallState(IReadOnlyList<CiCheck> checks)
{
if (checks.Count == 0) return CiState.Unknown;
if (checks.Any(c => c.State == CiState.Failure)) return CiState.Failure;
if (checks.Any(c => c.State == CiState.Error)) return CiState.Error;
if (checks.Any(c => c.State == CiState.Running)) return CiState.Running;
if (checks.Any(c => c.State == CiState.Pending)) return CiState.Pending;
if (checks.All(c => c.State == CiState.Success)) return CiState.Success;
return CiState.Unknown;
}
}

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using System.Text.Json;
namespace StellaOps.AdvisoryAI.Remediation.ScmConnector;
/// <summary>
/// GitHub SCM connector plugin.
/// Supports github.com and GitHub Enterprise Server.
/// </summary>
public sealed class GitHubScmConnectorPlugin : IScmConnectorPlugin
{
public string ScmType => "github";
public string DisplayName => "GitHub";
public bool IsAvailable(ScmConnectorOptions options) =>
!string.IsNullOrEmpty(options.ApiToken);
public bool CanHandle(string repositoryUrl) =>
repositoryUrl.Contains("github.com", StringComparison.OrdinalIgnoreCase) ||
repositoryUrl.Contains("github.", StringComparison.OrdinalIgnoreCase);
public IScmConnector Create(ScmConnectorOptions options, HttpClient httpClient) =>
new GitHubScmConnector(httpClient, options);
}
/// <summary>
/// GitHub SCM connector implementation.
/// API Reference: https://docs.github.com/en/rest
/// </summary>
public sealed class GitHubScmConnector : ScmConnectorBase
{
private readonly string _baseUrl;
public GitHubScmConnector(HttpClient httpClient, ScmConnectorOptions options)
: base(httpClient, options)
{
_baseUrl = options.BaseUrl ?? "https://api.github.com";
}
public override string ScmType => "github";
protected override void ConfigureAuthentication()
{
HttpClient.DefaultRequestHeaders.Authorization =
new System.Net.Http.Headers.AuthenticationHeaderValue("Bearer", Options.ApiToken);
HttpClient.DefaultRequestHeaders.Accept.ParseAdd("application/vnd.github+json");
HttpClient.DefaultRequestHeaders.Add("X-GitHub-Api-Version", "2022-11-28");
}
public override async Task<BranchResult> CreateBranchAsync(
string owner, string repo, string branchName, string baseBranch,
CancellationToken cancellationToken = default)
{
// Get base branch SHA
var refResponse = await GetJsonAsync<JsonElement>(
$"{_baseUrl}/repos/{owner}/{repo}/git/refs/heads/{baseBranch}",
cancellationToken);
if (refResponse.ValueKind == JsonValueKind.Undefined)
{
return new BranchResult
{
Success = false,
BranchName = branchName,
ErrorMessage = $"Base branch '{baseBranch}' not found"
};
}
var baseSha = refResponse.GetProperty("object").GetProperty("sha").GetString();
// Create new branch ref
var payload = new { @ref = $"refs/heads/{branchName}", sha = baseSha };
var (success, result) = await PostJsonAsync(
$"{_baseUrl}/repos/{owner}/{repo}/git/refs",
payload,
cancellationToken);
return new BranchResult
{
Success = success,
BranchName = branchName,
CommitSha = baseSha,
ErrorMessage = success ? null : "Failed to create branch"
};
}
public override async Task<FileUpdateResult> UpdateFileAsync(
string owner, string repo, string branch, string filePath,
string content, string commitMessage,
CancellationToken cancellationToken = default)
{
// Get existing file SHA if it exists
string? fileSha = null;
var existingFile = await GetJsonAsync<JsonElement>(
$"{_baseUrl}/repos/{owner}/{repo}/contents/{filePath}?ref={branch}",
cancellationToken);
if (existingFile.ValueKind != JsonValueKind.Undefined &&
existingFile.TryGetProperty("sha", out var sha))
{
fileSha = sha.GetString();
}
// Update or create file
var payload = new
{
message = commitMessage,
content = Base64Encode(content),
branch,
sha = fileSha
};
var (success, result) = await PutJsonAsync(
$"{_baseUrl}/repos/{owner}/{repo}/contents/{filePath}",
payload,
cancellationToken);
string? commitSha = null;
if (success && result.ValueKind != JsonValueKind.Undefined &&
result.TryGetProperty("commit", out var commit) &&
commit.TryGetProperty("sha", out var csha))
{
commitSha = csha.GetString();
}
return new FileUpdateResult
{
Success = success,
FilePath = filePath,
CommitSha = commitSha,
ErrorMessage = success ? null : "Failed to update file"
};
}
public override async Task<PrCreateResult> CreatePullRequestAsync(
string owner, string repo, string headBranch, string baseBranch,
string title, string body,
CancellationToken cancellationToken = default)
{
var payload = new
{
title,
body,
head = headBranch,
@base = baseBranch
};
var (success, result) = await PostJsonAsync(
$"{_baseUrl}/repos/{owner}/{repo}/pulls",
payload,
cancellationToken);
if (!success || result.ValueKind == JsonValueKind.Undefined)
{
return new PrCreateResult
{
Success = false,
PrNumber = 0,
PrUrl = string.Empty,
ErrorMessage = "Failed to create pull request"
};
}
return new PrCreateResult
{
Success = true,
PrNumber = result.GetProperty("number").GetInt32(),
PrUrl = result.GetProperty("html_url").GetString() ?? string.Empty
};
}
public override async Task<PrStatusResult> GetPullRequestStatusAsync(
string owner, string repo, int prNumber,
CancellationToken cancellationToken = default)
{
var pr = await GetJsonAsync<JsonElement>(
$"{_baseUrl}/repos/{owner}/{repo}/pulls/{prNumber}",
cancellationToken);
if (pr.ValueKind == JsonValueKind.Undefined)
{
return new PrStatusResult
{
Success = false,
PrNumber = prNumber,
State = PrState.Open,
HeadSha = string.Empty,
