Annotation of parser3/src/classes/file.C, revision 1.109
1.17 paf 1: /** @file
2: Parser: @b file parser class.
3:
1.107 paf 4: Copyright (c) 2001, 2003 ArtLebedev Group (http://www.artlebedev.com)
1.72 paf 5: Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru)
1.91 paf 6: */
1.17 paf 7:
1.109 ! paf 8: static const char* IDENT_FILE_C="$Date: 2003/03/21 07:19:42 $";
1.47 parser 9:
10: #include "pa_config_includes.h"
11:
12: #include "pcre.h"
1.1 paf 13:
1.35 paf 14: #include "classes.h"
1.1 paf 15: #include "pa_request.h"
16: #include "pa_vfile.h"
1.11 paf 17: #include "pa_table.h"
1.21 paf 18: #include "pa_vint.h"
1.24 paf 19: #include "pa_exec.h"
1.40 parser 20: #include "pa_vdate.h"
1.47 parser 21: #include "pa_dir.h"
22: #include "pa_vtable.h"
1.67 paf 23: #include "pa_charset.h"
1.109 ! paf 24: #include "pa_charsets.h"
1.1 paf 25:
1.32 paf 26: // defines
27:
1.48 parser 28: #define TEXT_MODE_NAME "text"
1.90 paf 29: #define STDIN_EXEC_PARAM_NAME "stdin"
1.109 ! paf 30: #define CHARSET_EXEC_PARAM_NAME "charset"
1.48 parser 31:
1.83 paf 32: // consts
33:
34: /// from apache-1.3|src|support|suexec.c
35: static const char *suexec_safe_env_lst[]={
36: "AUTH_TYPE",
37: "CONTENT_LENGTH",
38: "CONTENT_TYPE",
39: "DATE_GMT",
40: "DATE_LOCAL",
41: "DOCUMENT_NAME",
42: "DOCUMENT_PATH_INFO",
43: "DOCUMENT_ROOT",
44: "DOCUMENT_URI",
45: "FILEPATH_INFO",
46: "GATEWAY_INTERFACE",
47: "LAST_MODIFIED",
48: "PATH_INFO",
49: "PATH_TRANSLATED",
50: "QUERY_STRING",
51: "QUERY_STRING_UNESCAPED",
52: "REMOTE_ADDR",
53: "REMOTE_HOST",
54: "REMOTE_IDENT",
55: "REMOTE_PORT",
56: "REMOTE_USER",
57: "REDIRECT_QUERY_STRING",
58: "REDIRECT_STATUS",
59: "REDIRECT_URL",
60: "REQUEST_METHOD",
61: "REQUEST_URI",
62: "SCRIPT_FILENAME",
63: "SCRIPT_NAME",
64: "SCRIPT_URI",
65: "SCRIPT_URL",
66: "SERVER_ADMIN",
67: "SERVER_NAME",
68: "SERVER_ADDR",
69: "SERVER_PORT",
70: "SERVER_PROTOCOL",
71: "SERVER_SOFTWARE",
72: "UNIQUE_ID",
73: "USER_NAME",
74: "TZ",
75: NULL
76: };
77:
1.32 paf 78: // class
79:
80: class MFile : public Methoded {
81: public: // VStateless_class
82:
83: Value *create_new_value(Pool& pool) { return new(pool) VFile(pool); }
84:
1.33 paf 85: public: // Methoded
86: bool used_directly() { return true; }
87:
1.32 paf 88: public:
89: MFile(Pool& pool);
1.33 paf 90:
1.32 paf 91: };
92:
1.1 paf 93: // methods
94:
1.26 paf 95: static void _save(Request& r, const String&, MethodParams *params) {
1.48 parser 96: Value& vmode_name=params-> as_no_junction(0, "mode must not be code");
1.49 parser 97: Value& vfile_name=params->as_no_junction(1, "file name must not be code");
1.4 paf 98:
1.7 paf 99: // save
1.99 paf 100: static_cast<VFile *>(r.get_self())->save(r.absolute(vfile_name.as_string()),
1.48 parser 101: vmode_name.as_string()==TEXT_MODE_NAME);
1.7 paf 102: }
103:
1.26 paf 104: static void _delete(Request& r, const String&, MethodParams *params) {
1.39 parser 105: Value& vfile_name=params->as_no_junction(0, "file name must not be code");
1.7 paf 106:
107: // unlink
1.68 paf 108: file_delete(r.absolute(vfile_name.as_string()));
1.1 paf 109: }
110:
1.45 parser 111: static void _move(Request& r, const String&, MethodParams *params) {
112: Value& vfrom_file_name=params->as_no_junction(0, "from file name must not be code");
113: Value& vto_file_name=params->as_no_junction(1, "to file name must not be code");
114:
1.51 parser 115: // move
