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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,73 @@ | ||
| package http | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "github.com/nothub/mrpack-install/buildinfo" | ||
| "net" | ||
| "net/http" | ||
| "net/url" | ||
| "runtime/debug" | ||
| "time" | ||
| ) | ||
|
|
||
| type Client struct { | ||
| c http.Client | ||
| ua string | ||
| } | ||
|
|
||
| var DefaultClient = newHTTPClient() | ||
|
|
||
| func newHTTPClient() *Client { | ||
| c := &Client{ | ||
| c: http.Client{}, | ||
| } | ||
|
|
||
| c.c.Transport = newTransport() | ||
|
|
||
| c.ua = fmt.Sprintf("%s/%s", "mrpack-install", buildinfo.Version) | ||
| info, ok := debug.ReadBuildInfo() | ||
| if ok && info.Main.Path != "" { | ||
| c.ua = fmt.Sprintf("%s (+https://%s)", c.ua, info.Main.Path) | ||
| } | ||
|
|
||
| return c | ||
| } | ||
|
|
||
| func newTransport() *http.Transport { | ||
| return &http.Transport{ | ||
| Proxy: http.ProxyFromEnvironment, | ||
| DialContext: net.Dialer{ | ||
| Timeout: 30 * time.Second, | ||
| KeepAlive: 30 * time.Second, | ||
| }.DialContext, | ||
| ForceAttemptHTTP2: true, | ||
| MaxIdleConns: 100, | ||
| IdleConnTimeout: 90 * time.Second, | ||
| TLSHandshakeTimeout: 20 * time.Second, | ||
| ResponseHeaderTimeout: 25 * time.Second, | ||
| ExpectContinueTimeout: 10 * time.Second, | ||
| } | ||
| } | ||
|
|
||
| func (c *Client) SetProxy(CustomProxy string) error { | ||
| proxy, err := url.Parse(CustomProxy) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| transport := newTransport() | ||
| transport.Proxy = http.ProxyURL(proxy) | ||
| c.c.Transport = transport | ||
|
|
||
| // Test proxy | ||
| httpUrl := "https://api.modrinth.com/" | ||
| response, err := c.c.Get(httpUrl) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| if response.StatusCode != http.StatusOK { | ||
| return err | ||
| } | ||
|
|
||
| return nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,66 @@ | ||
| package download | ||
|
|
||
| import ( | ||
| "crypto" | ||
| "github.com/nothub/hashutils/chksum" | ||
| "github.com/nothub/hashutils/encoding" | ||
| "github.com/nothub/mrpack-install/http" | ||
| modrinth "github.com/nothub/mrpack-install/modrinth/api" | ||
| "log" | ||
| "path" | ||
| "path/filepath" | ||
| "sync" | ||
| ) | ||
|
|
||
| type Download struct { | ||
| Path string | ||
| Urls []string | ||
| Hashes modrinth.Hashes | ||
| } | ||
|
|
||
| type Downloader struct { | ||
| Downloads []*Download | ||
| Threads int | ||
| Retries int | ||
| } | ||
|
|
||
| func (g *Downloader) Download(baseDir string) { | ||
| var wg sync.WaitGroup | ||
| for i := range g.Downloads { | ||
| wg.Add(1) | ||
| dl := g.Downloads[i] | ||
| go func() { | ||
| defer wg.Done() | ||
| absPath, _ := filepath.Abs(path.Join(baseDir, dl.Path)) | ||
| success := false | ||
| for _, link := range dl.Urls { | ||
| // retry when download failed | ||
| for retries := 0; retries < g.Retries; retries++ { | ||
| // try download | ||
| f, err := http.DefaultClient.DownloadFile(link, path.Dir(absPath), path.Base(absPath)) | ||
| if err != nil { | ||
| log.Printf("Download failed for %s (attempt %v), because: %s\n", dl.Path, retries+1, err.Error()) | ||
| continue | ||
| } | ||
| // check hashcode | ||
| _, err = chksum.VerifyFile(f, dl.Hashes.Sha512, crypto.SHA512.New(), encoding.Hex) | ||
| if err != nil { | ||
| log.Printf("Hash check failed for %s (attempt %v), because: %s\n", dl.Path, retries+1, err.Error()) | ||
| continue | ||
| } | ||
| // success yay | ||
| log.Printf("Downloaded: %s\n", f) | ||
| success = true | ||
| break | ||
| } | ||
| if success { | ||
| break | ||
| } | ||
| } | ||
| if !success { | ||
| log.Printf("Downloaded failed: %s\n", dl.Path) | ||
| } | ||
| }() | ||
| } | ||
| wg.Wait() | ||
| } |
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