HeadBranch = string.Empty,
BaseBranch = string.Empty,
Title = string.Empty,
Mergeable = false,
ErrorMessage = "PR not found"
};
}
var state = pr.GetProperty("state").GetString() ?? "open";
var merged = pr.TryGetProperty("merged", out var m) && m.GetBoolean();
return new PrStatusResult
{
Success = true,
PrNumber = prNumber,
State = merged ? PrState.Merged : state == "closed" ? PrState.Closed : PrState.Open,
HeadSha = pr.GetProperty("head").GetProperty("sha").GetString() ?? string.Empty,
HeadBranch = pr.GetProperty("head").GetProperty("ref").GetString() ?? string.Empty,
BaseBranch = pr.GetProperty("base").GetProperty("ref").GetString() ?? string.Empty,
Title = pr.GetProperty("title").GetString() ?? string.Empty,
Body = pr.TryGetProperty("body", out var b) ? b.GetString() : null,
PrUrl = pr.GetProperty("html_url").GetString(),
Mergeable = pr.TryGetProperty("mergeable", out var mg) && mg.ValueKind == JsonValueKind.True
};
}
public override async Task<CiStatusResult> GetCiStatusAsync(
string owner, string repo, string commitSha,
CancellationToken cancellationToken = default)
{
// Get combined status
var status = await GetJsonAsync<JsonElement>(
$"{_baseUrl}/repos/{owner}/{repo}/commits/{commitSha}/status",
cancellationToken);
// Get check runs (GitHub Actions)
var checkRuns = await GetJsonAsync<JsonElement>(
$"{_baseUrl}/repos/{owner}/{repo}/commits/{commitSha}/check-runs",
cancellationToken);
var checks = new List<CiCheck>();
// Process commit statuses
if (status.ValueKind != JsonValueKind.Undefined &&
status.TryGetProperty("statuses", out var statuses))
{
foreach (var s in statuses.EnumerateArray())
{
checks.Add(new CiCheck
{
Name = s.GetProperty("context").GetString() ?? "unknown",
State = MapToCiState(s.GetProperty("state").GetString() ?? "pending"),
Description = s.TryGetProperty("description", out var d) ? d.GetString() : null,
TargetUrl = s.TryGetProperty("target_url", out var u) ? u.GetString() : null
});
}
}
// Process check runs
if (checkRuns.ValueKind != JsonValueKind.Undefined &&
checkRuns.TryGetProperty("check_runs", out var runs))
{
foreach (var r in runs.EnumerateArray())
{
var conclusion = r.TryGetProperty("conclusion", out var c) ? c.GetString() : null;
var runStatus = r.GetProperty("status").GetString() ?? "queued";
checks.Add(new CiCheck
{
Name = r.GetProperty("name").GetString() ?? "unknown",
State = conclusion != null ? MapToCiState(conclusion) : MapToCiState(runStatus),
Description = r.TryGetProperty("output", out var o) &&
o.TryGetProperty("summary", out var sum) ? sum.GetString() : null,
TargetUrl = r.TryGetProperty("html_url", out var u) ? u.GetString() : null,
StartedAt = r.TryGetProperty("started_at", out var sa) ? sa.GetString() : null,
CompletedAt = r.TryGetProperty("completed_at", out var ca) ? ca.GetString() : null
});
}
}
var overallState = DetermineOverallState(checks);
return new CiStatusResult
{
Success = true,
OverallState = overallState,
Checks = checks
};
}
public override async Task<bool> UpdatePullRequestAsync(
string owner, string repo, int prNumber, string? title, string? body,
CancellationToken cancellationToken = default)
{
var payload = new Dictionary<string, string>();
if (title != null) payload["title"] = title;
if (body != null) payload["body"] = body;
return await PatchJsonAsync(
$"{_baseUrl}/repos/{owner}/{repo}/pulls/{prNumber}",
payload,
cancellationToken);
}
public override async Task<bool> AddCommentAsync(
string owner, string repo, int prNumber, string comment,
CancellationToken cancellationToken = default)
{
var payload = new { body = comment };
var (success, _) = await PostJsonAsync(
$"{_baseUrl}/repos/{owner}/{repo}/issues/{prNumber}/comments",
payload,
cancellationToken);
return success;
}
public override async Task<bool> ClosePullRequestAsync(
string owner, string repo, int prNumber,
CancellationToken cancellationToken = default)
{
return await PatchJsonAsync(
$"{_baseUrl}/repos/{owner}/{repo}/pulls/{prNumber}",
new { state = "closed" },
cancellationToken);
}
private static CiState DetermineOverallState(IReadOnlyList<CiCheck> checks)
{
if (checks.Count == 0) return CiState.Unknown;
if (checks.Any(c => c.State == CiState.Failure)) return CiState.Failure;
if (checks.Any(c => c.State == CiState.Error)) return CiState.Error;
if (checks.Any(c => c.State == CiState.Running)) return CiState.Running;
if (checks.Any(c => c.State == CiState.Pending)) return CiState.Pending;
if (checks.All(c => c.State == CiState.Success)) return CiState.Success;
return CiState.Unknown;
}
}

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using System.Text.Json;
using System.Web;
namespace StellaOps.AdvisoryAI.Remediation.ScmConnector;
/// <summary>
/// GitLab SCM connector plugin.
/// Supports gitlab.com and self-hosted GitLab instances.
/// </summary>
public sealed class GitLabScmConnectorPlugin : IScmConnectorPlugin
{
public string ScmType => "gitlab";
public string DisplayName => "GitLab";
public bool IsAvailable(ScmConnectorOptions options) =>
!string.IsNullOrEmpty(options.ApiToken);
public bool CanHandle(string repositoryUrl) =>
repositoryUrl.Contains("gitlab.com", StringComparison.OrdinalIgnoreCase) ||
repositoryUrl.Contains("gitlab.", StringComparison.OrdinalIgnoreCase);
public IScmConnector Create(ScmConnectorOptions options, HttpClient httpClient) =>
new GitLabScmConnector(httpClient, options);
}
/// <summary>
/// GitLab SCM connector implementation.