1.68 paf 116: file_move(
1.45 parser 117: r.absolute(vfrom_file_name.as_string()),
118: r.absolute(vto_file_name.as_string()));
119: }
120:
1.105 paf 121: static void _load_pass_param(const Hash::Key& key, Hash::Val *value, void *info) {
122: Hash& dest=*static_cast<Hash *>(info);
123: dest.put(key, value);
124: }
1.26 paf 125: static void _load(Request& r, const String& method_name, MethodParams *params) {
1.9 paf 126: Pool& pool=r.pool();
1.48 parser 127: Value& vmode_name=params-> as_no_junction(0, "mode must not be code");
1.95 paf 128: const String& lfile_name=r.absolute(params->as_no_junction(1, "file name must not be code").as_string());
1.104 paf 129: Value *third_param=params->size()>2?¶ms->as_no_junction(2, "filename or options must not be code"):0;
130: Hash *third_param_hash=third_param?third_param->get_hash(&method_name):0;
131: int alt_filename_param_index=2;
132: if(third_param_hash)
133: alt_filename_param_index++;
1.9 paf 134:
1.12 paf 135: void *data; size_t size;
1.104 paf 136: Hash *fields=0;
1.95 paf 137: file_read(pool, lfile_name, data, size,
1.104 paf 138: vmode_name.as_string()==TEXT_MODE_NAME,
139: third_param_hash,
140: &fields
141: );
1.9 paf 142:
1.104 paf 143: char *user_file_name=params->size()>alt_filename_param_index?
144: params->as_string(alt_filename_param_index, "filename must be string").cstr(String::UL_FILE_SPEC)
1.53 parser 145: :lfile_name.cstr(String::UL_FILE_SPEC);
1.104 paf 146:
147: Value *vcontent_type=0;
148: if(fields)
149: vcontent_type=static_cast<Value *>(fields->get(*content_type_name));
150: if(!vcontent_type)
151: vcontent_type=new(pool) VString(r.mime_type_of(user_file_name));
1.10 paf 152:
1.104 paf 153: VFile& self=*static_cast<VFile *>(r.get_self());
154: self.set(true/*tainted*/, data, size, user_file_name, vcontent_type);
1.105 paf 155: if(fields)
156: fields->for_each(_load_pass_param, &self.fields());
1.9 paf 157: }
158:
1.26 paf 159: static void _stat(Request& r, const String& method_name, MethodParams *params) {
1.25 paf 160: Pool& pool=r.pool();
1.39 parser 161: Value& vfile_name=params->as_no_junction(0, "file name must not be code");
1.25 paf 162:
163: const String& lfile_name=vfile_name.as_string();
164:
1.40 parser 165: size_t size;
166: time_t atime, mtime, ctime;
167: file_stat(r.absolute(lfile_name),
168: size,
169: atime, mtime, ctime);
1.25 paf 170:
1.99 paf 171: VFile& vfile=*static_cast<VFile *>(r.get_self());
1.40 parser 172: vfile.set(true/*tainted*/, 0/*no bytes*/, size);
173: Hash& ff=vfile.fields();
174: ff.put(*new(pool) String(pool, "adate"), new(pool) VDate(pool, atime));
175: ff.put(*new(pool) String(pool, "mdate"), new(pool) VDate(pool, mtime));
176: ff.put(*new(pool) String(pool, "cdate"), new(pool) VDate(pool, ctime));
1.93 paf 177: ff.put(*content_type_name, new(pool) VString(r.mime_type_of(lfile_name.cstr(String::UL_FILE_SPEC))));
1.25 paf 178: }
179:
1.83 paf 180: static bool is_safe_env_key(const char *key) {
1.88 paf 181: if(strncasecmp(key, "HTTP_", 5)==0)
1.83 paf 182: return true;
1.87 paf 183: if(strncasecmp(key, "CGI_", 4)==0)
1.83 paf 184: return true;
185: for(int i=0; suexec_safe_env_lst[i]; i++) {
1.87 paf 186: if(strcasecmp(key, suexec_safe_env_lst[i])==0)
1.83 paf 187: return true;
188: }
189: return false;
190: }
1.90 paf 191: #ifndef DOXYGEN
192: struct Append_env_pair_info {
193: Hash* hash;
