mirror of
https://codeberg.org/forgejo/forgejo.git
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77dbc35138
- Go has a suite of small linters that helps with modernizing Go code by using newer functions and catching small mistakes, https://pkg.go.dev/golang.org/x/tools/go/analysis/passes/modernize. - Enable this linter in golangci-lint. - There's also [`go fix`](https://go.dev/blog/gofix), which is not yet released as a linter in golangci-lint: https://github.com/golangci/golangci-lint/pull/6385 Reviewed-on: https://codeberg.org/forgejo/forgejo/pulls/11936 Reviewed-by: Mathieu Fenniak <mfenniak@noreply.codeberg.org> Co-authored-by: Gusted <postmaster@gusted.xyz> Co-committed-by: Gusted <postmaster@gusted.xyz>
122 lines
3.1 KiB
Go
122 lines
3.1 KiB
Go
// Copyright 2023, 2024, 2025 The Forgejo Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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package forgefed
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import (
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"fmt"
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"net/url"
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"slices"
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"strconv"
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"strings"
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"forgejo.org/modules/validation"
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)
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// ----------------------------- ActorID --------------------------------------------
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type ActorID struct {
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ID string
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Source string
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HostSchema string
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Path string
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Host string
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HostPort uint16
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UnvalidatedInput string
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IsPortSupplemented bool
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}
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// Factory function for ActorID. Created struct is asserted to be valid
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func NewActorID(uri string) (ActorID, error) {
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result, err := newActorID(uri)
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if err != nil {
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return ActorID{}, err
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}
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if valid, err := validation.IsValid(result); !valid {
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return ActorID{}, err
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}
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return result, nil
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}
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func (id ActorID) AsURI() string {
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var result, path string
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if id.Path == "" {
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path = id.ID
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} else {
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path = fmt.Sprintf("%s/%s", id.Path, id.ID)
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}
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if id.IsPortSupplemented {
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result = fmt.Sprintf("%s://%s/%s", id.HostSchema, id.Host, path)
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} else {
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result = fmt.Sprintf("%s://%s:%d/%s", id.HostSchema, id.Host, id.HostPort, path)
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}
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return result
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}
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func (id ActorID) Validate() []string {
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var result []string
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result = append(result, validation.ValidateNotEmpty(id.ID, "ID")...)
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result = append(result, validation.ValidateNotEmpty(id.Host, "host")...)
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result = append(result, validation.ValidateNotEmpty(id.HostPort, "hostPort")...)
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result = append(result, validation.ValidateNotEmpty(id.HostSchema, "hostSchema")...)
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result = append(result, validation.ValidateNotEmpty(id.UnvalidatedInput, "unvalidatedInput")...)
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if id.UnvalidatedInput != id.AsURI() {
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result = append(result, fmt.Sprintf("not all input was parsed, \nUnvalidated Input:%q \nParsed URI: %q", id.UnvalidatedInput, id.AsURI()))
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}
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return result
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}
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func newActorID(uri string) (ActorID, error) {
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validatedURI, err := url.ParseRequestURI(uri)
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if err != nil {
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return ActorID{}, err
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}
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pathWithActorID := strings.Split(validatedURI.Path, "/")
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if containsEmptyString(pathWithActorID) {
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pathWithActorID = removeEmptyStrings(pathWithActorID)
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}
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length := len(pathWithActorID)
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pathWithoutActorID := strings.Join(pathWithActorID[0:length-1], "/")
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id := strings.ToLower(pathWithActorID[length-1])
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result := ActorID{}
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result.ID = id
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result.HostSchema = strings.ToLower(validatedURI.Scheme)
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result.Host = strings.ToLower(validatedURI.Hostname())
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result.Path = strings.ToLower(pathWithoutActorID)
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if validatedURI.Port() == "" && result.HostSchema == "https" {
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result.IsPortSupplemented = true
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result.HostPort = 443
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} else if validatedURI.Port() == "" && result.HostSchema == "http" {
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result.IsPortSupplemented = true
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result.HostPort = 80
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} else {
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numPort, _ := strconv.ParseUint(validatedURI.Port(), 10, 16)
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result.HostPort = uint16(numPort)
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}
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result.UnvalidatedInput = strings.ToLower(uri)
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return result, nil
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}
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func containsEmptyString(ar []string) bool {
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return slices.Contains(ar, "")
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}
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func removeEmptyStrings(ls []string) []string {
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var rs []string
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for _, str := range ls {
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if str != "" {
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rs = append(rs, str)
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}
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}
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return rs
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}
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