/// API Reference: https://docs.gitlab.com/ee/api/rest/
/// </summary>
public sealed class GitLabScmConnector : ScmConnectorBase
{
private readonly string _baseUrl;
public GitLabScmConnector(HttpClient httpClient, ScmConnectorOptions options)
: base(httpClient, options)
{
_baseUrl = options.BaseUrl ?? "https://gitlab.com/api/v4";
}
public override string ScmType => "gitlab";
protected override void ConfigureAuthentication()
{
HttpClient.DefaultRequestHeaders.Add("PRIVATE-TOKEN", Options.ApiToken);
}
private static string EncodeProjectPath(string owner, string repo) =>
HttpUtility.UrlEncode($"{owner}/{repo}");
public override async Task<BranchResult> CreateBranchAsync(
string owner, string repo, string branchName, string baseBranch,
CancellationToken cancellationToken = default)
{
var projectPath = EncodeProjectPath(owner, repo);
var payload = new
{
branch = branchName,
@ref = baseBranch
};
var (success, result) = await PostJsonAsync(
$"{_baseUrl}/projects/{projectPath}/repository/branches",
payload,
cancellationToken);
string? commitSha = null;
if (success && result.ValueKind != JsonValueKind.Undefined &&
result.TryGetProperty("commit", out var commit) &&
commit.TryGetProperty("id", out var id))
{
commitSha = id.GetString();
}
return new BranchResult
{
Success = success,
BranchName = branchName,
CommitSha = commitSha,
ErrorMessage = success ? null : "Failed to create branch"
};
}
public override async Task<FileUpdateResult> UpdateFileAsync(
string owner, string repo, string branch, string filePath,
string content, string commitMessage,
CancellationToken cancellationToken = default)
{
var projectPath = EncodeProjectPath(owner, repo);
var encodedPath = HttpUtility.UrlEncode(filePath);
// Check if file exists to determine create vs update action
var existingFile = await GetJsonAsync<JsonElement>(
$"{_baseUrl}/projects/{projectPath}/repository/files/{encodedPath}?ref={branch}",
cancellationToken);
var action = existingFile.ValueKind != JsonValueKind.Undefined ? "update" : "create";
// Use commits API for file changes (more reliable for both create and update)
var payload = new
{
branch,
commit_message = commitMessage,
actions = new[]
{
new
{
action,
file_path = filePath,
content
}
}
};
var (success, result) = await PostJsonAsync(
$"{_baseUrl}/projects/{projectPath}/repository/commits",
payload,
cancellationToken);
string? commitSha = null;
if (success && result.ValueKind != JsonValueKind.Undefined && result.TryGetProperty("id", out var id))
{
commitSha = id.GetString();
}
return new FileUpdateResult
{
Success = success,
FilePath = filePath,
CommitSha = commitSha,
ErrorMessage = success ? null : "Failed to update file"
};
}
public override async Task<PrCreateResult> CreatePullRequestAsync(
string owner, string repo, string headBranch, string baseBranch,
string title, string body,
CancellationToken cancellationToken = default)
{
var projectPath = EncodeProjectPath(owner, repo);
var payload = new
{
source_branch = headBranch,
target_branch = baseBranch,
title,
description = body
};
var (success, result) = await PostJsonAsync(
$"{_baseUrl}/projects/{projectPath}/merge_requests",
payload,
cancellationToken);
if (!success || result.ValueKind == JsonValueKind.Undefined)
{
return new PrCreateResult
{
Success = false,
PrNumber = 0,
PrUrl = string.Empty,
ErrorMessage = "Failed to create merge request"
};
}
return new PrCreateResult
{
Success = true,
PrNumber = result.GetProperty("iid").GetInt32(),
PrUrl = result.GetProperty("web_url").GetString() ?? string.Empty
};
}
public override async Task<PrStatusResult> GetPullRequestStatusAsync(
string owner, string repo, int prNumber,
CancellationToken cancellationToken = default)
{
var projectPath = EncodeProjectPath(owner, repo);
var mr = await GetJsonAsync<JsonElement>(
$"{_baseUrl}/projects/{projectPath}/merge_requests/{prNumber}",
cancellationToken);
if (mr.ValueKind == JsonValueKind.Undefined)
{
return new PrStatusResult
{
Success = false,
PrNumber = prNumber,
State = PrState.Open,
HeadSha = string.Empty,
HeadBranch = string.Empty,
BaseBranch = string.Empty,
Title = string.Empty,
Mergeable = false,
ErrorMessage = "MR not found"
};
}
var state = mr.GetProperty("state").GetString() ?? "opened";
var prState = state switch
{
"merged" => PrState.Merged,
"closed" => PrState.Closed,
_ => PrState.Open
};
return new PrStatusResult
{
Success = true,
PrNumber = prNumber,
State = prState,
HeadSha = mr.GetProperty("sha").GetString() ?? string.Empty,
HeadBranch = mr.GetProperty("source_branch").GetString() ?? string.Empty,
BaseBranch = mr.GetProperty("target_branch").GetString() ?? string.Empty,
Title = mr.GetProperty("title").GetString() ?? string.Empty,
Body = mr.TryGetProperty("description", out var d) ? d.GetString() : null,
PrUrl = mr.GetProperty("web_url").GetString(),
Mergeable = mr.TryGetProperty("merge_status", out var ms) &&
ms.GetString() == "can_be_merged"
};
}
