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1 nishi 1 
/* $Id: modern.c 13 2024-08-21 12:31:40Z nishi $ */
2 
 
3 
#include "rv_query.h"
4 
 
5 
#include "rv_util.h"
6 
#include "rv_version.h"
3 nishi 7 
#include "rv_auth.h"
1 nishi 8 
#include "rv_db.h"
11 nishi 9 
#include "rv_repo.h"
1 nishi 10 
 
11 
#include "../../config.h"
12 
 
13 nishi 13 
#ifdef USE_ENSCRIPT
14 
#include "rv_enscript.h"
15 
#endif
16 
 
7 nishi 17 
#include <stdio.h>
1 nishi 18 
#include <stdlib.h>
19 
#include <string.h>
20 
 
21 
extern char* buffer;
22 
void add_data(char** data, const char* txt);
23 
void render_stuff();
24 
 
25 
char* title = NULL;
26 
char* desc = NULL;
27 
char* page = NULL;
10 nishi 28 
char* nav = NULL;
11 nishi 29 
char* grepouser;
6 nishi 30 
extern char* user;
1 nishi 31 
 
11 nishi 32 
char* url_escape(const char* input) {
33 
	const char hex[] = "0123456789ABCDEF";
34 
	char* r = malloc(1);
35 
	r[0] = 0;
36 
	char cbuf[2];
37 
	cbuf[1] = 0;
38 
	int i;
39 
	for(i = 0; input[i] != 0; i++) {
40 
		if(input[i] == 0x20 || input[i] == 0x22 || input[i] == 0x25 || input[i] == 0x2d || input[i] == 0x2e || input[i] == 0x3c || input[i] == 0x3e || input[i] == 0x5c || input[i] == 0x5e || input[i] == 0x5f || input[i] == 0x60 || input[i] == 0x7b || input[i] == 0x7c || input[i] == 0x7d || input[i] == 0x7e || input[i] == 0x21 || input[i] == 0x23 || input[i] == 0x24 || input[i] == 0x26 || input[i] == 0x27 || input[i] == 0x28 || input[i] == 0x29 || input[i] == 0x2a || input[i] == 0x2b || input[i] == 0x2c || input[i] == 0x2f || input[i] == 0x3a || input[i] == 0x3b || input[i] == 0x3d || input[i] == 0x3f || input[i] == 0x40 || input[i] == 0x5b || input[i] == 0x5d) {
41 
			add_data(&r, "%");
42 
			cbuf[0] = hex[(input[i] >> 4) & 0xf];
43 
			add_data(&r, cbuf);
44 
			cbuf[0] = hex[input[i] & 0xf];
45 
			add_data(&r, cbuf);
46 
		} else {
47 
			cbuf[0] = input[i];
48 
			add_data(&r, cbuf);
49 
		}
50 
	}
51 
	return r;
52 
}
53 
 
54 
char* html_escape(const char* input) {
55 
	char* r = malloc(1);
56 
	r[0] = 0;
57 
	char cbuf[2];
58 
	cbuf[1] = 0;
59 
	int i;
60 
	for(i = 0; input[i] != 0; i++) {
61 
		if(input[i] == '<') {
62 
			add_data(&r, "&lt;");
63 
		} else if(input[i] == '>') {
64 
			add_data(&r, "&gt;");
65 
		} else {
66 
			cbuf[0] = input[i];
67 
			add_data(&r, cbuf);
68 
		}
69 
	}
70 
	return r;
71 
}
72 
 
73 
char* html_escape_nl_to_br(const char* input) {
74 
	char* r = malloc(1);
75 
	r[0] = 0;
76 
	char cbuf[2];
77 
	cbuf[1] = 0;
78 
	int i;
79 
	for(i = 0; input[i] != 0; i++) {
80 
		if(input[i] == '<') {
81 
			add_data(&r, "&lt;");
82 
		} else if(input[i] == '>') {
83 
			add_data(&r, "&gt;");
84 
		} else if(input[i] == '\n') {
85 
			add_data(&r, "<br>");
86 
		} else {
87 
			cbuf[0] = input[i];
88 
			add_data(&r, cbuf);
89 
		}
90 
	}
91 
	return r;
92 
}
93 
 
94 
void list_repo(const char* name, const char* rev) {
95 
	char* showname = html_escape(name);
96 
	char* urluser = url_escape(user);
97 
	char* urlrepo = url_escape(name);
98 
	add_data(&page, "<tr>");
99 
	add_data(&page, "<td><a href=\"");
100 
	add_data(&page, INSTANCE_ROOT);
101 
	add_data(&page, "/?page=repo&reponame=");
102 
	add_data(&page, urlrepo);
103 
	add_data(&page, "&username=");
104 
	add_data(&page, urluser);
105 
	add_data(&page, "\">");
106 
	add_data(&page, showname);
107 
	add_data(&page, "</a></td>");
108 
	add_data(&page, "<td>");
109 
	add_data(&page, rev);
110 
	add_data(&page, "</td>");
111 
	add_data(&page, "</tr>");
112 
	free(showname);
113 
	free(urluser);
114 
	free(urlrepo);
115 
}
116 
 
