diff options
Diffstat (limited to 'vendor/github.com/go-openapi/swag/loading.go')
| -rw-r--r-- | vendor/github.com/go-openapi/swag/loading.go | 176 |
1 files changed, 0 insertions, 176 deletions
diff --git a/vendor/github.com/go-openapi/swag/loading.go b/vendor/github.com/go-openapi/swag/loading.go deleted file mode 100644 index 783442fdd..000000000 --- a/vendor/github.com/go-openapi/swag/loading.go +++ /dev/null @@ -1,176 +0,0 @@ -// Copyright 2015 go-swagger maintainers -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -package swag - -import ( - "fmt" - "io" - "log" - "net/http" - "net/url" - "os" - "path" - "path/filepath" - "runtime" - "strings" - "time" -) - -// LoadHTTPTimeout the default timeout for load requests -var LoadHTTPTimeout = 30 * time.Second - -// LoadHTTPBasicAuthUsername the username to use when load requests require basic auth -var LoadHTTPBasicAuthUsername = "" - -// LoadHTTPBasicAuthPassword the password to use when load requests require basic auth -var LoadHTTPBasicAuthPassword = "" - -// LoadHTTPCustomHeaders an optional collection of custom HTTP headers for load requests -var LoadHTTPCustomHeaders = map[string]string{} - -// LoadFromFileOrHTTP loads the bytes from a file or a remote http server based on the path passed in -func LoadFromFileOrHTTP(pth string) ([]byte, error) { - return LoadStrategy(pth, os.ReadFile, loadHTTPBytes(LoadHTTPTimeout))(pth) -} - -// LoadFromFileOrHTTPWithTimeout loads the bytes from a file or a remote http server based on the path passed in -// timeout arg allows for per request overriding of the request timeout -func LoadFromFileOrHTTPWithTimeout(pth string, timeout time.Duration) ([]byte, error) { - return LoadStrategy(pth, os.ReadFile, loadHTTPBytes(timeout))(pth) -} - -// LoadStrategy returns a loader function for a given path or URI. -// -// The load strategy returns the remote load for any path starting with `http`. -// So this works for any URI with a scheme `http` or `https`. -// -// The fallback strategy is to call the local loader. -// -// The local loader takes a local file system path (absolute or relative) as argument, -// or alternatively a `file://...` URI, **without host** (see also below for windows). -// -// There are a few liberalities, initially intended to be tolerant regarding the URI syntax, -// especially on windows. -// -// Before the local loader is called, the given path is transformed: -// - percent-encoded characters are unescaped -// - simple paths (e.g. `./folder/file`) are passed as-is -// - on windows, occurrences of `/` are replaced by `\`, so providing a relative path such a `folder/file` works too. -// -// For paths provided as URIs with the "file" scheme, please note that: -// - `file://` is simply stripped. -// This means that the host part of the URI is not parsed at all. -// For example, `file:///folder/file" becomes "/folder/file`, -// but `file://localhost/folder/file` becomes `localhost/folder/file` on unix systems. -// Similarly, `file://./folder/file` yields `./folder/file`. -// - on windows, `file://...` can take a host so as to specify an UNC share location. -// -// Reminder about windows-specifics: -// - `file://host/folder/file` becomes an UNC path like `\\host\folder\file` (no port specification is supported) -// - `file:///c:/folder/file` becomes `C:\folder\file` -// - `file://c:/folder/file` is tolerated (without leading `/`) and becomes `c:\folder\file` -func LoadStrategy(pth string, local, remote func(string) ([]byte, error)) func(string) ([]byte, error) { - if strings.HasPrefix(pth, "http") { - return remote - } - - return func(p string) ([]byte, error) { - upth, err := url.PathUnescape(p) - if err != nil { - return nil, err - } - - if !strings.HasPrefix(p, `file://`) { - // regular file path provided: just normalize slashes - return local(filepath.FromSlash(upth)) - } - - if runtime.GOOS != "windows" { - // crude processing: this leaves full URIs with a host with a (mostly) unexpected result - upth = strings.TrimPrefix(upth, `file://`) - - return local(filepath.FromSlash(upth)) - } - - // windows-only pre-processing of file://... URIs - - // support for canonical file URIs on windows. - u, err := url.Parse(filepath.ToSlash(upth)) - if err != nil { - return nil, err - } - - if u.Host != "" { - // assume UNC name (volume share) - // NOTE: UNC port not yet supported - - // when the "host" segment is a drive letter: - // file://C:/folder/... => C:\folder - upth = path.Clean(strings.Join([]string{u.Host, u.Path}, `/`)) - if !strings.HasSuffix(u.Host, ":") && u.Host[0] != '.' { - // tolerance: if we have a leading dot, this can't be a host - // file://host/share/folder\... ==> \\host\share\path\folder - upth = "//" + upth - } - } else { - // no host, let's figure out if this is a drive letter - upth = strings.TrimPrefix(upth, `file://`) - first, _, _ := strings.Cut(strings.TrimPrefix(u.Path, "/"), "/") - if strings.HasSuffix(first, ":") { - // drive letter in the first segment: - // file:///c:/folder/... ==> strip the leading slash - upth = strings.TrimPrefix(upth, `/`) - } - } - - return local(filepath.FromSlash(upth)) - } -} - -func loadHTTPBytes(timeout time.Duration) func(path string) ([]byte, error) { - return func(path string) ([]byte, error) { - client := &http.Client{Timeout: timeout} - req, err := http.NewRequest(http.MethodGet, path, nil) //nolint:noctx - if err != nil { - return nil, err - } - - if LoadHTTPBasicAuthUsername != "" && LoadHTTPBasicAuthPassword != "" { - req.SetBasicAuth(LoadHTTPBasicAuthUsername, LoadHTTPBasicAuthPassword) - } - - for key, val := range LoadHTTPCustomHeaders { - req.Header.Set(key, val) - } - - resp, err := client.Do(req) - defer func() { - if resp != nil { - if e := resp.Body.Close(); e != nil { - log.Println(e) - } - } - }() - if err != nil { - return nil, err - } - - if resp.StatusCode != http.StatusOK { - return nil, fmt.Errorf("could not access document at %q [%s] ", path, resp.Status) - } - - return io.ReadAll(resp.Body) - } -} |