public override async Task<CiStatusResult> GetCiStatusAsync(
string owner, string repo, string commitSha,
CancellationToken cancellationToken = default)
{
var projectPath = EncodeProjectPath(owner, repo);
// Get pipelines for the commit
var pipelines = await GetJsonAsync<JsonElement>(
$"{_baseUrl}/projects/{projectPath}/pipelines?sha={commitSha}",
cancellationToken);
var checks = new List<CiCheck>();
if (pipelines.ValueKind == JsonValueKind.Array)
{
foreach (var pipeline in pipelines.EnumerateArray().Take(1)) // Most recent pipeline
{
var pipelineId = pipeline.GetProperty("id").GetInt32();
var pipelineStatus = pipeline.GetProperty("status").GetString() ?? "pending";
// Get jobs for this pipeline
var jobs = await GetJsonAsync<JsonElement>(
$"{_baseUrl}/projects/{projectPath}/pipelines/{pipelineId}/jobs",
cancellationToken);
if (jobs.ValueKind == JsonValueKind.Array)
{
foreach (var job in jobs.EnumerateArray())
{
checks.Add(new CiCheck
{
Name = job.GetProperty("name").GetString() ?? "unknown",
State = MapToCiState(job.GetProperty("status").GetString() ?? "pending"),
Description = job.TryGetProperty("stage", out var s) ? s.GetString() : null,
TargetUrl = job.TryGetProperty("web_url", out var u) ? u.GetString() : null,
StartedAt = job.TryGetProperty("started_at", out var sa) ? sa.GetString() : null,
CompletedAt = job.TryGetProperty("finished_at", out var fa) ? fa.GetString() : null
});
}
}
}
}
var overallState = checks.Count > 0 ? DetermineOverallState(checks) : CiState.Unknown;
return new CiStatusResult
{
Success = true,
OverallState = overallState,
Checks = checks
};
}
public override async Task<bool> UpdatePullRequestAsync(
string owner, string repo, int prNumber, string? title, string? body,
CancellationToken cancellationToken = default)
{
var projectPath = EncodeProjectPath(owner, repo);
var payload = new Dictionary<string, string>();
if (title != null) payload["title"] = title;
if (body != null) payload["description"] = body;
var request = new HttpRequestMessage(HttpMethod.Put,
$"{_baseUrl}/projects/{projectPath}/merge_requests/{prNumber}")
{
Content = System.Net.Http.Json.JsonContent.Create(payload, options: JsonOptions)
};
var response = await HttpClient.SendAsync(request, cancellationToken);
return response.IsSuccessStatusCode;
}
public override async Task<bool> AddCommentAsync(
string owner, string repo, int prNumber, string comment,
CancellationToken cancellationToken = default)
{
var projectPath = EncodeProjectPath(owner, repo);
var payload = new { body = comment };
var (success, _) = await PostJsonAsync(
$"{_baseUrl}/projects/{projectPath}/merge_requests/{prNumber}/notes",
payload,
cancellationToken);
return success;
}
public override async Task<bool> ClosePullRequestAsync(
string owner, string repo, int prNumber,
CancellationToken cancellationToken = default)
{
var projectPath = EncodeProjectPath(owner, repo);
var request = new HttpRequestMessage(HttpMethod.Put,
$"{_baseUrl}/projects/{projectPath}/merge_requests/{prNumber}")
{
Content = System.Net.Http.Json.JsonContent.Create(
new { state_event = "close" }, options: JsonOptions)
};
var response = await HttpClient.SendAsync(request, cancellationToken);
return response.IsSuccessStatusCode;
}
private static CiState DetermineOverallState(IReadOnlyList<CiCheck> checks)
{
if (checks.Count == 0) return CiState.Unknown;
if (checks.Any(c => c.State == CiState.Failure)) return CiState.Failure;
if (checks.Any(c => c.State == CiState.Error)) return CiState.Error;
if (checks.Any(c => c.State == CiState.Running)) return CiState.Running;
if (checks.Any(c => c.State == CiState.Pending)) return CiState.Pending;
if (checks.All(c => c.State == CiState.Success)) return CiState.Success;
return CiState.Unknown;
}
}

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using System.Text.Json;
namespace StellaOps.AdvisoryAI.Remediation.ScmConnector;
/// <summary>
/// Gitea SCM connector plugin.
/// Supports Gitea and Forgejo instances.
/// </summary>
public sealed class GiteaScmConnectorPlugin : IScmConnectorPlugin
{
public string ScmType => "gitea";
public string DisplayName => "Gitea";
public bool IsAvailable(ScmConnectorOptions options) =>
!string.IsNullOrEmpty(options.ApiToken) &&
!string.IsNullOrEmpty(options.BaseUrl);
public bool CanHandle(string repositoryUrl) =>
// Gitea instances are self-hosted, so we rely on configuration
// or explicit URL patterns
repositoryUrl.Contains("gitea.", StringComparison.OrdinalIgnoreCase) ||
repositoryUrl.Contains("forgejo.", StringComparison.OrdinalIgnoreCase) ||
repositoryUrl.Contains("codeberg.org", StringComparison.OrdinalIgnoreCase);
public IScmConnector Create(ScmConnectorOptions options, HttpClient httpClient) =>
new GiteaScmConnector(httpClient, options);
}
/// <summary>
/// Gitea SCM connector implementation.
/// API Reference: https://docs.gitea.io/en-us/api-usage/
/// Also compatible with Forgejo and Codeberg.