117 
int fcounter = 0;
118 
void list_files(const char* pathname) {
119 
	if(fcounter == 0) {
120 
		add_data(&nav, "<li><a href=\"#filelist\">File List</a></li>\n");
121 
		add_data(&page, "<h2 id=\"filelist\">File List</h2>\n");
122 
		add_data(&page, "<tr style=\"background-color: #D2E1F6;\"><th>Name</th><th>Size</th></tr>\n");
12 nishi 123 
		char* path = rv_get_query("path");
124 
		if(path == NULL) path = "/";
125 
		if(strcmp(path, "/") != 0) {
126 
			char* query = rv_strdup("?page=repo&reponame=");
127 
			char* esc;
128 
			esc = url_escape(rv_get_query("reponame"));
129 
			add_data(&query, esc);
130 
			free(esc);
131 
			add_data(&query, "&username=");
132 
			esc = url_escape(user);
133 
			add_data(&query, esc);
134 
			free(esc);
135 
			add_data(&query, "&path=");
136 
 
137 
			char* urlpath = rv_strdup(path);
138 
			int i;
139 
			int counter = 0;
140 
			int rep = urlpath[strlen(urlpath) - 1] == '/' ? 2 : 1;
141 
			for(i = strlen(urlpath) - 1; i >= 0; i--) {
142 
				char oldc = urlpath[i];
143 
				urlpath[i] = 0;
144 
				if(oldc == '/') {
145 
					counter++;
146 
					if(counter == 2) {
147 
						break;
148 
					}
149 
				}
150 
			}
151 
 
152 
			if(strlen(urlpath) == 0) {
153 
				free(urlpath);
154 
				urlpath = rv_strdup("/");
155 
			}
156 
 
157 
			esc = url_escape(urlpath);
158 
			add_data(&query, esc);
159 
			free(esc);
160 
 
161 
			add_data(&page, "<tr><td><a href=\"");
162 
			add_data(&page, query);
163 
			add_data(&page, "\">../</a></td><td>&lt;DIR&gt;</td></tr>\n");
164 
			fcounter++;
165 
			free(query);
166 
		}
11 nishi 167 
	}
168 
	fcounter++;
169 
	add_data(&page, "<tr style=\"background-color: #");
170 
	if((fcounter % 2) == 0) {
171 
		add_data(&page, "D2E1C0");
172 
	} else {
173 
		add_data(&page, "FFFFFF");
174 
	}
175 
	char* path = rv_get_query("path");
176 
	if(path == NULL) path = "/";
177 
	char* query = rv_strdup("?page=repo&reponame=");
178 
	char* esc;
179 
	esc = url_escape(rv_get_query("reponame"));
180 
	add_data(&query, esc);
181 
	free(esc);
182 
	add_data(&query, "&username=");
183 
	esc = url_escape(user);
184 
	add_data(&query, esc);
185 
	free(esc);
186 
	add_data(&query, "&path=");
13 nishi 187 
	char* urlpath = rv_strcat3(path, "/", pathname);
11 nishi 188 
	esc = url_escape(urlpath);
189 
	add_data(&query, esc);
190 
	free(esc);
191 
	char* sz = malloc(128);
192 
	sprintf(sz, "%lld", rv_get_filesize(grepouser, urlpath));
193 
	add_data(&page, "\"><td><a href=\"");
194 
	add_data(&page, query);
195 
	add_data(&page, "\">");
196 
	add_data(&page, pathname);
197 
	add_data(&page, "</a></td>\n");
198 
	add_data(&page, "<td>\n");
199 
	if(strcmp(sz, "-1") != 0) {
200 
		add_data(&page, sz);
201 
	} else {
202 
		add_data(&page, "&lt;DIR&gt;");
203 
	}
204 
	add_data(&page, "</td>\n");
205 
	free(sz);
206 
	add_data(&page, "</tr>\n");
207 
	free(query);
208 
	free(urlpath);
209 
}
210 
 
3 nishi 211 
void render_page(void) {
1 nishi 212 
	rv_load_query('Q');
213 
	char* query = rv_get_query("page");
214 
	if(query == NULL) query = "welcome";
215 
 
3 nishi 216 
	if(strcmp(query, "welcome") == 0) {
1 nishi 217 
		title = rv_strdup("Welcome");
218 
		desc = rv_strdup("Welcome to " INSTANCE_NAME ".");
219 
		page = rv_strcat3("Welcome to " INSTANCE_NAME ".<br>This instance is running RepoView version ", rv_get_version(), ".");
13 nishi 220 
#ifdef ALLOW_SIGNUP
221 
	} else if(strcmp(query, "signup") == 0) {
222 
		title = rv_strdup("Signup");
223 
		desc = rv_strdup("You can create your account here.");
224 
		page = rv_strdup("");
225 
 