1.100 paf 194: Value* vstdin;
1.109 ! paf 195: Value* vcharset;
1.90 paf 196: };
197: #endif
1.100 paf 198: static void append_env_pair(const Hash::Key& key, Hash::Val *avalue, void *info) {
1.90 paf 199: Append_env_pair_info& pi=*static_cast<Append_env_pair_info *>(info);
1.100 paf 200: Value& value=*static_cast<Value *>(avalue);
1.90 paf 201:
202: if(key==STDIN_EXEC_PARAM_NAME) {
1.100 paf 203: pi.vstdin=&value;
1.109 ! paf 204: } else if(key==CHARSET_EXEC_PARAM_NAME) {
! 205: pi.vcharset=&value;
1.90 paf 206: } else {
207: if(!is_safe_env_key(key.cstr()))
208: throw Exception("parser.runtime",
209: &key,
210: "not safe environment variable");
1.100 paf 211: pi.hash->put(key, &value.as_string());
1.90 paf 212: }
1.22 paf 213: }
1.94 paf 214: #ifndef DOXYGEN
215: struct Pass_cgi_header_attribute_info {
216: Hash *hash;
217: Value *content_type;
218: };
219: #endif
220: static void pass_cgi_header_attribute(Array::Item *value, void *ainfo) {
1.29 paf 221: String& string=*static_cast<String *>(value);
1.94 paf 222: Pool& pool=string.pool();
223: Pass_cgi_header_attribute_info& info=*static_cast<Pass_cgi_header_attribute_info *>(ainfo);
1.29 paf 224: int colon_pos=string.pos(":", 1);
1.94 paf 225: if(colon_pos>0) {
226: const String& key=string.mid(0, colon_pos).change_case(pool, String::CC_UPPER);
227: Value *value=new(pool) VString(string.mid(colon_pos+1, string.size()));
228: info.hash->put(key, value);
229: if(key=="CONTENT-TYPE")
230: info.content_type=value;
231: }
1.29 paf 232: }
1.90 paf 233: /// @todo fix `` in perl - they produced flipping consoles and no output to perl
1.41 parser 234: static void _exec_cgi(Request& r, const String& method_name, MethodParams *params,
235: bool cgi) {
1.21 paf 236: Pool& pool=r.pool();
237:
1.39 parser 238: Value& vfile_name=params->as_no_junction(0, "file name must not be code");
1.21 paf 239:
1.23 paf 240: const String& script_name=r.absolute(vfile_name.as_string());
241:
242: Hash env(pool);
1.62 paf 243: #define ECSTR(name, value_cstr) \
244: String name##key(pool, #name); \
245: String name##value(pool); \
246: if(value_cstr) { \
247: name##value.APPEND_CONST(value_cstr); \
248: env.put(name##key, &name##value); \
1.23 paf 249: }
1.82 paf 250: // passing SAPI::environment
251: if(const char *const *pairs=SAPI::environment(pool)) {
252: while(const char *pair=*pairs++)
253: if(const char *eq_at=strchr(pair, '=')) {
254: String& key=*new(pool) String(pool, pair, eq_at-pair);
255: String& value=*new(pool) String(pool, eq_at+1);
256: env.put(key, &value);
257: }
258: }
259:
1.23 paf 260: // const
1.63 paf 261: ECSTR(GATEWAY_INTERFACE, "CGI/1.1");
1.23 paf 262: // from Request.info
1.62 paf 263: ECSTR(DOCUMENT_ROOT, r.info.document_root);
264: ECSTR(PATH_TRANSLATED, r.info.path_translated);
1.66 paf 265: ECSTR(REQUEST_METHOD, r.info.method);
1.62 paf 266: ECSTR(QUERY_STRING, r.info.query_string);
267: ECSTR(REQUEST_URI, r.info.uri);
268: ECSTR(CONTENT_TYPE, r.info.content_type);
1.23 paf 269: char content_length_cstr[MAX_NUMBER];
270: snprintf(content_length_cstr, MAX_NUMBER, "%u", r.info.content_length);
271: String content_length(pool, content_length_cstr);
1.62 paf 272: ECSTR(CONTENT_LENGTH, content_length_cstr);
1.82 paf 273: // SCRIPT_*
1.63 paf 274: env.put(*new(pool) String(pool, "SCRIPT_NAME"), &script_name);
1.82 paf 275: //env.put(*new(pool) String(pool, "SCRIPT_FILENAME"), ??&script_name);
