summaryrefslogtreecommitdiffstats
path: root/modules/templates/helper.go
blob: bb1411cbfdb3e373754fe30107485c4e973a60b6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
// Copyright 2018 The Gitea Authors. All rights reserved.
// Copyright 2014 The Gogs Authors. All rights reserved.
// SPDX-License-Identifier: MIT

package templates

import (
	"fmt"
	"html"
	"html/template"
	"net/url"
	"strings"
	"time"

	"code.gitea.io/gitea/modules/base"
	"code.gitea.io/gitea/modules/emoji"
	"code.gitea.io/gitea/modules/markup"
	"code.gitea.io/gitea/modules/setting"
	"code.gitea.io/gitea/modules/svg"
	"code.gitea.io/gitea/modules/templates/eval"
	"code.gitea.io/gitea/modules/timeutil"
	"code.gitea.io/gitea/modules/util"
	"code.gitea.io/gitea/services/gitdiff"
)

// NewFuncMap returns functions for injecting to templates
func NewFuncMap() template.FuncMap {
	return map[string]any{
		"ctx": func() any { return nil }, // template context function

		"DumpVar": dumpVar,

		// -----------------------------------------------------------------
		// html/template related functions
		"dict":        dict, // it's lowercase because this name has been widely used. Our other functions should have uppercase names.
		"Eval":        Eval,
		"Safe":        Safe,
		"Escape":      html.EscapeString,
		"QueryEscape": url.QueryEscape,
		"JSEscape":    template.JSEscapeString,
		"Str2html":    Str2html, // TODO: rename it to SanitizeHTML
		"URLJoin":     util.URLJoin,
		"DotEscape":   DotEscape,

		"PathEscape":         url.PathEscape,
		"PathEscapeSegments": util.PathEscapeSegments,

		// utils
		"StringUtils": NewStringUtils,
		"SliceUtils":  NewSliceUtils,
		"JsonUtils":   NewJsonUtils,

		// -----------------------------------------------------------------
		// svg / avatar / icon
		"svg":           svg.RenderHTML,
		"EntryIcon":     base.EntryIcon,
		"MigrationIcon": MigrationIcon,
		"ActionIcon":    ActionIcon,

		"SortArrow": SortArrow,

		// -----------------------------------------------------------------
		// time / number / format
		"FileSize":      base.FileSize,
		"CountFmt":      base.FormatNumberSI,
		"TimeSince":     timeutil.TimeSince,
		"TimeSinceUnix": timeutil.TimeSinceUnix,
		"DateTime":      timeutil.DateTime,
		"Sec2Time":      util.SecToTime,
		"LoadTimes": func(startTime time.Time) string {
			return fmt.Sprint(time.Since(startTime).Nanoseconds()/1e6) + "ms"
		},

		// -----------------------------------------------------------------
		// setting
		"AppName": func() string {
			return setting.AppName
		},
		"AppSubUrl": func() string {
			return setting.AppSubURL
		},
		"AssetUrlPrefix": func() string {
			return setting.StaticURLPrefix + "/assets"
		},
		"AppUrl": func() string {
			// The usage of AppUrl should be avoided as much as possible,
			// because the AppURL(ROOT_URL) may not match user's visiting site and the ROOT_URL in app.ini may be incorrect.
			// And it's difficult for Gitea to guess absolute URL correctly with zero configuration,
			// because Gitea doesn't know whether the scheme is HTTP or HTTPS unless the reverse proxy could tell Gitea.
			return setting.AppURL
		},
		"AppVer": func() string {
			return setting.AppVer
		},
		"AppDomain": func() string { // documented in mail-templates.md
			return setting.Domain
		},
		"AssetVersion": func() string {
			return setting.AssetVersion
		},
		"DefaultShowFullName": func() bool {
			return setting.UI.DefaultShowFullName
		},
		"ShowFooterTemplateLoadTime": func() bool {
			return setting.Other.ShowFooterTemplateLoadTime
		},
		"AllowedReactions": func() []string {
			return setting.UI.Reactions
		},
		"CustomEmojis": func() map[string]string {
			return setting.UI.CustomEmojisMap
		},
		"MetaAuthor": func() string {
			return setting.UI.Meta.Author
		},
		"MetaDescription": func() string {
			return setting.UI.Meta.Description
		},
		"MetaKeywords": func() string {
			return setting.UI.Meta.Keywords
		},
		"EnableTimetracking": func() bool {
			return setting.Service.EnableTimetracking
		},
		"DisableGitHooks": func() bool {
			return setting.DisableGitHooks
		},
		"DisableWebhooks": func() bool {
			return setting.DisableWebhooks
		},
		"DisableImportLocal": func() bool {
			return !setting.ImportLocalPaths
		},
		"DefaultTheme": func() string {
			return setting.UI.DefaultTheme
		},
		"NotificationSettings": func() map[string]any {
			return map[string]any{
				"MinTimeout":            int(setting.UI.Notification.MinTimeout / time.Millisecond),
				"TimeoutStep":           int(setting.UI.Notification.TimeoutStep / time.Millisecond),
				"MaxTimeout":            int(setting.UI.Notification.MaxTimeout / time.Millisecond),
				"EventSourceUpdateTime": int(setting.UI.Notification.EventSourceUpdateTime / time.Millisecond),
			}
		},
		"MermaidMaxSourceCharacters": func() int {
			return setting.MermaidMaxSourceCharacters
		},

		// -----------------------------------------------------------------
		// render
		"RenderCommitMessage":            RenderCommitMessage,
		"RenderCommitMessageLinkSubject": RenderCommitMessageLinkSubject,

		"RenderCommitBody": RenderCommitBody,
		"RenderCodeBlock":  RenderCodeBlock,
		"RenderIssueTitle": RenderIssueTitle,
		"RenderEmoji":      RenderEmoji,
		"RenderEmojiPlain": emoji.ReplaceAliases,
		"ReactionToEmoji":  ReactionToEmoji,
		"RenderNote":       RenderNote,

		"RenderMarkdownToHtml": RenderMarkdownToHtml,
		"RenderLabel":          RenderLabel,
		"RenderLabels":         RenderLabels,

		// -----------------------------------------------------------------
		// misc
		"ShortSha":                 base.ShortSha,
		"ActionContent2Commits":    ActionContent2Commits,
		"IsMultilineCommitMessage": IsMultilineCommitMessage,
		"CommentMustAsDiff":        gitdiff.CommentMustAsDiff,
		"MirrorRemoteAddress":      mirrorRemoteAddress,

		"FilenameIsImage": FilenameIsImage,
		"TabSizeClass":    TabSizeClass,
	}
}

// Safe render raw as HTML
func Safe(raw string) template.HTML {
	return template.HTML(raw)
}

// Str2html render Markdown text to HTML
func Str2html(raw string) template.HTML {
	return template.HTML(markup.Sanitize(raw))
}

// DotEscape wraps a dots in names with ZWJ [U+200D] in order to prevent autolinkers from detecting these as urls
func DotEscape(raw string) string {
	return strings.ReplaceAll(raw, ".", "\u200d.\u200d")
}

// Eval the expression and return the result, see the comment of eval.Expr for details.
// To use this helper function in templates, pass each token as a separate parameter.
//
//	{{ $int64 := Eval $var "+" 1 }}
//	{{ $float64 := Eval $var "+" 1.0 }}
//
// Golang's template supports comparable int types, so the int64 result can be used in later statements like {{if lt $int64 10}}
func Eval(tokens ...any) (any, error) {
	n, err := eval.Expr(tokens...)
	return n.Value, err
}