226 
		add_data(&page, "<form action=\"");
227 
		add_data(&page, INSTANCE_ROOT);
228 
		add_data(&page, "/?page=sendsignup\" method=\"POST\">\n");
229 
		add_data(&page, "	<table border=\"0\">\n");
230 
		add_data(&page, "		<tr>\n");
231 
		add_data(&page, "			<th>Username</th>\n");
232 
		add_data(&page, "			<td>\n");
233 
		add_data(&page, "				<input name=\"username\">\n");
234 
		add_data(&page, "			</td>\n");
235 
		add_data(&page, "		</tr>\n");
236 
		add_data(&page, "		<tr>\n");
237 
		add_data(&page, "			<th>Password</th>\n");
238 
		add_data(&page, "			<td>\n");
239 
		add_data(&page, "				<input name=\"password\" type=\"password\">\n");
240 
		add_data(&page, "			</td>\n");
241 
		add_data(&page, "		</tr>\n");
242 
		add_data(&page, "	</table>\n");
243 
		char cbuf[2];
244 
		cbuf[0] = REPO_USER_DELIM;
245 
		cbuf[1] = 0;
246 
		add_data(&page, "Username cannot contain '<code>");
247 
		add_data(&page, cbuf);
248 
		add_data(&page, "</code>'.<br>");
249 
		add_data(&page, "	<input type=\"submit\" value=\"Signup\">\n");
250 
		add_data(&page, "</form>\n");
251 
	} else if(strcmp(query, "sendsignup") == 0) {
252 
		title = rv_strdup("Signup Result");
253 
		page = rv_strdup("");
254 
 
255 
		rv_load_query('P');
256 
		if(user != NULL) {
257 
			page = rv_strdup("It looks like you are already logged in.<br>Want to <a href=\"");
258 
			add_data(&page, INSTANCE_ROOT);
259 
			add_data(&page, "/?page=logout\">log out</a>?\n");
260 
		} else if(rv_get_query("username") == NULL || rv_get_query("password") == NULL) {
261 
			add_data(&page, "Invalid form.\n");
262 
		} else {
263 
			if(rv_has_user(rv_get_query("username"))) {
264 
				add_data(&page, "User already exists.");
265 
			} else {
266 
				if(user != NULL) free(user);
267 
				int i;
268 
				bool reject = false;
269 
				char* name = rv_get_query("username");
270 
				for(i = 0; name[i] != 0; i++) {
271 
					if(name[i] == REPO_USER_DELIM) {
272 
						char cbuf[2];
273 
						cbuf[0] = REPO_USER_DELIM;
274 
						cbuf[1] = 0;
275 
						add_data(&page, "Username cannot contain '<code>");
276 
						add_data(&page, cbuf);
277 
						add_data(&page, "</code>'.");
278 
						reject = true;
279 
						break;
280 
					}
281 
				}
282 
				if(!reject) {
283 
					rv_create_user(rv_get_query("username"), rv_get_query("password"));
284 
					user = rv_strdup(rv_get_query("username"));
285 
					add_data(&page, "Welcome.\n");
286 
					rv_save_login(rv_get_query("username"));
287 
				}
288 
			}
289 
		}
290 
#endif
3 nishi 291 
	} else if(strcmp(query, "login") == 0) {
1 nishi 292 
		title = rv_strdup("Login");
293 
		desc = rv_strdup("You can log in to your account here.");
294 
		page = rv_strdup("");
295 
 
296 
		add_data(&page, "<form action=\"");
297 
		add_data(&page, INSTANCE_ROOT);
298 
		add_data(&page, "/?page=sendlogin\" method=\"POST\">\n");
299 
		add_data(&page, "	<table border=\"0\">\n");
300 
		add_data(&page, "		<tr>\n");
301 
		add_data(&page, "			<th>Username</th>\n");
302 
		add_data(&page, "			<td>\n");
303 
		add_data(&page, "				<input name=\"username\">\n");
304 
		add_data(&page, "			</td>\n");
305 
		add_data(&page, "		</tr>\n");
306 
		add_data(&page, "		<tr>\n");
307 
		add_data(&page, "			<th>Password</th>\n");
308 
		add_data(&page, "			<td>\n");
309 
		add_data(&page, "				<input name=\"password\" type=\"password\">\n");
310 
		add_data(&page, "			</td>\n");
311 
		add_data(&page, "		</tr>\n");
312 
		add_data(&page, "	</table>\n");
313 
		add_data(&page, "	<input type=\"submit\" value=\"Login\">\n");
314 
		add_data(&page, "</form>\n");
3 nishi 315 
	} else if(strcmp(query, "sendlogin") == 0) {
1 nishi 316 
		title = rv_strdup("Login Result");
317 
		page = rv_strdup("");
318 
 
