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tweak nav style and add some icons
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1 {!

2 /*

3  * Copyright (c) 2022 Omar Polo <op@omarpolo.com>

4  *

5  * Permission to use, copy, modify, and distribute this software for any

6  * purpose with or without fee is hereby granted, provided that the above

7  * copyright notice and this permission notice appear in all copies.

8  *

9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES

10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF

11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR

12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES

13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN

14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF

15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

16  */

18 #include <sys/queue.h>

19 #include <sys/tree.h>

21 #include <netinet/in.h>

22 #include <arpa/inet.h>

24 #include <event.h>

25 #include <libgen.h>

26 #include <limits.h>

27 #include <stdint.h>

28 #include <stdio.h>

29 #include <string.h>

31 #include "galileo.h"

32 #include "tmpl.h"

34 static int tp_navigation(struct template *);

36 !}

38 {{ define tp_head(struct template *tp, const char *lang,

39     const char *title) }}

40 {!

41 	struct client *clt = tp->tp_arg;

42 	struct proxy_config *pc = clt->clt_pc;

43 	const char *stylesheet = pc ? pc->stylesheet : "";

44 	const char *prfx = clt->clt_script_name;

45 	const char *path = clt->clt_path_info;

46 !}

47 <!doctype html>

48 <html{{ if *lang != '\0' }}{{ " " }}lang="{{ lang }}"{{ end }}>

49 	<head>

50 		<meta name="viewport" content="initial-scale=1" />

52 		{{ if *stylesheet == 0 }}

53 		<link rel="stylesheet" href="{{ prfx }}galileo.css" />

54 		{{ else }}

55 		<link rel="stylesheet" href="{{ stylesheet|urlescape }}" />

56 		{{ end }}

58 		<title>

59 			{{ if title }}

60 				{{ title }}

61 			{{ else if pc }}

62 				gemini://{{ pc->proxy_name }}{{ path }}

63 			{{ end }}

64 		</title>

65 	</head>

66 	<body>

67 		{{ if path }}

68 			{{ render tp_navigation(tp) }}

69 		{{ end }}

70 {{ end }}

72 {{ define tp_foot(struct template *tp) }}

73 {!

74 	struct client *clt = tp->tp_arg;

75 	struct proxy_config *pc = clt->clt_pc;

76 	const char *path = clt->clt_path_info;

77 !}

78 	{{ if pc }}

79 		<footer>

80 			<hr />

81 			<dl>

82 				<dt>Original URL:</dt>

83 				<dd>

84 <a href="gemini://{{ pc->proxy_name | urlescape }}{{ path | urlescape }}">

85 gemini://{{ pc->proxy_name }}{{ path }}

86 </a>

87 				</dd>

88 			</dl>

89 		</footer>

90 	{{ end }}

91 	</body>

92 </html>

93 {{ end }}

95 {{ define tp_navigation(struct template *tp) }}

96 {!

97 	struct client	*clt = tp->tp_arg;

98 	const char	*prfx = clt->clt_script_name;

99 	char		*path = clt->clt_path_info;

100 	char		*tilde, *t, home[GEMINI_MAXLEN], up[GEMINI_MAXLEN];

101 	char		*dname;

102 	char		 c;

104 	*home = '\0';

105 	if ((tilde = strstr(path, "/~")) != NULL &&

106 	    (t = strchr(tilde + 1, '/')) != NULL) {

107 		c = *++t;

108 		*t = '\0';

109 		(void) strlcpy(home, path + 1, sizeof(home));

110 		*t = c;

113 	(void) strlcpy(up, path + 1, sizeof(up));

114 	dname = dirname(up);

115 !}

116 <header>

117 	<nav>

118 		<ul>

119 			<li><a href="{{ prfx }}">/ Root</a></li>

121 			{{ if *home != '\0' }}

122 			<li><a href="{{ prfx }}{{ home }}">🏠 Home</a></li>

123 			{{ end }}

125 			{{ if strcmp(dname, ".") != 0 }}

126 			<li><a href="{{ prfx }}{{ dname }}/">↑ Up</a></li>

127 			{{ end }}

128 		</ul>

129 	</nav>

130 </header>

131 {{ end }}

133 {{ define tp_figure(struct template *tp, const char *url, const char *label) }}

134 <figure>

135 	<a href="{{ url | urlescape }}">

136 		<img src="{{ url | urlescape }}" />

137 	</a>

138 	<figcaption>

139 		{{ label }}

140 	</figcaption>

141 </figure>

142 {{ end }}

144 {{ define tp_pre_open(struct template *tp, const char *label) }}

145 <figure>

146 	{{ if label && *label != '\0' }}

147 		<figcaption>{{ label }}</figcaption>

148 	{{ end }}

149 	<pre>

150 {{ end }}

152 {{ define tp_pre_close(struct template *tp) }}

153 	</pre>

154 </figure>

155 {{ end }}

157 {{ define tp_error(struct template *tp, int code, const char *reason) }}

158 {!

159 	char	scode[32];

160 	int	r;

162 	r = snprintf(scode, sizeof(code), "%d", code);

163 	if (r < 0 || (size_t)r >= sizeof(code))

164 		return (0);

166 !}

167 	{{ render tp_head(tp, "en", "Proxy error") }}

168 	<main>

169 		<h1>Proxy error</h1>

170 		{{ if code != -1 }}

171 			<p>Request failed with code: <code>{{ scode }}</code>.</p>

172 			<p>The server says: {{ reason }}.</p>

173 		{{ else }}

174 			<p>Unable to serve the page due to: {{ reason }}.</p>

175 		{{ end }}

176 	</main>

177 	{{ render tp_foot(tp) }}

178 {{ end }}

180 {{ define tp_inputpage(struct template *tp, const char *prompt) }}

181 	{{ render tp_head(tp, "en", "input request") }}

182 	<p>The server ask for input: <q>{{ prompt }}</q>.</p>

183 	<form method="post" enctype="{{ FORM_URLENCODED }}">

184 		<label for="reply">{{ "response " }}</label>

185 		<input type="text" value="" id="reply" name="q" autofocus />

186 		{{ " " }}

187 		<button type="submit">Submit!</button>

188 	</form>

189 {{ render tp_foot(tp) }}

190 {{ end }}