1
0
Fork 0
mirror of https://github.com/portainer/portainer.git synced 2025-07-22 14:59:41 +02:00
portainer/api/http/proxy/factory/github/client.go

108 lines
3 KiB
Go

package github
import (
"context"
"fmt"
"io"
"net/http"
"strings"
"time"
"github.com/segmentio/encoding/json"
"oras.land/oras-go/v2/registry/remote/retry"
)
const GitHubAPIHost = "https://api.github.com"
// Package represents a GitHub container package
type Package struct {
Name string `json:"name"`
Owner struct {
Login string `json:"login"`
} `json:"owner"`
}
// Client represents a GitHub API client
type Client struct {
httpClient *http.Client
baseURL string
}
// NewClient creates a new GitHub API client
func NewClient(token string) *Client {
return &Client{
httpClient: NewHTTPClient(token),
baseURL: GitHubAPIHost,
}
}
// GetContainerPackages fetches container packages for the configured namespace
// It's a small http client wrapper instead of using the github client because listing repositories is the only known operation that isn't directly supported by oras
func (c *Client) GetContainerPackages(ctx context.Context, useOrganisation bool, organisationName string) ([]string, error) {
// Determine the namespace (user or organisation) for the request
namespace := "user"
if useOrganisation {
namespace = "orgs/" + organisationName
}
// Build the full URL for listing container packages
url := fmt.Sprintf("%s/%s/packages?package_type=container", c.baseURL, namespace)
req, err := http.NewRequestWithContext(ctx, http.MethodGet, url, nil)
if err != nil {
return nil, fmt.Errorf("failed to create request: %w", err)
}
resp, err := c.httpClient.Do(req)
if err != nil {
return nil, fmt.Errorf("failed to execute request: %w", err)
}
defer resp.Body.Close()
if resp.StatusCode != http.StatusOK {
return nil, fmt.Errorf("GitHub API returned status %d: %s", resp.StatusCode, resp.Status)
}
body, err := io.ReadAll(resp.Body)
if err != nil {
return nil, fmt.Errorf("failed to read response body: %w", err)
}
var packages []Package
if err := json.Unmarshal(body, &packages); err != nil {
return nil, fmt.Errorf("failed to parse response: %w", err)
}
// Extract repository names in the form "owner/name"
repositories := make([]string, len(packages))
for i, pkg := range packages {
repositories[i] = fmt.Sprintf("%s/%s", strings.ToLower(pkg.Owner.Login), strings.ToLower(pkg.Name))
}
return repositories, nil
}
// NewHTTPClient creates a new HTTP client configured for GitHub API requests
func NewHTTPClient(token string) *http.Client {
return &http.Client{
Transport: &tokenTransport{
token: token,
transport: retry.NewTransport(&http.Transport{}), // Use ORAS retry transport for consistent rate limiting and error handling
},
Timeout: 1 * time.Minute,
}
}
// tokenTransport automatically adds the Bearer token header to requests
type tokenTransport struct {
token string
transport http.RoundTripper
}
func (t *tokenTransport) RoundTrip(req *http.Request) (*http.Response, error) {
if t.token != "" {
req.Header.Set("Authorization", "Bearer "+t.token)
req.Header.Set("Accept", "application/vnd.github+json")
}
return t.transport.RoundTrip(req)
}