319 
		rv_load_query('P');
11 nishi 320 
		if(user != NULL) {
321 
			page = rv_strdup("It looks like you are already logged in.<br>Want to <a href=\"");
322 
			add_data(&page, INSTANCE_ROOT);
13 nishi 323 
			add_data(&page, "/?page=logout\">log out</a>?\n");
11 nishi 324 
		} else if(rv_get_query("username") == NULL || rv_get_query("password") == NULL) {
5 nishi 325 
			add_data(&page, "Invalid form.\n");
3 nishi 326 
		} else {
327 
			if(rv_has_user(rv_get_query("username"))) {
5 nishi 328 
				if(rv_check_password(rv_get_query("username"), rv_get_query("password"))) {
6 nishi 329 
					if(user != NULL) free(user);
330 
					user = rv_strdup(rv_get_query("username"));
5 nishi 331 
					add_data(&page, "Welcome back.\n");
332 
					rv_save_login(rv_get_query("username"));
333 
				} else {
334 
					add_data(&page, "Invalid password.");
335 
				}
3 nishi 336 
			} else {
5 nishi 337 
				add_data(&page, "User does not exist.");
1 nishi 338 
			}
339 
		}
7 nishi 340 
	} else if(strcmp(query, "sendlogout") == 0) {
341 
		title = rv_strdup("Logout Result");
342 
		page = rv_strdup("");
343 
		if(user == NULL) {
344 
			add_data(&page, "You were not logged in.\n");
345 
		} else {
346 
			rv_logout();
347 
			add_data(&page, "Goodbye.\n");
348 
			free(user);
349 
			user = NULL;
350 
		}
6 nishi 351 
	} else if(strcmp(query, "mypage") == 0) {
352 
		title = rv_strdup("My Page");
353 
		desc = rv_strdup("You manage your information here.");
354 
		if(user == NULL) {
355 
			page = rv_strdup("It looks like you are not logged in.<br>Want to <a href=\"");
356 
			add_data(&page, INSTANCE_ROOT);
357 
			add_data(&page, "/?page=login\">log in</a>?\n");
358 
		}
9 nishi 359 
	} else if(strcmp(query, "myrepo") == 0) {
360 
		title = rv_strdup("My Repositories");
361 
		desc = rv_strdup("You manage your repositories here.");
362 
		if(user == NULL) {
363 
			page = rv_strdup("It looks like you are not logged in.<br>Want to <a href=\"");
364 
			add_data(&page, INSTANCE_ROOT);
365 
			add_data(&page, "/?page=login\">log in</a>?\n");
10 nishi 366 
		} else {
11 nishi 367 
			char cbuf[2];
368 
			cbuf[0] = REPO_USER_DELIM;
369 
			cbuf[1] = 0;
10 nishi 370 
			nav = rv_strdup("");
371 
			add_data(&nav, "<li><a href=\"#createrepo\">Create a repository</a></li>\n");
372 
			add_data(&nav, "<li><a href=\"#repolist\">Repository List</a></li>\n");
373 
			page = rv_strdup("");
374 
			add_data(&page, "<h2 id=\"createrepo\">Create a repository</h2>\n");
375 
			add_data(&page, "<form action=\"");
376 
			add_data(&page, INSTANCE_ROOT);
377 
			add_data(&page, "/?page=createrepo\" method=\"POST\">\n");
378 
			add_data(&page, "	<table border=\"0\">\n");
379 
			add_data(&page, "		<tr>\n");
380 
			add_data(&page, "			<th>Repository name</th>\n");
381 
			add_data(&page, "			<td>\n");
382 
			add_data(&page, "				<input name=\"name\">\n");
383 
			add_data(&page, "			</td>\n");
384 
			add_data(&page, "			<td><input type=\"submit\" value=\"Create\"></td>\n");
385 
			add_data(&page, "		</tr>\n");
386 
			add_data(&page, "	</table>\n");
11 nishi 387 
			add_data(&page, "Repository name cannot contain '<code>");
388 
			add_data(&page, cbuf);
389 
			add_data(&page, "</code>'.");
10 nishi 390 
			add_data(&page, "</form>\n");
391 
			add_data(&page, "<h2 id=\"repolist\">Repository List</h2>\n");
11 nishi 392 
			add_data(&page, "<table border=\"0\">\n");
393 
			add_data(&page, "<tr><th>Repository name</th><th>Revision</th></tr>\n");
394 
			rv_repo_list(user, list_repo);
395 
			add_data(&page, "</table>\n");
9 nishi 396 
		}
11 nishi 397 
	} else if(strcmp(query, "createrepo") == 0) {
398 
		title = rv_strdup("Creating Repository Result");
399 
		page = rv_strdup("");
400 
 