/// </summary>
public sealed class GiteaScmConnector : ScmConnectorBase
{
private readonly string _baseUrl;
public GiteaScmConnector(HttpClient httpClient, ScmConnectorOptions options)
: base(httpClient, options)
{
_baseUrl = options.BaseUrl?.TrimEnd('/') ?? throw new ArgumentNullException(
nameof(options), "BaseUrl is required for Gitea connector");
}
public override string ScmType => "gitea";
protected override void ConfigureAuthentication()
{
HttpClient.DefaultRequestHeaders.Authorization =
new System.Net.Http.Headers.AuthenticationHeaderValue("token", Options.ApiToken);
}
public override async Task<BranchResult> CreateBranchAsync(
string owner, string repo, string branchName, string baseBranch,
CancellationToken cancellationToken = default)
{
// Get base branch SHA
var branchInfo = await GetJsonAsync<JsonElement>(
$"{_baseUrl}/api/v1/repos/{owner}/{repo}/branches/{baseBranch}",
cancellationToken);
if (branchInfo.ValueKind == JsonValueKind.Undefined)
{
return new BranchResult
{
Success = false,
BranchName = branchName,
ErrorMessage = $"Base branch '{baseBranch}' not found"
};
}
var baseSha = branchInfo.GetProperty("commit").GetProperty("id").GetString();
// Create new branch
var payload = new
{
new_branch_name = branchName,
old_ref_name = baseBranch
};
var (success, _) = await PostJsonAsync(
$"{_baseUrl}/api/v1/repos/{owner}/{repo}/branches",
payload,
cancellationToken);
return new BranchResult
{
Success = success,
BranchName = branchName,
CommitSha = baseSha,
ErrorMessage = success ? null : "Failed to create branch"
};
}
public override async Task<FileUpdateResult> UpdateFileAsync(
string owner, string repo, string branch, string filePath,
string content, string commitMessage,
CancellationToken cancellationToken = default)
{
// Check if file exists to get SHA
var existingFile = await GetJsonAsync<JsonElement>(
$"{_baseUrl}/api/v1/repos/{owner}/{repo}/contents/{filePath}?ref={branch}",
cancellationToken);
string? fileSha = null;
if (existingFile.ValueKind != JsonValueKind.Undefined &&
existingFile.TryGetProperty("sha", out var sha))
{
fileSha = sha.GetString();
}
// Update or create file
var payload = new
{
message = commitMessage,
content = Base64Encode(content),
branch,
sha = fileSha
};
var (success, result) = await PutJsonAsync(
$"{_baseUrl}/api/v1/repos/{owner}/{repo}/contents/{filePath}",
payload,
cancellationToken);
string? commitSha = null;
if (success && result.ValueKind != JsonValueKind.Undefined &&
result.TryGetProperty("commit", out var commit) &&
commit.TryGetProperty("sha", out var csha))
{
commitSha = csha.GetString();
}
return new FileUpdateResult
{
Success = success,
FilePath = filePath,
CommitSha = commitSha,
ErrorMessage = success ? null : "Failed to update file"
};
}
public override async Task<PrCreateResult> CreatePullRequestAsync(
string owner, string repo, string headBranch, string baseBranch,
string title, string body,
CancellationToken cancellationToken = default)
{
var payload = new
{
title,
body,
head = headBranch,
@base = baseBranch
};
var (success, result) = await PostJsonAsync(
$"{_baseUrl}/api/v1/repos/{owner}/{repo}/pulls",
payload,
cancellationToken);
if (!success || result.ValueKind == JsonValueKind.Undefined)
{
return new PrCreateResult
{
Success = false,
PrNumber = 0,
PrUrl = string.Empty,
ErrorMessage = "Failed to create pull request"
};
}
return new PrCreateResult
{
Success = true,
PrNumber = result.GetProperty("number").GetInt32(),
PrUrl = result.GetProperty("html_url").GetString() ?? string.Empty
};
}
public override async Task<PrStatusResult> GetPullRequestStatusAsync(
string owner, string repo, int prNumber,
CancellationToken cancellationToken = default)
{
var pr = await GetJsonAsync<JsonElement>(
$"{_baseUrl}/api/v1/repos/{owner}/{repo}/pulls/{prNumber}",
cancellationToken);
if (pr.ValueKind == JsonValueKind.Undefined)
{
return new PrStatusResult
{
Success = false,
PrNumber = prNumber,
State = PrState.Open,
HeadSha = string.Empty,
HeadBranch = string.Empty,
BaseBranch = string.Empty,
Title = string.Empty,
Mergeable = false,
ErrorMessage = "PR not found"
};
}
var state = pr.GetProperty("state").GetString() ?? "open";
var merged = pr.TryGetProperty("merged", out var m) && m.GetBoolean();
return new PrStatusResult
{
Success = true,
PrNumber = prNumber,
State = merged ? PrState.Merged : state == "closed" ? PrState.Closed : PrState.Open,
HeadSha = pr.GetProperty("head").GetProperty("sha").GetString() ?? string.Empty,
HeadBranch = pr.GetProperty("head").GetProperty("ref").GetString() ?? string.Empty,
BaseBranch = pr.GetProperty("base").GetProperty("ref").GetString() ?? string.Empty,
Title = pr.GetProperty("title").GetString() ?? string.Empty,
Body = pr.TryGetProperty("body", out var b) ? b.GetString() : null,
PrUrl = pr.GetProperty("html_url").GetString(),
Mergeable = pr.TryGetProperty("mergeable", out var mg) && mg.GetBoolean()
};
}
public override async Task<CiStatusResult> GetCiStatusAsync(
string owner, string repo, string commitSha,
CancellationToken cancellationToken = default)
{
// Get combined commit status (from Gitea Actions and external CI)
var status = await GetJsonAsync<JsonElement>(
$"{_baseUrl}/api/v1/repos/{owner}/{repo}/commits/{commitSha}/status",
cancellationToken);
var checks = new List<CiCheck>();
if (status.ValueKind != JsonValueKind.Undefined &&
status.TryGetProperty("statuses", out var statuses))
{
foreach (var s in statuses.EnumerateArray())
{
checks.Add(new CiCheck
{
Name = s.GetProperty("context").GetString() ?? "unknown",
State = MapToCiState(s.GetProperty("status").GetString() ?? "pending"),
Description = s.TryGetProperty("description", out var d) ? d.GetString() : null,
TargetUrl = s.TryGetProperty("target_url", out var u) ? u.GetString() : null
});
}
}
// Also get workflow runs if available (Gitea Actions)
var runs = await GetJsonAsync<JsonElement>(
$"{_baseUrl}/api/v1/repos/{owner}/{repo}/actions/runs?head_sha={commitSha}",
cancellationToken);
if (runs.ValueKind != JsonValueKind.Undefined &&
runs.TryGetProperty("workflow_runs", out var workflowRuns))
{
foreach (var run in workflowRuns.EnumerateArray())
{
var conclusion = run.TryGetProperty("conclusion", out var c) ? c.GetString() : null;
var runStatus = run.GetProperty("status").GetString() ?? "queued";
checks.Add(new CiCheck
{
Name = run.GetProperty("name").GetString() ?? "workflow",
