1 #include <err.h> 2 #include <limits.h> 3 #include <stdio.h> 4 #include <stdlib.h> 5 #include <string.h> 6 #include <time.h> 7 #include <unistd.h> 8 9 #include <git2.h> 10 11 /* #define LAST_COMMIT_DATE_FORMAT "%Y-%m-%d %H:%M" */ 12 #define LAST_COMMIT_DATE_FORMAT "%d %b %Y" 13 14 static git_repository *repo; 15 16 static const char *relpath = ""; 17 18 static char description[255] = "Martin Klöckner's Git Repositories"; 19 static char *name = ""; 20 static char owner[255]; 21 22 /* Handle read or write errors for a FILE * stream */ 23 void 24 checkfileerror(FILE *fp, const char *name, int mode) 25 { 26 if (mode == 'r' && ferror(fp)) 27 errx(1, "read error: %s", name); 28 else if (mode == 'w' && (fflush(fp) || ferror(fp))) 29 errx(1, "write error: %s", name); 30 } 31 32 void 33 joinpath(char *buf, size_t bufsiz, const char *path, const char *path2) 34 { 35 int r; 36 37 r = snprintf(buf, bufsiz, "%s%s%s", 38 path, path[0] && path[strlen(path) - 1] != '/' ? "/" : "", path2); 39 if (r < 0 || (size_t)r >= bufsiz) 40 errx(1, "path truncated: '%s%s%s'", 41 path, path[0] && path[strlen(path) - 1] != '/' ? "/" : "", path2); 42 } 43 44 /* Percent-encode, see RFC3986 section 2.1. */ 45 void 46 percentencode(FILE *fp, const char *s, size_t len) 47 { 48 static char tab[] = "0123456789ABCDEF"; 49 unsigned char uc; 50 size_t i; 51 52 for (i = 0; *s && i < len; s++, i++) { 53 uc = *s; 54 /* NOTE: do not encode '/' for paths or ",-." */ 55 if (uc < ',' || uc >= 127 || (uc >= ':' && uc <= '@') || 56 uc == '[' || uc == ']') { 57 putc('%', fp); 58 putc(tab[(uc >> 4) & 0x0f], fp); 59 putc(tab[uc & 0x0f], fp); 60 } else { 61 putc(uc, fp); 62 } 63 } 64 } 65 66 /* Escape characters below as HTML 2.0 / XML 1.0. */ 67 void 68 xmlencode(FILE *fp, const char *s, size_t len) 69 { 70 size_t i; 71 72 for (i = 0; *s && i < len; s++, i++) { 73 switch(*s) { 74 case '<': fputs("<", fp); break; 75 case '>': fputs(">", fp); break; 76 case '\'': fputs("'" , fp); break; 77 case '&': fputs("&", fp); break; 78 case '"': fputs(""", fp); break; 79 default: putc(*s, fp); 80 } 81 } 82 } 83 84 void 85 printtimeshort(FILE *fp, const git_time *intime) 86 { 87 struct tm *intm; 88 time_t t; 89 char out[32]; 90 91 t = (time_t)intime->time; 92 if (!(intm = gmtime(&t))) 93 return; 94 strftime(out, sizeof(out), LAST_COMMIT_DATE_FORMAT, intm); 95 fputs(out, fp); 96 } 97 98 void 99 writeheader(FILE *fp) 100 { 101 fputs("<!DOCTYPE html>\n" 102 "<html>\n<head>\n" 103 "<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\" />\n" 104 "<meta name=\"viewport\" content=\"width=device-width, initial-scale=1\" />\n" 105 "<title>", fp); 106 xmlencode(fp, description, strlen(description)); 107 fprintf(fp, "</title>\n<link rel=\"icon\" type=\"image/png\" href=\"%sfavicon.png\" />\n", relpath); 108 fprintf(fp, "<link rel=\"stylesheet\" type=\"text/css\" href=\"%sstyle.css\" />\n", relpath); 109 fputs("</head>\n<body>\n", fp); 110 fprintf(fp, "<table id=\"main-header-table\">\n<tr><td id=\"main-header-logo\"><img src=\"%slogo.png\" alt=\"\" width=\"64\" height=\"64\" /></td>\n" 111 "<td id=\"main-header\"><h1 id=\"main-name\">", relpath); 112 xmlencode(fp, description, strlen(description)); 113 fputs("</h1>\n" 114 "<span class=\"main-desc\"><a href=\"https://kloeckner.com.ar/\">https://kloeckner.com.ar</a></span>" 115 "</td></tr>\n</table>\n<div id=\"content\">\n" 116 "<table id=\"index\"><thead id=\"legends\">\n" 117 "<tr><td id=\"name\"><b>Name</b></td><td id=\"description\"><b>Description</b></td><td id=\"owner\"><b>Owner</b></td>" 118 "<td id=\"last-commit\"><b>Last commit</b></td></tr>" 119 "</thead><tbody>\n", fp); 120 } 121 122 void 123 writefooter(FILE *fp) 124 { 125 /* fputs("</tbody>\n</table>\n</div>\n</body>\n</html>\n", fp); */ 126 fputs("</tbody>\n</table>\n</div>\n</body>", fp); 127 fputs("<footer>Generated with <a href=\"https://git.kloeckner.com.ar/stagit/\">Stagit</a></footer>\n", fp); 128 fputs("</html>\n", fp); 129 } 130 131 int 132 writelog(FILE *fp) 133 { 134 git_commit *commit = NULL; 135 const git_signature *author; 136 git_revwalk *w = NULL; 137 git_oid id; 138 char *stripped_name = NULL, *p; 139 int ret = 0; 140 141 git_revwalk_new(&w, repo); 142 git_revwalk_push_head(w); 143 144 if (git_revwalk_next(&id, w) || 145 git_commit_lookup(&commit, repo, &id)) { 146 ret = -1; 147 goto err; 148 } 149 150 author = git_commit_author(commit); 151 152 /* strip .git suffix */ 153 if (!