401 
		rv_load_query('P');
402 
		if(user == NULL) {
403 
			page = rv_strdup("It looks like you are not logged in.<br>Want to <a href=\"");
404 
			add_data(&page, INSTANCE_ROOT);
405 
			add_data(&page, "/?page=login\">log in</a>?\n");
406 
		} else if(rv_get_query("name") == NULL) {
407 
			add_data(&page, "Invalid form.\n");
408 
		} else {
409 
			int i;
410 
			bool reject = false;
411 
			char* name = rv_get_query("name");
412 
			for(i = 0; name[i] != 0; i++) {
413 
				if(name[i] == REPO_USER_DELIM) {
414 
					char cbuf[2];
415 
					cbuf[0] = REPO_USER_DELIM;
416 
					cbuf[1] = 0;
417 
					add_data(&page, "Repository name cannot contain '<code>");
418 
					add_data(&page, cbuf);
419 
					add_data(&page, "</code>'.");
420 
					reject = true;
421 
					break;
422 
				}
423 
			}
424 
			if(!reject) {
425 
				char* ru = rv_construct_repouser(name, user);
426 
				if(rv_repo_exists(ru)) {
427 
					add_data(&page, "Repository already exists.");
428 
				} else {
429 
					char* esc;
430 
					rv_create_repo(ru);
431 
					add_data(&page, "Repository has been created.<br>\n");
432 
					add_data(&page, "<a href=\"");
433 
					add_data(&page, INSTANCE_ROOT);
434 
					esc = url_escape(name);
435 
					add_data(&page, "/?page=repo&reponame=");
436 
					add_data(&page, esc);
437 
					free(esc);
438 
					esc = url_escape(user);
439 
					add_data(&page, "&username=");
440 
					add_data(&page, esc);
441 
					free(esc);
442 
					add_data(&page, "\">Go to the repository</a>.\n");
443 
				}
444 
				free(ru);
445 
			}
446 
		}
7 nishi 447 
	} else if(strcmp(query, "logout") == 0) {
448 
		title = rv_strdup("Logout");
449 
		desc = rv_strdup("You can log out from your account here.");
450 
		if(user == NULL) {
451 
			page = rv_strdup("It looks like you are not logged in.<br>Want to <a href=\"");
452 
			add_data(&page, INSTANCE_ROOT);
453 
			add_data(&page, "/?page=login\">log in</a>?\n");
454 
		} else {
455 
			page = rv_strdup("");
456 
			add_data(&page, "Are you sure you want to log out?\n");
457 
			add_data(&page, "<form method=\"POST\" action=\"");
458 
			add_data(&page, INSTANCE_ROOT);
459 
			add_data(&page, "/?page=sendlogout\">\n");
460 
			add_data(&page, "	<input type=\"submit\" value=\"Yes\">\n");
461 
			add_data(&page, "</form>\n");
462 
		}
11 nishi 463 
	} else if(strcmp(query, "repo") == 0) {
464 
		title = rv_strdup("Repository");
465 
		desc = rv_strdup("");
466 
		page = rv_strdup("");
467 
		nav = rv_strdup("");
468 
		if(rv_get_query("username") == NULL || rv_get_query("reponame") == NULL) {
469 
			add_data(&page, "Required parameters not set.");
470 
		} else {
471 
			char* user = rv_get_query("username");
472 
			char* repo = rv_get_query("reponame");
473 
			char* repouser = rv_construct_repouser(repo, user);
474 
			grepouser = repouser;
475 
			if(rv_repo_exists(repouser)) {
476 
				char* showuser = html_escape(user);
477 
				char* showrepo = html_escape(repo);
478 
				char* showreadme = rv_get_readme(repouser);
479 
				desc = html_escape_nl_to_br(showreadme);
480 
				add_data(&title, " - ");
481 
				add_data(&title, showrepo);
482 
				add_data(&title, "/");
483 
				add_data(&title, showuser);
484 
				free(showuser);
485 
				free(showrepo);
486 
				free(showreadme);
487 
 
488 
				int isdir;
489 
				char* path = rv_get_query("path");
490 
				if(path == NULL) path = "/";
491 
				fcounter = 0;
492 
				add_data(&page, "<table border=\"0\" style=\"width: 100%;\">");
493 
				if(!rv_get_list(repouser, path, list_files, &isdir)) {
494 
					add_data(&page, "<tr><td>Path not found.</td></tr>\n");
495 
				}
496 
				add_data(&page, "</table>");
497 
				if(isdir == 0) {
498 
					add_data(&nav, "<li><a href=\"#filecontent\">Content</a></li>");
499 
					add_data(&page, "<h2 id=\"filecontent\">Content</h2>\n");
500 
					add_data(&page, "<pre class=\"codeblock\"><code>");
13 nishi 501 
#ifdef USE_ENSCRIPT
502 
					int i;
503 
					char* ext = NULL;
504 
					for(i = strlen(path) - 1; i >= 0; i--) {
505 
						if(path[i] == '.') {
506 
							ext = path + i + 1;
507 
							break;
508 
						}
509 
					}
510 
					char* data = rv_enscript(repouser, path, ext);
511 
					if(data != NULL) {
512 
						add_data(&page, data);
513 
						free(data);
514 
					} else {
515 
						data = rv_read_file(repouser, path);
516 
						if(data != NULL) {
517 
							char* esc = html_escape_nl_to_br(data);
518 
							add_data(&page, esc);
519 
							free(esc);
520 
							free(data);
521 
						} else {
522 
							add_data(&page, "Cannot open the file.\n");
523 
						}
524 
					}
525 
#else
11 nishi 526 
					char* data = rv_read_file(repouser, path);
12 nishi 527 
					if(data != NULL) {
528 
						char* esc = html_escape_nl_to_br(data);
529 
						add_data(&page, esc);
530 
						free(esc);
531 
						free(data);
532 
					} else {
533 
						add_data(&page, "Cannot open the file.\n");
534 
					}
13 nishi 535 
#endif
11 nishi 536 
					add_data(&page, "</code></pre>");
537 
				}
538 
			} else {
539 
				add_data(&page, "Repository does not exist.\n");
540 
			}
541 
			free(repouser);
542 
		}
1 nishi 543 
	}
544 
 