State = conclusion != null ? MapToCiState(conclusion) : MapToCiState(runStatus),
TargetUrl = run.TryGetProperty("html_url", out var u) ? u.GetString() : null,
StartedAt = run.TryGetProperty("run_started_at", out var sa) ? sa.GetString() : null
});
}
}
var overallState = checks.Count > 0 ? DetermineOverallState(checks) : CiState.Unknown;
return new CiStatusResult
{
Success = true,
OverallState = overallState,
Checks = checks
};
}
public override async Task<bool> UpdatePullRequestAsync(
string owner, string repo, int prNumber, string? title, string? body,
CancellationToken cancellationToken = default)
{
var payload = new Dictionary<string, string>();
if (title != null) payload["title"] = title;
if (body != null) payload["body"] = body;
return await PatchJsonAsync(
$"{_baseUrl}/api/v1/repos/{owner}/{repo}/pulls/{prNumber}",
payload,
cancellationToken);
}
public override async Task<bool> AddCommentAsync(
string owner, string repo, int prNumber, string comment,
CancellationToken cancellationToken = default)
{
var payload = new { body = comment };
var (success, _) = await PostJsonAsync(
$"{_baseUrl}/api/v1/repos/{owner}/{repo}/issues/{prNumber}/comments",
payload,
cancellationToken);
return success;
}
public override async Task<bool> ClosePullRequestAsync(
string owner, string repo, int prNumber,
CancellationToken cancellationToken = default)
{
return await PatchJsonAsync(
$"{_baseUrl}/api/v1/repos/{owner}/{repo}/pulls/{prNumber}",
new { state = "closed" },
cancellationToken);
}
private static CiState DetermineOverallState(IReadOnlyList<CiCheck> checks)
{
if (checks.Count == 0) return CiState.Unknown;
if (checks.Any(c => c.State == CiState.Failure)) return CiState.Failure;
if (checks.Any(c => c.State == CiState.Error)) return CiState.Error;
if (checks.Any(c => c.State == CiState.Running)) return CiState.Running;
if (checks.Any(c => c.State == CiState.Pending)) return CiState.Pending;
if (checks.All(c => c.State == CiState.Success)) return CiState.Success;
return CiState.Unknown;
}
}

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namespace StellaOps.AdvisoryAI.Remediation.ScmConnector;
/// <summary>
/// SCM connector plugin interface for customer premise integrations.
/// Follows the StellaOps plugin pattern (IConnectorPlugin).
/// Sprint: SPRINT_20251226_016_AI_remedy_autopilot
/// Task: REMEDY-12, REMEDY-13, REMEDY-14
/// </summary>
public interface IScmConnectorPlugin
{
/// <summary>
/// Unique identifier for this SCM type.
/// </summary>
string ScmType { get; }
/// <summary>
/// Display name for this SCM.
/// </summary>
string DisplayName { get; }
/// <summary>
/// Check if this connector is available with current configuration.
/// </summary>
bool IsAvailable(ScmConnectorOptions options);
/// <summary>
/// Check if this connector can handle the given repository URL.
/// </summary>
bool CanHandle(string repositoryUrl);
/// <summary>
/// Create a connector instance for the given options.
/// </summary>
IScmConnector Create(ScmConnectorOptions options, HttpClient httpClient);
}
/// <summary>
/// Core SCM connector interface for PR operations.
/// </summary>
public interface IScmConnector
{
/// <summary>
/// SCM type identifier.
/// </summary>
string ScmType { get; }
/// <summary>
/// Create a branch from the base branch.
/// </summary>
Task<BranchResult> CreateBranchAsync(
string owner,
string repo,
string branchName,
string baseBranch,
CancellationToken cancellationToken = default);
/// <summary>
/// Update or create a file in a branch.
/// </summary>
Task<FileUpdateResult> UpdateFileAsync(
string owner,
string repo,
string branch,
string filePath,
string content,
string commitMessage,
CancellationToken cancellationToken = default);
/// <summary>
/// Create a pull request / merge request.
/// </summary>
Task<PrCreateResult> CreatePullRequestAsync(
string owner,
string repo,
string headBranch,
string baseBranch,
string title,
string body,
CancellationToken cancellationToken = default);
/// <summary>
/// Get pull request details and status.
/// </summary>
Task<PrStatusResult> GetPullRequestStatusAsync(
string owner,
string repo,
int prNumber,
CancellationToken cancellationToken = default);
/// <summary>
/// Get CI/CD pipeline status for a commit.
/// </summary>
Task<CiStatusResult> GetCiStatusAsync(
string owner,
string repo,
string commitSha,
CancellationToken cancellationToken = default);
/// <summary>
/// Update pull request body/description.
/// </summary>
Task<bool> UpdatePullRequestAsync(
string owner,
string repo,
int prNumber,
string? title,
string? body,
CancellationToken cancellationToken = default);
/// <summary>
/// Add a comment to a pull request.
/// </summary>
Task<bool> AddCommentAsync(
string owner,
string repo,
int prNumber,
string comment,
CancellationToken cancellationToken = default);
/// <summary>
/// Close a pull request without merging.
/// </summary>
Task<bool> ClosePullRequestAsync(
string owner,
string repo,
int prNumber,
CancellationToken cancellationToken = default);
}
/// <summary>
/// Configuration options for SCM connectors.
/// </summary>
public sealed record ScmConnectorOptions
{
/// <summary>
/// SCM server base URL (for self-hosted instances).
/// </summary>
public string? BaseUrl { get; init; }
/// <summary>
/// Authentication token (PAT, OAuth token, etc.).
/// </summary>
public string? ApiToken { get; init; }
/// <summary>
/// OAuth client ID (for OAuth flow).
/// </summary>
public string? ClientId { get; init; }
/// <summary>
/// OAuth client secret (for OAuth flow).
/// </summary>
public string? ClientSecret { get; init; }
/// <summary>
/// Default base branch for PRs.
/// </summary>
public string DefaultBaseBranch { get; init; } = "main";
/// <summary>
/// Request timeout in seconds.
/// </summary>
public int TimeoutSeconds { get; init; } = 30;
/// <summary>
/// User agent string for API requests.
/// </summary>
public string UserAgent { get; init; } = "StellaOps-Remedy/1.0";
}
#region Result Types
/// <summary>
/// Result of creating a branch.
/// </summary>
public sealed record BranchResult
{
public required bool Success { get; init; }
public required string BranchName { get; init; }
public string? CommitSha { get; init; }
public string? ErrorMessage { get; init; }
}
/// <summary>
/// Result of updating a file.
