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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 <limits.h>

26 #include <stdint.h>

27 #include <stdio.h>

28 #include <string.h>

30 #include "galileo.h"

31 #include "tmpl.h"

33 !}

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

36     const char *title) }}

37 {!

38 	struct client *clt = tp->tp_arg;

39 	struct proxy_config *pc = clt->clt_pc;

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

41 	const char *prfx = clt->clt_script_name;

42 	const char *path = clt->clt_path_info;

43 !}

44 <!doctype html>

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

46 	<head>

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

49 		{{ if *stylesheet == 0 }}

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

51 		{{ else }}

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

53 		{{ end }}

55 		<title>

56 			{{ if title }}

57 				{{ title }}

58 			{{ else if pc }}

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

60 			{{ end }}

61 		</title>

62 	</head>

63 	<body>

64 {{ end }}

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

67 {!

68 	struct client *clt = tp->tp_arg;

69 	struct proxy_config *pc = clt->clt_pc;

70 	const char *path = clt->clt_path_info;

72 	if (path == NULL)

73 		path = "";

74 !}

75 	{{ if pc }}

76 		<footer>

77 			<hr />

78 			<dl>

79 				<dt>Original URL:</dt>

80 				<dd>

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

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

83 </a>

84 				</dd>

85 			</dl>

86 		</footer>

87 	{{ end }}

88 	</body>

89 </html>

90 {{ end }}

92 {{ define tp_figure(struct template *tp, const char *url,

93     const char *label) }}

94 <figure>

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

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

97 	</a>

98 	<figcaption>

99 		{{ label }}

100 	</figcaption>

101 </figure>

102 {{ end }}

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

105 <figure>

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

107 		<figcaption>{{ label }}</figcaption>

108 	{{ end }}

109 	<pre>

110 {{ end }}

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

113 	</pre>

114 </figure>

115 {{ end }}

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

118 {!

119 	char	scode[32];

120 	int	r;

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

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

124 		return (0);

126 !}

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

128 	<main>

129 		<h1>Proxy error</h1>

130 		{{ if code != -1 }}

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

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

133 		{{ else }}

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

135 		{{ end }}

136 	</main>

137 	{{ render tp_foot(tp) }}

138 {{ end }}

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

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

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

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

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

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

146 		{{ " " }}

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

148 	</form>

149 {{ render tp_foot(tp) }}

150 {{ end }}