545 
	if(title == NULL) title = rv_strdup("");
546 
	if(desc == NULL) desc = rv_strdup("");
547 
	if(page == NULL) page = rv_strdup("");
10 nishi 548 
	if(nav == NULL) nav = rv_strdup("");
1 nishi 549 
	render_stuff();
550 
	free(page);
551 
	free(desc);
552 
	free(title);
10 nishi 553 
	free(nav);
1 nishi 554 
}
555 
 
3 nishi 556 
char* escape(const char* str) {
1 nishi 557 
	char* r = malloc(1);
558 
	r[0] = 0;
559 
	char cbuf[2];
560 
	cbuf[1] = 0;
561 
	int i;
3 nishi 562 
	for(i = 0; str[i] != 0; i++) {
563 
		if(str[i] == '<') {
1 nishi 564 
			char* tmp = r;
565 
			r = rv_strcat(tmp, "&lt;");
566 
			free(tmp);
3 nishi 567 
		} else if(str[i] == '>') {
1 nishi 568 
			char* tmp = r;
569 
			r = rv_strcat(tmp, "&gt;");
570 
			free(tmp);
3 nishi 571 
		} else {
1 nishi 572 
			cbuf[0] = str[i];
573 
			char* tmp = r;
574 
			r = rv_strcat(tmp, cbuf);
575 
			free(tmp);
576 
		}
577 
	}
578 
	return r;
579 
}
580 
 