(stripped_name = strdup(name))) 154 err(1, "strdup"); 155 if ((p = strrchr(stripped_name, '.'))) 156 if (!strcmp(p, ".git")) 157 *p = '\0'; 158 159 /* fputs("<tr style=\"cursor: pointer; cursor: hand;\" onclick=\"\ window.location='/",fp); */ 160 /* percentencode(fp, stripped_name, strlen(stripped_name)); */ 161 /* fputs("';\"><td id=\"name\"><a href=\"", fp); */ 162 163 /* fputs("<tr><td id=\"name\"><a href=\"",fp); */ 164 /* percentencode(fp, stripped_name, strlen(stripped_name)); */ 165 /* fputs("/files.html\">", fp); */ 166 /* xmlencode(fp, stripped_name, strlen(stripped_name)); */ 167 /* fputs("</a></td>", fp); */ 168 169 fputs("<tr id=\"entry\" onclick=\"window.location='/",fp); 170 percentencode(fp, stripped_name, strlen(stripped_name)); 171 fputs("';\">", fp); 172 173 fputs("<td id=\"name\"><a href=\"",fp); 174 percentencode(fp, stripped_name, strlen(stripped_name)); 175 fputs("/files.html\">", fp); 176 xmlencode(fp, stripped_name, strlen(stripped_name)); 177 fputs("</a></td>", fp); 178 179 fputs("<td id=\"description\"><a href=\"", fp); 180 percentencode(fp, stripped_name, strlen(stripped_name)); 181 fputs("/files.html\">", fp); 182 xmlencode(fp, description, strlen(description)); 183 fputs("</a></td>", fp); 184 185 fputs("<td id=\"owner\"><a href=\"", fp); 186 percentencode(fp, stripped_name, strlen(stripped_name)); 187 fputs("/files.html\">", fp); 188 xmlencode(fp, owner, strlen(owner)); 189 fputs("</a></td>", fp); 190 191 fputs("<td id=\"last-commit\"><a href=\"", fp); 192 percentencode(fp, stripped_name, strlen(stripped_name)); 193 fputs("/files.html\">", fp); 194 195 if (author) 196 printtimeshort(fp, &(author->when)); 197 fputs("</a></td></tr>", fp); 198 199 git_commit_free(commit); 200 err: 201 git_revwalk_free(w); 202 free(stripped_name); 203 204 return ret; 205 } 206 207 int 208 main(int argc, char *argv[]) 209 { 210 FILE *fp; 211 char path[PATH_MAX], repodirabs[PATH_MAX + 1]; 212 const char *repodir; 213 int i, ret = 0; 214 215 if (argc < 2) { 216 fprintf(stderr, "usage: %s [repodir...]\n", argv[0]); 217 return 1; 218 } 219 220 /* do not search outside the git repository: 221 GIT_CONFIG_LEVEL_APP is the highest level currently */ 222 git_libgit2_init(); 223 for (i = 1; i <= GIT_CONFIG_LEVEL_APP; i++) 224 git_libgit2_opts(GIT_OPT_SET_SEARCH_PATH, i, ""); 225 /* do not require the git repository to be owned by the current user */ 226 git_libgit2_opts(GIT_OPT_SET_OWNER_VALIDATION, 0); 227 228 #ifdef __OpenBSD__ 229 if (pledge("stdio rpath", NULL) == -1) 230 err(1, "pledge"); 231 #endif 232 233 writeheader(stdout); 234 235 for (i = 1; i < argc; i++) { 236 repodir = argv[i]; 237 if (!realpath(repodir, repodirabs)) 238 err(1, "realpath"); 239 240 if (git_repository_open_ext(&repo, repodir, 241 GIT_REPOSITORY_OPEN_NO_SEARCH, NULL)) { 242 fprintf(stderr, "%s: cannot open repository\n", argv[0]); 243 ret = 1; 244 continue; 245 } 246 247 /* use directory name as name */ 248 if ((name = strrchr(repodirabs, '/'))) 249 name++; 250 else 251 name = ""; 252 253 /* read description or .git/description */ 254 joinpath(path, sizeof(path), repodir, "description"); 255 if (!(fp = fopen(path, "r"))) { 256 joinpath(path, sizeof(path), repodir, ".git/description"); 257 fp = fopen(path, "r"); 258 } 259 description[0] = '\0'; 260 if (fp) { 261 if (!fgets(description, sizeof(description), fp)) 262 description[0] = '\0'; 263 checkfileerror(fp, "description", 'r'); 264 fclose(fp); 265 } 266 267 /* read owner or .git/owner */ 268 joinpath(path, sizeof(path), repodir, "owner"); 269 if (!(fp = fopen(path, "r"))) { 270 joinpath(path, sizeof(path), repodir, ".git/owner"); 271 fp = fopen(path, "r"); 272 } 273 owner[0] = '\0'; 274 if (fp) { 275 if (!fgets(owner, sizeof(owner), fp)) 276 owner[0] = '\0'; 277 checkfileerror(fp, "owner", 'r'); 278 fclose(fp); 279 owner[strcspn(owner, "\n")] = '\0'; 280 } 281 writelog(stdout); 282 } 283 writefooter(stdout); 284 285 /* cleanup */ 286 git_repository_free(repo); 287 git_libgit2_shutdown(); 288 289 checkfileerror(stdout, "<stdout>", 'w'); 290 291 return ret; 292 }
