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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 {! struct client *clt = tp->tp_arg; !}

37 {! struct proxy_config *pc = clt->clt_pc; !}

38 {! const char *stylesheet = pc->stylesheet; !}

39 {! const char *path = clt->clt_path_info; !}

40 <!doctype html>

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

42 	<head>

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

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

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

47 		{{ else }}

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

49 		{{ end }}

51 		<title>

52 			{{ if title }}

53 				{{ title }}

54 			{{ else }}

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

56 			{{ end }}

57 		</title>

58 	</head>

59 	<body>

60 {{ end }}

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

63 	{! struct client *clt = tp->tp_arg; !}

64 	{! struct proxy_config *pc = clt->clt_pc; !}

65 	{! const char *host = pc->proxy_name; !}

66 	{! const char *path = clt->clt_path_info; !}

68 		<footer>

69 			<hr />

70 			<dl>

71 				<dt>Original URL:</dt>

72 				<dd>

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

74 gemini://{{ host }}{{ path }}

75 </a>

76 				</dd>

77 			</dl>

78 		</footer>

79 	</body>

80 </html>

81 {{ end }}

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

84     const char *label) }}

85 {!

86 	struct client	*clt = tp->tp_arg;

87 	const char	*path = "";

88 	int		 relativify;

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

91 	if (relativify) {

92 		path = clt->clt_script_name;

93 		url++; /* skip leading / */

94 	}

95 !}

96 <figure>

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

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

99 	</a>

100 	<figcaption>

101 		{{ label }}

102 	</figcaption>

103 </figure>

104 {{ end }}

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

107 {!

108 	char	scode[32];

109 	int	r;

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

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

113 		return 0;

115 !}

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

117 	<main>

118 		<h1>Proxy error</h1>

119 		{{ if code != -1 }}

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

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

122 		{{ else }}

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

124 		{{ end }}

125 	</main>

126 	{{ render tp_foot(tp) }}

127 {{ end }}

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

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

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

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

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

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

135 		{{ " " }}

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

137 	</form>

138 {{ render tp_foot(tp) }}

139 {{ end }}