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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 *path = clt->clt_path_info;

41 !}

42 <!doctype html>

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

44 	<head>

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

47 		{{ if *stylesheet == '\0' }}

48 		<link rel="stylesheet" href="{{ prfx|urlescape }}/galileo.css" />

49 		{{ else }}

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

51 		{{ end }}

53 		<title>

54 			{{ if title }}

55 				{{ title }}

56 			{{ else }}

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

58 			{{ end }}

59 		</title>

60 	</head>

61 	<body>

62 {{ end }}

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

65 {!

66 	struct client *clt = tp->tp_arg;

67 	struct proxy_config *pc = clt->clt_pc;

68 	const char *host = pc->proxy_name;

69 	const char *path = clt->clt_path_info;

70 !}

72 		<footer>

73 			<hr />

74 			<dl>

75 				<dt>Original URL:</dt>

76 				<dd>

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

78 gemini://{{ host }}{{ path }}

79 </a>

80 				</dd>

81 			</dl>

82 		</footer>

83 	</body>

84 </html>

85 {{ end }}

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

88     const char *label) }}

89 {!

90 	struct client	*clt = tp->tp_arg;

91 	const char	*path = "";

92 	int		 relativify;

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

95 	if (relativify) {

96 		path = clt->clt_script_name;

97 		url++; /* skip leading / */

98 	}

99 !}

100 <figure>

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

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

103 	</a>

104 	<figcaption>

105 		{{ label }}

106 	</figcaption>

107 </figure>

108 {{ end }}

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

111 {!

112 	char	scode[32];

113 	int	r;

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

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

117 		return 0;

119 !}

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

121 	<main>

122 		<h1>Proxy error</h1>

123 		{{ if code != -1 }}

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

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

126 		{{ else }}

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

128 		{{ end }}

129 	</main>

130 	{{ render tp_foot(tp) }}

131 {{ end }}

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

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

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

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

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

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

139 		{{ " " }}

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

141 	</form>

142 {{ render tp_foot(tp) }}

143 {{ end }}