1.23 paf 276:
1.90 paf 277: // environment & stdin from param
1.109 ! paf 278: String raw_in(pool);
! 279: Charset *charset=0; // default script works raw_in 'source' charset = no transcoding needed
1.21 paf 280: if(params->size()>1) {
1.39 parser 281: Value& venv=params->as_no_junction(1, "env must not be code");
1.90 paf 282: if(Hash *user_env=venv.get_hash(&method_name)) {
283: Append_env_pair_info info={&env};
284: user_env->for_each(append_env_pair, &info);
1.109 ! paf 285: // $.stdin
1.103 paf 286: if(info.vstdin) {
287: if(const String *sstdin=info.vstdin->get_string()) {
1.109 ! paf 288: raw_in.append(*sstdin, String::UL_CLEAN, true);
1.103 paf 289: } else
1.100 paf 290: if(VFile *vfile=static_cast<VFile *>(info.vstdin->as("file", false)))
1.109 ! paf 291: raw_in.APPEND_TAINTED((const char *)vfile->value_ptr(), vfile->value_size(),
1.100 paf 292: "$.stdin[assigned]", 0);
293: else
294: throw Exception("parser.runtime",
295: &method_name,
296: STDIN_EXEC_PARAM_NAME " parameter must be string or file");
1.103 paf 297: }
1.109 ! paf 298: // $.charset
! 299: if(info.vcharset)
! 300: charset=&charsets->get_charset(info.vcharset->as_string());
1.90 paf 301: }
1.21 paf 302: }
303:
1.90 paf 304: // argv from params
1.21 paf 305: Array *argv=0;
306: if(params->size()>2) {
307: argv=new(pool) Array(pool, params->size()-2);
308: for(int i=2; i<params->size(); i++)
1.58 parser 309: *argv+=¶ms->as_string(i, "parameter must be string");
1.21 paf 310: }
1.90 paf 311:
1.109 ! paf 312: // transcode if necessary
! 313: String* real_in=&raw_in;
! 314: if(charset) {
! 315: Charset::transcode(pool, pool.get_source_charset(), *charset, env);
! 316: if(argv)
! 317: Charset::transcode(pool, pool.get_source_charset(), *charset, *argv);
! 318: real_in=&Charset::transcode(pool, pool.get_source_charset(), *charset, raw_in);
! 319: }
! 320:
1.90 paf 321: // exec!
1.109 ! paf 322: String raw_out(pool);
! 323: String& raw_err=*new(pool) String(pool);
! 324: int status=pa_exec(false/*forced_allow*/, script_name, &env, argv, *real_in, raw_out, raw_err);
! 325:
! 326: String *real_out=&raw_out;
! 327: String *real_err=&raw_err;
! 328:
! 329: // transcode if necessary
! 330: if(charset) {
! 331: real_out=&Charset::transcode(pool, *charset, pool.get_source_charset(), raw_out);
! 332: real_err=&Charset::transcode(pool, *charset, pool.get_source_charset(), raw_err);
! 333: }
! 334:
1.21 paf 335:
1.99 paf 336: VFile& self=*static_cast<VFile *>(r.get_self());
1.21 paf 337:
1.109 ! paf 338: const String *body=real_out; // ^file:exec
1.94 paf 339: Value *content_type=0;
1.98 paf 340: const char *eol_marker=0; size_t eol_marker_size;
1.94 paf 341: const String *header=0;
1.41 parser 342: if(cgi) { // ^file:cgi
343: // construct with 'out' body and header
1.109 ! paf 344: int dos_pos=real_out->pos("\r\n\r\n", 4);
! 345: int unix_pos=real_out->pos("\n\n", 2);
1.98 paf 346:
347: bool unix_header_break;
348: switch((dos_pos >= 0?10:00) + (unix_pos >= 0?01:00)) {
349: case 10: // dos
350: unix_header_break=false;
351: break;
352: case 01: // unix
353: unix_header_break=true;
354: break;
355: case 11: // dos & unix
356: unix_header_break=unix_pos<dos_pos;
357: break;
358: default: // 00
359: unix_header_break=false; // calm down, compiler
1.74 paf 360: throw Exception(0,
1.41 parser 361: &method_name,
1.90 paf 362: "output does not contain CGI header; "
