mirror of https://github.com/mautrix/go.git
113 lines
3.0 KiB
Go
113 lines
3.0 KiB
Go
// Copyright (c) 2022 Tulir Asokan
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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package mautrix
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import (
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"fmt"
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"net/url"
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"strconv"
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"strings"
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)
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func ParseAndNormalizeBaseURL(homeserverURL string) (*url.URL, error) {
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hsURL, err := url.Parse(homeserverURL)
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if err != nil {
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return nil, err
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}
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if hsURL.Scheme == "" {
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hsURL.Scheme = "https"
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fixedURL := hsURL.String()
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hsURL, err = url.Parse(fixedURL)
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if err != nil {
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return nil, fmt.Errorf("failed to parse fixed URL '%s': %v", fixedURL, err)
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}
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}
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hsURL.RawPath = hsURL.EscapedPath()
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return hsURL, nil
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}
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// BuildURL builds a URL with the given path parts
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func BuildURL(baseURL *url.URL, path ...any) *url.URL {
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createdURL := *baseURL
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rawParts := make([]string, len(path)+1)
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rawParts[0] = strings.TrimSuffix(createdURL.RawPath, "/")
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parts := make([]string, len(path)+1)
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parts[0] = strings.TrimSuffix(createdURL.Path, "/")
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for i, part := range path {
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switch casted := part.(type) {
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case string:
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parts[i+1] = casted
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case int:
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parts[i+1] = strconv.Itoa(casted)
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case fmt.Stringer:
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parts[i+1] = casted.String()
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default:
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parts[i+1] = fmt.Sprint(casted)
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}
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rawParts[i+1] = url.PathEscape(parts[i+1])
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}
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createdURL.Path = strings.Join(parts, "/")
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createdURL.RawPath = strings.Join(rawParts, "/")
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return &createdURL
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}
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// BuildURL builds a URL with the Client's homeserver and appservice user ID set already.
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func (cli *Client) BuildURL(urlPath PrefixableURLPath) string {
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return cli.BuildURLWithQuery(urlPath, nil)
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}
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// BuildClientURL builds a URL with the Client's homeserver and appservice user ID set already.
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// This method also automatically prepends the client API prefix (/_matrix/client).
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func (cli *Client) BuildClientURL(urlPath ...any) string {
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return cli.BuildURLWithQuery(ClientURLPath(urlPath), nil)
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}
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type PrefixableURLPath interface {
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FullPath() []any
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}
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type BaseURLPath []any
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func (bup BaseURLPath) FullPath() []any {
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return bup
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}
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type ClientURLPath []any
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func (cup ClientURLPath) FullPath() []any {
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return append([]any{"_matrix", "client"}, []any(cup)...)
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}
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type MediaURLPath []any
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func (mup MediaURLPath) FullPath() []any {
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return append([]any{"_matrix", "media"}, []any(mup)...)
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}
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type SynapseAdminURLPath []any
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func (saup SynapseAdminURLPath) FullPath() []any {
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return append([]any{"_synapse", "admin"}, []any(saup)...)
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}
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// BuildURLWithQuery builds a URL with query parameters in addition to the Client's homeserver
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// and appservice user ID set already.
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func (cli *Client) BuildURLWithQuery(urlPath PrefixableURLPath, urlQuery map[string]string) string {
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hsURL := *BuildURL(cli.HomeserverURL, urlPath.FullPath()...)
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query := hsURL.Query()
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if cli.SetAppServiceUserID {
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query.Set("user_id", string(cli.UserID))
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}
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if urlQuery != nil {
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for k, v := range urlQuery {
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query.Set(k, v)
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}
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}
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hsURL.RawQuery = query.Encode()
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return hsURL.String()
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}
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