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author | Runxi Yu <me@runxiyu.org> | 2025-04-06 09:26:46 +0800 |
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committer | Runxi Yu <me@runxiyu.org> | 2025-04-06 09:27:53 +0800 |
commit | da1d8f4e7c332c7109427915e6459b10209cedce (patch) | |
tree | 280b921be3b51f93d82d916b4eaa89387b7102cc /internal/misc/url.go | |
parent | git2c, git2d: Rename cmd1 and cmd2 descriptively (diff) | |
download | forge-0.1.32.tar.gz forge-0.1.32.tar.zst forge-0.1.32.zip |
Move the Go stuff to ./forged/v0.1.32
Diffstat (limited to 'internal/misc/url.go')
-rw-r--r-- | internal/misc/url.go | 154 |
1 files changed, 0 insertions, 154 deletions
diff --git a/internal/misc/url.go b/internal/misc/url.go deleted file mode 100644 index b77d8ce..0000000 --- a/internal/misc/url.go +++ /dev/null @@ -1,154 +0,0 @@ -// SPDX-License-Identifier: AGPL-3.0-only -// SPDX-FileCopyrightText: Copyright (c) 2025 Runxi Yu <https://runxiyu.org> - -package misc - -import ( - "errors" - "net/http" - "net/url" - "strings" -) - -var ( - ErrDupRefSpec = errors.New("duplicate ref spec") - ErrNoRefSpec = errors.New("no ref spec") -) - -// getParamRefTypeName looks at the query parameters in an HTTP request and -// returns its ref name and type, if any. -func GetParamRefTypeName(request *http.Request) (retRefType, retRefName string, err error) { - rawQuery := request.URL.RawQuery - queryValues, err := url.ParseQuery(rawQuery) - if err != nil { - return - } - done := false - for _, refType := range []string{"commit", "branch", "tag"} { - refName, ok := queryValues[refType] - if ok { - if done { - err = ErrDupRefSpec - return - } - done = true - if len(refName) != 1 { - err = ErrDupRefSpec - return - } - retRefName = refName[0] - retRefType = refType - } - } - if !done { - err = ErrNoRefSpec - } - return -} - -// ParseReqURI parses an HTTP request URL, and returns a slice of path segments -// and the query parameters. It handles %2F correctly. -func ParseReqURI(requestURI string) (segments []string, params url.Values, err error) { - path, paramsStr, _ := strings.Cut(requestURI, "?") - - segments, err = PathToSegments(path) - if err != nil { - return - } - - params, err = url.ParseQuery(paramsStr) - return -} - -func PathToSegments(path string) (segments []string, err error) { - segments = strings.Split(strings.TrimPrefix(path, "/"), "/") - - for i, segment := range segments { - segments[i], err = url.PathUnescape(segment) - if err != nil { - return - } - } - - return -} - -// RedirectDir returns true and redirects the user to a version of the URL with -// a trailing slash, if and only if the request URL does not already have a -// trailing slash. -func RedirectDir(writer http.ResponseWriter, request *http.Request) bool { - requestURI := request.RequestURI - - pathEnd := strings.IndexAny(requestURI, "?#") - var path, rest string - if pathEnd == -1 { - path = requestURI - } else { - path = requestURI[:pathEnd] - rest = requestURI[pathEnd:] - } - - if !strings.HasSuffix(path, "/") { - http.Redirect(writer, request, path+"/"+rest, http.StatusSeeOther) - return true - } - return false -} - -// RedirectNoDir returns true and redirects the user to a version of the URL -// without a trailing slash, if and only if the request URL has a trailing -// slash. -func RedirectNoDir(writer http.ResponseWriter, request *http.Request) bool { - requestURI := request.RequestURI - - pathEnd := strings.IndexAny(requestURI, "?#") - var path, rest string - if pathEnd == -1 { - path = requestURI - } else { - path = requestURI[:pathEnd] - rest = requestURI[pathEnd:] - } - - if strings.HasSuffix(path, "/") { - http.Redirect(writer, request, strings.TrimSuffix(path, "/")+rest, http.StatusSeeOther) - return true - } - return false -} - -// RedirectUnconditionally unconditionally redirects the user back to the -// current page while preserving query parameters. -func RedirectUnconditionally(writer http.ResponseWriter, request *http.Request) { - requestURI := request.RequestURI - - pathEnd := strings.IndexAny(requestURI, "?#") - var path, rest string - if pathEnd == -1 { - path = requestURI - } else { - path = requestURI[:pathEnd] - rest = requestURI[pathEnd:] - } - - http.Redirect(writer, request, path+rest, http.StatusSeeOther) -} - -// SegmentsToURL joins URL segments to the path component of a URL. -// Each segment is escaped properly first. -func SegmentsToURL(segments []string) string { - for i, segment := range segments { - segments[i] = url.PathEscape(segment) - } - return strings.Join(segments, "/") -} - -// AnyContain returns true if and only if ss contains a string that contains c. -func AnyContain(ss []string, c string) bool { - for _, s := range ss { - if strings.Contains(s, c) { - return true - } - } - return false -} |