363: "exit status=%d; stdoutsize=%u; stdout: \"%s\"; stderrsize=%u; stderr: \"%s\"",
1.46 parser 364: status,
1.109 ! paf 365: (uint)real_out->size(), real_out->cstr(),
! 366: (uint)real_err->size(), real_err->cstr());
1.98 paf 367: break; //never reached
368: }
369:
370: int header_break_pos;
371: if(unix_header_break) {
372: header_break_pos=unix_pos;
373: eol_marker="\n"; eol_marker_size=1;
374: } else {
375: header_break_pos=dos_pos;
376: eol_marker="\r\n"; eol_marker_size=2;
1.41 parser 377: }
1.21 paf 378:
1.109 ! paf 379: header=&real_out->mid(0, header_break_pos);
! 380: body=&real_out->mid(header_break_pos+eol_marker_size*2, real_out->size());
1.29 paf 381: }
1.41 parser 382: // body
1.64 paf 383: self.set(false/*not tainted*/, body->cstr(), body->size());
1.94 paf 384:
385: // $fields << header
1.98 paf 386: if(header && eol_marker) {
1.94 paf 387: Array rows(pool);
388: header->split(rows, 0, eol_marker, eol_marker_size);
389: Pass_cgi_header_attribute_info info={&self.fields()};
390: rows.for_each(pass_cgi_header_attribute, &info);
391: if(info.content_type)
392: self.fields().put(*content_type_name, info.content_type);
393: }
1.21 paf 394:
1.42 parser 395: // $status
1.21 paf 396: self.fields().put(
1.104 paf 397: *file_status_name,
1.42 parser 398: new(pool) VInt(pool, status));
1.21 paf 399:
400: // $stderr
1.109 ! paf 401: if(real_err->size()) {
1.21 paf 402: self.fields().put(
403: *new(pool) String(pool, "stderr"),
1.109 ! paf 404: new(pool) VString(*real_err));
1.21 paf 405: }
406: }
1.41 parser 407: static void _exec(Request& r, const String& method_name, MethodParams *params) {
408: _exec_cgi(r, method_name, params, false);
409: }
410: static void _cgi(Request& r, const String& method_name, MethodParams *params) {
411: _exec_cgi(r, method_name, params, true);
412: }
413:
1.47 parser 414: static void _list(Request& r, const String& method_name, MethodParams *params) {
415: Pool& pool=r.pool();
416:
417: Value& relative_path=params->as_no_junction(0, "path must not be code");
418:
419: const String *regexp;
420: pcre *regexp_code;
1.81 paf 421: const int ovecsize=(1/*match*/)*3;
422: int ovector[ovecsize];
1.47 parser 423: if(params->size()>1) {
424: regexp=¶ms->as_no_junction(1, "regexp must not be code").as_string();
425:
1.64 paf 426: const char *pattern=regexp->cstr();
1.47 parser 427: const char *errptr;
428: int erroffset;
429: regexp_code=pcre_compile(pattern, PCRE_EXTRA | PCRE_DOTALL,
430: &errptr, &erroffset,
1.67 paf 431: pool.get_client_charset().pcre_tables);
1.47 parser 432:
433: if(!regexp_code)
1.74 paf 434: throw Exception(0,
1.47 parser 435: ®exp->mid(erroffset, regexp->size()),
436: "regular expression syntax error - %s", errptr);
437: } else
438: regexp_code=0;
439:
440:
441: const char* absolute_path_cstr=r.absolute(relative_path.as_string())
1.53 parser 442: .cstr(String::UL_FILE_SPEC);
1.47 parser 443:
444: Array& columns=*new(pool) Array(pool);
445: columns+=new(pool) String(pool, "name");
446: Table& table=*new(pool) Table(pool, &method_name, &columns);
447:
448: LOAD_DIR(absolute_path_cstr,
449: size_t file_name_size=strlen(ffblk.ff_name);
450: bool suits=true;
451: if(regexp_code) {
452: int exec_result=pcre_exec(regexp_code, 0,
453: ffblk.ff_name, file_name_size, 0,
454: 0, ovector, ovecsize);
455:
456: if(exec_result==PCRE_ERROR_NOMATCH)
