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Merge pull request #33 from Glow-Project/add-godot-asset-support
Add godot asset support
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,153 @@ | ||
| package fetch | ||
|
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||
| import ( | ||
| "archive/zip" | ||
| "fmt" | ||
| "io" | ||
| "os" | ||
| "path" | ||
| "path/filepath" | ||
| "regexp" | ||
| "strings" | ||
|
|
||
| "github.com/Glow-Project/ppm/pkg/utility" | ||
| "github.com/go-git/go-git/v5" | ||
| ) | ||
|
|
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| // install a dependency `dep` into its directory inside the `addons` directory | ||
| func InstallDependency(dep *utility.Dependency, paths *utility.Paths) error { | ||
| var err error | ||
| if dep.Type == utility.GithubAsset { | ||
| err = installGithubRepo(dep, paths) | ||
| } else { | ||
| err = installGodotAsset(dep, paths) | ||
| } | ||
|
|
||
| return err | ||
| } | ||
|
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| // install a plugin from github | ||
| func installGithubRepo(dep *utility.Dependency, paths *utility.Paths) error { | ||
| fullPath := path.Join(paths.Addons, dep.Identifier) | ||
| _, err := git.PlainClone(fullPath, false, &git.CloneOptions{ | ||
| URL: dep.Url, | ||
| }) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
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| return nil | ||
| } | ||
|
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| // install a plugin from the godot asset store | ||
| func installGodotAsset(dep *utility.Dependency, paths *utility.Paths) error { | ||
| r := Requester{} | ||
| data, err := r.Get(dep.Url) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| /* structure of data: | ||
| { | ||
| "result": [ | ||
| { | ||
| "asset_id": "<id>" | ||
| } | ||
| ] | ||
| } | ||
| */ | ||
| results := data["result"].([]interface{}) | ||
| if len(results) == 0 { | ||
| return fmt.Errorf("No results for dependency \"%s\"", dep.Identifier) | ||
| } | ||
|
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| id := results[0].(map[string]interface{})["asset_id"].(string) | ||
|
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| data, err = r.Get(fmt.Sprintf("https://godotengine.org/asset-library/api/asset/%s", id)) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| dwdUrl := data["download_url"].(string) | ||
| f, err := os.CreateTemp("", "tempfile") | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer os.Remove(f.Name()) | ||
|
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||
| r.Download(dwdUrl, f) | ||
| f.Close() | ||
| err = unzip(f.Name(), paths.Addons) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
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| // unzip a .zip file from src into dest | ||
| func unzip(src, dest string) error { | ||
| r, err := zip.OpenReader(src) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer func() { | ||
| if err := r.Close(); err != nil { | ||
| panic(err) | ||
| } | ||
| }() | ||
|
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| os.MkdirAll(dest, 0755) | ||
|
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| shaRegex := regexp.MustCompile("-[0-9a-f]{40}") | ||
|
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| writeFile := func(f *zip.File) error { | ||
| rc, err := f.Open() | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer func() { | ||
| if err := rc.Close(); err != nil { | ||
| panic(err) | ||
| } | ||
| }() | ||
|
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| fileName := string(shaRegex.ReplaceAll([]byte(f.Name), []byte(""))) | ||
| path := filepath.Join(dest, fileName) | ||
|
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| // Check for ZipSlip (Directory traversal) | ||
| if !strings.HasPrefix(path, filepath.Clean(dest)+string(os.PathSeparator)) { | ||
| return fmt.Errorf("illegal file path: %s", path) | ||
| } | ||
|
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| if f.FileInfo().IsDir() { | ||
| os.MkdirAll(path, f.Mode()) | ||
| } else { | ||
| os.MkdirAll(filepath.Dir(path), f.Mode()) | ||
| f, err := os.OpenFile(path, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, f.Mode()) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| defer func() { | ||
| if err := f.Close(); err != nil { | ||
| panic(err) | ||
| } | ||
| }() | ||
|
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| _, err = io.Copy(f, rc) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| } | ||
| return nil | ||
| } | ||
|
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| for _, f := range r.File { | ||
| err := writeFile(f) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| } | ||
|
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| return nil | ||
| } |
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