/// </summary>
public sealed record FileUpdateResult
{
public required bool Success { get; init; }
public required string FilePath { get; init; }
public string? CommitSha { get; init; }
public string? ErrorMessage { get; init; }
}
/// <summary>
/// Result of creating a PR.
/// </summary>
public sealed record PrCreateResult
{
public required bool Success { get; init; }
public required int PrNumber { get; init; }
public required string PrUrl { get; init; }
public string? ErrorMessage { get; init; }
}
/// <summary>
/// PR status result.
/// </summary>
public sealed record PrStatusResult
{
public required bool Success { get; init; }
public required int PrNumber { get; init; }
public required PrState State { get; init; }
public required string HeadSha { get; init; }
public required string HeadBranch { get; init; }
public required string BaseBranch { get; init; }
public required string Title { get; init; }
public string? Body { get; init; }
public string? PrUrl { get; init; }
public required bool Mergeable { get; init; }
public string? ErrorMessage { get; init; }
}
/// <summary>
/// PR state.
/// </summary>
public enum PrState
{
Open,
Closed,
Merged,
Draft
}
/// <summary>
/// CI status result.
/// </summary>
public sealed record CiStatusResult
{
public required bool Success { get; init; }
public required CiState OverallState { get; init; }
public required IReadOnlyList<CiCheck> Checks { get; init; }
public string? ErrorMessage { get; init; }
}
/// <summary>
/// Overall CI state.
/// </summary>
public enum CiState
{
Pending,
Running,
Success,
Failure,
Error,
Unknown
}
/// <summary>
/// Individual CI check.
/// </summary>
public sealed record CiCheck
{
public required string Name { get; init; }
public required CiState State { get; init; }
public string? Description { get; init; }
public string? TargetUrl { get; init; }
public string? StartedAt { get; init; }
public string? CompletedAt { get; init; }
}
#endregion

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using System.Net.Http.Json;
using System.Text;
using System.Text.Json;
namespace StellaOps.AdvisoryAI.Remediation.ScmConnector;
/// <summary>
/// Base class for SCM connectors with shared HTTP and JSON handling.
/// </summary>
public abstract class ScmConnectorBase : IScmConnector
{
protected readonly HttpClient HttpClient;
protected readonly ScmConnectorOptions Options;
protected static readonly JsonSerializerOptions JsonOptions = new()
{
PropertyNamingPolicy = JsonNamingPolicy.SnakeCaseLower,
PropertyNameCaseInsensitive = true,
WriteIndented = false
};
protected ScmConnectorBase(HttpClient httpClient, ScmConnectorOptions options)
{
HttpClient = httpClient;
Options = options;
ConfigureHttpClient();
}
public abstract string ScmType { get; }
protected virtual void ConfigureHttpClient()
{
HttpClient.Timeout = TimeSpan.FromSeconds(Options.TimeoutSeconds);
HttpClient.DefaultRequestHeaders.UserAgent.ParseAdd(Options.UserAgent);
if (!string.IsNullOrEmpty(Options.ApiToken))
{
ConfigureAuthentication();
}
}
protected abstract void ConfigureAuthentication();
public abstract Task<BranchResult> CreateBranchAsync(
string owner, string repo, string branchName, string baseBranch,
CancellationToken cancellationToken = default);
public abstract Task<FileUpdateResult> UpdateFileAsync(
string owner, string repo, string branch, string filePath,
string content, string commitMessage,
CancellationToken cancellationToken = default);
public abstract Task<PrCreateResult> CreatePullRequestAsync(
string owner, string repo, string headBranch, string baseBranch,
string title, string body,
CancellationToken cancellationToken = default);
public abstract Task<PrStatusResult> GetPullRequestStatusAsync(
string owner, string repo, int prNumber,
CancellationToken cancellationToken = default);
public abstract Task<CiStatusResult> GetCiStatusAsync(
string owner, string repo, string commitSha,
CancellationToken cancellationToken = default);
public abstract Task<bool> UpdatePullRequestAsync(
string owner, string repo, int prNumber, string? title, string? body,
CancellationToken cancellationToken = default);
public abstract Task<bool> AddCommentAsync(
string owner, string repo, int prNumber, string comment,
CancellationToken cancellationToken = default);
public abstract Task<bool> ClosePullRequestAsync(
string owner, string repo, int prNumber,
CancellationToken cancellationToken = default);
#region Helper Methods
protected async Task<T?> GetJsonAsync<T>(string url, CancellationToken cancellationToken)
{
try
{
var response = await HttpClient.GetAsync(url, cancellationToken);
if (!response.IsSuccessStatusCode) return default;
return await response.Content.ReadFromJsonAsync<T>(JsonOptions, cancellationToken);
}
catch
{
return default;
}
}
protected async Task<(bool Success, JsonElement Result)> PostJsonAsync(
string url, object payload, CancellationToken cancellationToken)
{
try
{
var response = await HttpClient.PostAsJsonAsync(url, payload, JsonOptions, cancellationToken);
if (!response.IsSuccessStatusCode)
return (false, default);
var result = await response.Content.ReadFromJsonAsync<JsonElement>(JsonOptions, cancellationToken);
return (true, result);
}
catch
{
return (false, default);
}
}
protected async Task<bool> PatchJsonAsync(string url, object payload, CancellationToken cancellationToken)
{
try
{
var request = new HttpRequestMessage(HttpMethod.Patch, url)
{
Content = JsonContent.Create(payload, options: JsonOptions)
};
var response = await HttpClient.SendAsync(request, cancellationToken);
return response.IsSuccessStatusCode;
}
catch
{
return false;
}
}
protected async Task<(bool Success, JsonElement Result)> PutJsonAsync(
string url, object payload, CancellationToken cancellationToken)
{
try
{
var response = await HttpClient.PutAsJsonAsync(url, payload, JsonOptions, cancellationToken);
if (!response.IsSuccessStatusCode)
return (false, default);
var result = await response.Content.ReadFromJsonAsync<JsonElement>(JsonOptions, cancellationToken);
return (true, result);
}
catch
{
return (false, default);
}
}
protected static string Base64Encode(string content) =>
Convert.ToBase64String(Encoding.UTF8.GetBytes(content));
protected static CiState MapToCiState(string state) => state.ToLowerInvariant() switch
{
"pending" or "queued" or "waiting" => CiState.Pending,
"in_progress" or "running" => CiState.Running,
"success" or "succeeded" or "completed" => CiState.Success,
"failure" or "failed" => CiState.Failure,
"error" or "cancelled" or "canceled" or "timed_out" => CiState.Error,
_ => CiState.Unknown
};
#endregion
}

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using Microsoft.Extensions.DependencyInjection;
namespace StellaOps.AdvisoryAI.Remediation.ScmConnector;
/// <summary>
/// Catalog and factory for SCM connector plugins.