3 nishi 581 
void render_stuff(void) {
1 nishi 582 
	char* escaped;
583 
	add_data(&buffer, "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01//EN\" \"http://www.w3.org/TR/html4/strict.dtd\">\n");
584 
	add_data(&buffer, "<html>\n");
585 
	add_data(&buffer, "	<head>\n");
586 
	add_data(&buffer, "		<meta http-equiv=\"Content-Type\" content=\"text/html;charset=utf-8\">\n");
587 
	add_data(&buffer, "		<title>");
588 
	add_data(&buffer, INSTANCE_NAME);
589 
	add_data(&buffer, " - ");
590 
	add_data(&buffer, title);
591 
	add_data(&buffer, "</title>\n");
592 
	add_data(&buffer, "		<style type=\"text/css\">\n");
593 
	add_data(&buffer, "* {\n");
594 
	add_data(&buffer, "	padding: 0;\n");
595 
	add_data(&buffer, "	margin: 0;\n");
596 
	add_data(&buffer, "}\n");
597 
	add_data(&buffer, "li {\n");
598 
	add_data(&buffer, "	list-style: outside;\n");
599 
	add_data(&buffer, "	margin-left: 1.25em;\n");
600 
	add_data(&buffer, "}\n");
601 
	add_data(&buffer, "a {\n");
602 
	add_data(&buffer, "	text-decoration: none;\n");
603 
	add_data(&buffer, "}\n");
604 
	add_data(&buffer, "#nav div {\n");
605 
	add_data(&buffer, "	float: left;\n");
606 
	add_data(&buffer, "	margin: 0 0;\n");
607 
	add_data(&buffer, "	padding-left: 0;\n");
9 nishi 608 
	add_data(&buffer, "	padding-right: 25px;\n");
1 nishi 609 
	add_data(&buffer, "	padding-top: 7px;\n");
610 
	add_data(&buffer, "}\n");
11 nishi 611 
	add_data(&buffer, "th,td {\n");
612 
	add_data(&buffer, "	padding: 2px;\n");
613 
	add_data(&buffer, "}\n");
1 nishi 614 
	add_data(&buffer, "body {\n");
615 
	add_data(&buffer, "	background-color: #1F4677;\n");
616 
	add_data(&buffer, "	width: 940px;\n");
617 
	add_data(&buffer, "	margin: 5px auto;\n");
618 
	add_data(&buffer, "	font-family: sans-serif;\n");
619 
	add_data(&buffer, "}\n");
620 
	add_data(&buffer, "#nav {\n");
621 
	add_data(&buffer, "	background-color: white;\n");
6 nishi 622 
	add_data(&buffer, "	background-image: url('");
623 
	add_data(&buffer, INSTANCE_NAVBAR);
624 
	add_data(&buffer, "');\n");
1 nishi 625 
	add_data(&buffer, "	height: 44px;\n");
626 
	add_data(&buffer, "	padding: 8px;\n");
627 
	add_data(&buffer, "	padding-left: 32px;\n");
628 
	add_data(&buffer, "	font-size: 22px;\n");
629 
	add_data(&buffer, "	font-weight: bold;\n");
630 
	add_data(&buffer, "}\n");
11 nishi 631 
	add_data(&buffer, "pre {\n");
632 
	add_data(&buffer, "	background-color: #dddddd;\n");
633 
	add_data(&buffer, "	border: solid 2px #bbbbbb;\n");
12 nishi 634 
	add_data(&buffer, "	padding: 8px;\n");
635 
	add_data(&buffer, "	overflow: scroll;\n");
11 nishi 636 
	add_data(&buffer, "}\n");
1 nishi 637 
	add_data(&buffer, "#index {\n");
638 
	add_data(&buffer, "	list-style: none;\n");
639 
	add_data(&buffer, "	line-height: normal;\n");
640 
	add_data(&buffer, "	margin: auto 0;\n");
641 
	add_data(&buffer, "	padding-left: 0;\n");
642 
	add_data(&buffer, "}\n");
643 
	add_data(&buffer, "#desc {\n");
644 
	add_data(&buffer, "	background-color: #D2E1F6;\n");
645 
	add_data(&buffer, "	margin: 9px auto;\n");
646 
	add_data(&buffer, "	height: 128px;\n");
647 
	add_data(&buffer, "	padding: 24px;\n");
648 
	add_data(&buffer, "}\n");
649 
	add_data(&buffer, "#descinside {\n");
650 
	add_data(&buffer, "	float: left;\n");
11 nishi 651 
	add_data(&buffer, "	width: 700px;\n");
652 
	add_data(&buffer, "	overflow-y: scroll;\n");
653 
	add_data(&buffer, "	max-height: 128px;\n");
1 nishi 654 
	add_data(&buffer, "}\n");
655 
	add_data(&buffer, "#logo {\n");
656 
	add_data(&buffer, "	float: right;\n");
657 
	add_data(&buffer, "}\n");
658 
	add_data(&buffer, "#content {\n");
659 
	add_data(&buffer, "	background-color: #FFFFFF;\n");
660 
	add_data(&buffer, "	margin: -10px auto;\n");
661 
	add_data(&buffer, "	padding: 8px 24px 24px;\n");
662 
	add_data(&buffer, "}\n");
663 
	add_data(&buffer, "#pageindex {\n");
664 
	add_data(&buffer, "	background-color: #FFFFFF;\n");
665 
	add_data(&buffer, "	padding-right: 24px;\n");
666 
	add_data(&buffer, "	padding-bottom: 24px;\n");
667 
	add_data(&buffer, "	float: left;\n");
668 
	add_data(&buffer, "	border-right: 4px #1F4677 solid;\n");
669 
	add_data(&buffer, "	width: 150px;\n");
670 
	add_data(&buffer, "}\n");
671 
	add_data(&buffer, "#pagecontent {\n");
672 
	add_data(&buffer, "	background-color: #FFFFFF;\n");
673 
	add_data(&buffer, "	width: 670px;\n");
674 
	add_data(&buffer, "	float: right;\n");
675 
	add_data(&buffer, "	padding-left: 24px;\n");
676 
	add_data(&buffer, "}\n");
677 
	add_data(&buffer, "#footer {\n");
678 
	add_data(&buffer, "	background-color: #D2E1F6;\n");
679 
	add_data(&buffer, "	padding: 8px 8px 48px;\n");
680 
	add_data(&buffer, "	margin: 8px auto;\n");
681 
	add_data(&buffer, "	font-size: 15px;\n");
682 
	add_data(&buffer, "	height: 32px;\n");
683 
	add_data(&buffer, "}\n");
684 
	add_data(&buffer, ".fixfloat {\n");
685 
	add_data(&buffer, "	clear: both;\n");
686 
	add_data(&buffer, "}\n");
687 
	add_data(&buffer, "#copyright {\n");
688 
	add_data(&buffer, "	float: right;\n");
689 
	add_data(&buffer, "	font-size: 10px;\n");
690 
	add_data(&buffer, "	margin-top: 16px;\n");
691 
	add_data(&buffer, "}\n");
692 
	add_data(&buffer, "#gotop {\n");
693 
	add_data(&buffer, "	position: absolute;\n");
694 
	add_data(&buffer, "}\n");
695 
	add_data(&buffer, "h2, h3 {\n");
696 
	add_data(&buffer, "	padding-top: 8px;\n");
697 
	add_data(&buffer, "	padding-bottom: 8px;\n");
698 
	add_data(&buffer, "}\n");
699 
	add_data(&buffer, "img {\n");
700 
	add_data(&buffer, "	border: none;\n");
701 
	add_data(&buffer, "}\n");
702 
	add_data(&buffer, "		</style>\n");
703 
	add_data(&buffer, "	</head>\n");
704 
	add_data(&buffer, "	<body>\n");
705 
	add_data(&buffer, "		<div id=\"nav\">\n");
706 
	add_data(&buffer, "			<div>\n");
707 
	add_data(&buffer, "				<a href=\"");
708 
	add_data(&buffer, INSTANCE_ROOT);
709 
	add_data(&buffer, "/\">Home</a>\n");
710 
	add_data(&buffer, "			</div>\n");
5 nishi 711 
	if(user == NULL) {
712 
		add_data(&buffer, "			<div>\n");
713 
		add_data(&buffer, "				<a href=\"");
714 
		add_data(&buffer, INSTANCE_ROOT);
715 
		add_data(&buffer, "/?page=login\">Login</a>\n");
716 
		add_data(&buffer, "			</div>\n");
13 nishi 717 
#ifdef ALLOW_SIGNUP
718 
		add_data(&buffer, "			<div>\n");
719 
		add_data(&buffer, "				<a href=\"");
720 
		add_data(&buffer, INSTANCE_ROOT);
721 
		add_data(&buffer, "/?page=signup\">Signup</a>\n");
722 
		add_data(&buffer, "			</div>\n");
723 
#endif
7 nishi 724 
	} else {
725 
		add_data(&buffer, "			<div>\n");
726 
		add_data(&buffer, "				<a href=\"");
727 
		add_data(&buffer, INSTANCE_ROOT);
9 nishi 728 
		add_data(&buffer, "/?page=mypage\">My Page</a>\n");
729 
		add_data(&buffer, "			</div>\n");
730 
 
