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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"

32 !}

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

35     const char *title) }}

36 {!

37 	struct client *clt = tp->tp_arg;

38 	struct proxy_config *pc = clt->clt_pc;

39 	const char *stylesheet = pc->stylesheet;

40 	const char *prfx = clt->clt_script_name;

41 	const char *path = clt->clt_path_info;

42 !}

43 <!doctype html>

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

45 	<head>

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

48 		{{ if *stylesheet == 0 }}

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

50 		{{ else }}

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

52 		{{ end }}

54 		<title>

55 			{{ if title }}

56 				{{ title }}

57 			{{ else }}

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

59 			{{ end }}

60 		</title>

61 	</head>

62 	<body>

63 {{ end }}

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

66 {!

67 	struct client *clt = tp->tp_arg;

68 	struct proxy_config *pc = clt->clt_pc;

69 	const char *host = pc->proxy_name;

70 	const char *path = clt->clt_path_info;

71 !}

73 		<footer>

74 			<hr />

75 			<dl>

76 				<dt>Original URL:</dt>

77 				<dd>

78 <a href="gemini://{{ host | urlescape }}{{ path | urlescape }}">

79 gemini://{{ host }}{{ path }}

80 </a>

81 				</dd>

82 			</dl>

83 		</footer>

84 	</body>

85 </html>

86 {{ end }}

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

89     const char *label) }}

90 {!

91 	struct client	*clt = tp->tp_arg;

92 	const char	*path = "";

93 	int		 relativify;

95 	relativify = *url == '/' || strstr(url, "//") == NULL;

96 	if (relativify) {

97 		path = clt->clt_script_name;

98 		url++; /* skip leading / */

99 	}

100 !}

101 <figure>

102 	<a href="{{ path | urlescape }}{{ url | urlescape }}">

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

104 	</a>

105 	<figcaption>

106 		{{ label }}

107 	</figcaption>

108 </figure>

109 {{ end }}

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

112 {!

113 	char	scode[32];

114 	int	r;

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

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

118 		return (0);

120 !}

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

122 	<main>

123 		<h1>Proxy error</h1>

124 		{{ if code != -1 }}

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

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

127 		{{ else }}

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

129 		{{ end }}

130 	</main>

131 	{{ render tp_foot(tp) }}

132 {{ end }}

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

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

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

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

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

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

140 		{{ " " }}

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

142 	</form>

143 {{ render tp_foot(tp) }}

144 {{ end }}