/// Discovers and manages available SCM connectors for customer premise integrations.
/// </summary>
public sealed class ScmConnectorCatalog
{
private readonly IReadOnlyList<IScmConnectorPlugin> _plugins;
private readonly IHttpClientFactory _httpClientFactory;
/// <summary>
/// Create a catalog with default plugins (GitHub, GitLab, AzureDevOps, Gitea).
/// </summary>
public ScmConnectorCatalog(IHttpClientFactory httpClientFactory)
{
_httpClientFactory = httpClientFactory;
_plugins = new List<IScmConnectorPlugin>
{
new GitHubScmConnectorPlugin(),
new GitLabScmConnectorPlugin(),
new AzureDevOpsScmConnectorPlugin(),
new GiteaScmConnectorPlugin()
};
}
/// <summary>
/// Create a catalog with custom plugins.
/// </summary>
public ScmConnectorCatalog(
IHttpClientFactory httpClientFactory,
IEnumerable<IScmConnectorPlugin> plugins)
{
_httpClientFactory = httpClientFactory;
_plugins = plugins.ToList();
}
/// <summary>
/// Get all registered plugins.
/// </summary>
public IReadOnlyList<IScmConnectorPlugin> Plugins => _plugins;
/// <summary>
/// Get available plugins based on provided options.
/// </summary>
public IEnumerable<IScmConnectorPlugin> GetAvailablePlugins(ScmConnectorOptions options)
{
return _plugins.Where(p => p.IsAvailable(options));
}
/// <summary>
/// Get a connector by explicit SCM type.
/// </summary>
public IScmConnector? GetConnector(string scmType, ScmConnectorOptions options)
{
var plugin = _plugins.FirstOrDefault(p =>
p.ScmType.Equals(scmType, StringComparison.OrdinalIgnoreCase));
if (plugin is null || !plugin.IsAvailable(options))
return null;
var httpClient = CreateHttpClient(scmType, options);
return plugin.Create(options, httpClient);
}
/// <summary>
/// Auto-detect SCM type from repository URL and create connector.
/// </summary>
public IScmConnector? GetConnectorForRepository(string repositoryUrl, ScmConnectorOptions options)
{
var plugin = _plugins.FirstOrDefault(p => p.CanHandle(repositoryUrl));
if (plugin is null || !plugin.IsAvailable(options))
return null;
var httpClient = CreateHttpClient(plugin.ScmType, options);
return plugin.Create(options, httpClient);
}
/// <summary>
/// Create a connector with explicit options override.
/// </summary>
public IScmConnector? GetConnector(
string scmType,
ScmConnectorOptions baseOptions,
Action<ScmConnectorOptions>? configure)
{
var options = baseOptions with { };
configure?.Invoke(options);
return GetConnector(scmType, options);
}
private HttpClient CreateHttpClient(string scmType, ScmConnectorOptions options)
{
var httpClient = _httpClientFactory.CreateClient($"ScmConnector_{scmType}");
if (!string.IsNullOrEmpty(options.BaseUrl))
{
httpClient.BaseAddress = new Uri(options.BaseUrl);
}
return httpClient;
}
}
/// <summary>
/// Extension methods for dependency injection registration.
/// </summary>
public static class ScmConnectorServiceExtensions
{
/// <summary>
/// Add SCM connector services to the service collection.
/// </summary>
public static IServiceCollection AddScmConnectors(
this IServiceCollection services,
Action<ScmConnectorRegistration>? configure = null)
{
var registration = new ScmConnectorRegistration();
configure?.Invoke(registration);
// Register HTTP clients for each SCM type
services.AddHttpClient("ScmConnector_github");
services.AddHttpClient("ScmConnector_gitlab");
services.AddHttpClient("ScmConnector_azuredevops");
services.AddHttpClient("ScmConnector_gitea");
// Register plugins
foreach (var plugin in registration.Plugins)
{
services.AddSingleton(plugin);
}
// Register the catalog
services.AddSingleton<ScmConnectorCatalog>(sp =>
{
var httpClientFactory = sp.GetRequiredService<IHttpClientFactory>();
var plugins = sp.GetServices<IScmConnectorPlugin>();
return new ScmConnectorCatalog(httpClientFactory, plugins);
});
return services;
}
}
/// <summary>
/// Registration builder for SCM connectors.
/// </summary>
public sealed class ScmConnectorRegistration
{
private readonly List<IScmConnectorPlugin> _plugins = new()
{
new GitHubScmConnectorPlugin(),
new GitLabScmConnectorPlugin(),
new AzureDevOpsScmConnectorPlugin(),
new GiteaScmConnectorPlugin()
};
public IReadOnlyList<IScmConnectorPlugin> Plugins => _plugins;
/// <summary>
/// Add a custom SCM connector plugin.
/// </summary>
public ScmConnectorRegistration AddPlugin(IScmConnectorPlugin plugin)
{
_plugins.Add(plugin);
return this;
}
/// <summary>
/// Remove a built-in plugin by SCM type.
/// </summary>
public ScmConnectorRegistration RemovePlugin(string scmType)
{
_plugins.RemoveAll(p => p.ScmType.Equals(scmType, StringComparison.OrdinalIgnoreCase));
return this;
}
/// <summary>
/// Clear all plugins.
/// </summary>
public ScmConnectorRegistration ClearPlugins()
{
_plugins.Clear();
return this;
}
}