731 
		add_data(&buffer, "			<div>\n");
732 
		add_data(&buffer, "				<a href=\"");
733 
		add_data(&buffer, INSTANCE_ROOT);
734 
		add_data(&buffer, "/?page=myrepo\">My Repositories</a>\n");
735 
		add_data(&buffer, "			</div>\n");
736 
 
737 
		add_data(&buffer, "			<div>\n");
738 
		add_data(&buffer, "				<a href=\"");
739 
		add_data(&buffer, INSTANCE_ROOT);
7 nishi 740 
		add_data(&buffer, "/?page=logout\">Logout</a>\n");
741 
		add_data(&buffer, "			</div>\n");
5 nishi 742 
	}
6 nishi 743 
	if(user != NULL) {
744 
		add_data(&buffer, "<div style=\"float: right;font-size: 10px;padding-top: 36px;padding-right: 0;font-style: italic;\">You have logged in as <a href=\"");
745 
		add_data(&buffer, INSTANCE_ROOT);
746 
		add_data(&buffer, "/?page=mypage\">");
747 
		add_data(&buffer, user);
748 
		add_data(&buffer, "</a></div>");
749 
	}
1 nishi 750 
	add_data(&buffer, "		</div>\n");
751 
	add_data(&buffer, "		<div id=\"desc\">\n");
752 
	add_data(&buffer, "			<div id=\"descinside\">\n");
753 
	add_data(&buffer, "				<h1>");
754 
	add_data(&buffer, title);
755 
	add_data(&buffer, "</h1>\n");
756 
	add_data(&buffer, "				<p>\n");
757 
	add_data(&buffer, desc);
758 
	add_data(&buffer, "				</p>\n");
759 
	add_data(&buffer, "			</div>\n");
760 
	add_data(&buffer, "			<img id=\"logo\" src=\"");
761 
	add_data(&buffer, INSTANCE_LOGO);
762 
	add_data(&buffer, "\" height=\"128px\" alt=\"logo\">\n");
763 
	add_data(&buffer, "		</div>\n");
764 
	add_data(&buffer, "		<div id=\"content\">\n");
765 
	add_data(&buffer, "			<div id=\"pageindex\">\n");
766 
	add_data(&buffer, "				<h3>Page Menu</h3>\n");
767 
	add_data(&buffer, "				<ul>\n");
10 nishi 768 
	add_data(&buffer, nav);
1 nishi 769 
	add_data(&buffer, "				</ul>\n");
770 
	add_data(&buffer, "			</div>\n");
771 
	add_data(&buffer, "			<div id=\"pagecontent\">\n");
772 
	add_data(&buffer, page);
773 
	add_data(&buffer, "			</div>\n");
11 nishi 774 
	add_data(&buffer, "			<div class=\"fixfloat\"></div>\n");
1 nishi 775 
	add_data(&buffer, "		</div>\n");
776 
	add_data(&buffer, "		<div id=\"footer\">\n");
777 
	add_data(&buffer, "			<div id=\"gotop\">\n");
778 
	add_data(&buffer, "				<a href=\"#top\">Top</a>\n");
779 
	add_data(&buffer, "			</div>\n");
780 
	add_data(&buffer, "			<div id=\"copyright\">\n");
781 
	add_data(&buffer, "				");
782 
	escaped = escape(INSTANCE_ADMIN);
783 
	add_data(&buffer, escaped);
784 
	free(escaped);
785 
	add_data(&buffer, "\n");
786 
	add_data(&buffer, "			</div>\n");
787 
	add_data(&buffer, "			<div class=\"fixfloat\"></div>\n");
788 
	add_data(&buffer, "		</div>\n");
789 
	add_data(&buffer, "	</body>\n");
790 
	add_data(&buffer, "</html>\n");
5 nishi 791 
	if(user != NULL) free(user);
1 nishi 792 
}