457: suits=false;
458: else if(exec_result<0) {
459: (*pcre_free)(regexp_code);
1.74 paf 460: throw Exception(0,
1.47 parser 461: regexp,
462: "regular expression execute (%d)",
463: exec_result);
464: }
465: }
466:
467: if(suits) {
1.50 parser 468: char *file_name_cstr=(char *)pool.malloc(file_name_size);
1.47 parser 469: memcpy(file_name_cstr, ffblk.ff_name, file_name_size);
470: String &file_name=*new(pool) String(pool);
1.101 paf 471: file_name.APPEND_TAINTED(file_name_cstr, file_name_size,
1.47 parser 472: method_name.origin().file, method_name.origin().line);
473:
474: Array& row=*new(pool) Array(pool);
475: row+=&file_name;
476: table+=&row;
477: }
478: );
479:
480: if(regexp_code)
481: (*pcre_free)(regexp_code);
482:
1.60 parser 483: // write out result
1.47 parser 484: VTable& result=*new(pool) VTable(pool, &table);
485: r.write_no_lang(result);
486: }
1.21 paf 487:
1.69 paf 488: #ifndef DOXYGEN
489: struct Lock_execute_body_info {
490: Request *r;
491: Value *body_code;
492: };
493: #endif
494: static void lock_execute_body(int , void *context) {
495: Lock_execute_body_info& info=*static_cast<Lock_execute_body_info *>(context);
496:
497: // execute body
1.78 paf 498: info.r->write_assign_lang(info.r->process(*info.body_code));
1.69 paf 499: };
500: static void _lock(Request& r, const String& method_name, MethodParams *params) {
501: const String& file_spec=r.absolute(params->as_string(0, "file name must be string"));
502: Value& body_code=params->as_junction(1, "body must be code");
503:
504: Lock_execute_body_info info={&r, &body_code};
1.70 paf 505: file_write_action_under_lock(file_spec, "lock", lock_execute_body, &info);
1.69 paf 506: }
507:
1.89 paf 508: static int lastposafter(const String& s, int after, const char *substr, size_t substr_size, bool beforelast=false) {
509: size_t size;
510: if(beforelast)
511: size=s.size();
512: int at;
513: while((at=s.pos(substr, substr_size, after))>=0) {
514: size_t newafter=at+substr_size/*skip substr*/;
515: if(beforelast && newafter==size)
516: break;
517: after=newafter;
518: }
519:
520: return after;
521: }
522:
1.90 paf 523: static void _find(Request& r, const String& method_name, MethodParams *params) {
524: Pool& pool=r.pool();
525: const String &file_name=params->as_no_junction(0, "file name must not be code").as_string();
526: const String *file_spec;
527: if(file_name.first_char()=='/')
528: file_spec=&file_name;
529: else
530: file_spec=&r.relative(r.info.uri, file_name);
531:
532: // easy way
533: if(file_readable(r.absolute(*file_spec))) {
1.96 paf 534: r.write_assign_lang(*file_spec);
1.90 paf 535: return;
536: }
537:
538: // monkey way
539: int after_base_slash=lastposafter(*file_spec, 0, "/", 1);
540: const String *dirname=&file_spec->mid(0, after_base_slash);
541: const String& basename=file_spec->mid(after_base_slash, file_spec->size());
542:
543: int after_monkey_slash;
544: while((after_monkey_slash=lastposafter(*dirname, 0, "/", 1, true))>0) {
545: String local_test_name(pool);
546: local_test_name<<*(dirname=&dirname->mid(0, after_monkey_slash));
547: local_test_name<<basename;
548: if(file_readable(r.absolute(local_test_name))) {
1.96 paf 549: r.write_assign_lang(*new(pool) String(local_test_name));
1.90 paf 550: return;
551: }
552: }
553:
554: // no way, not found
555: if(params->size()==2) {
556: Value& not_found_code=params->as_junction(1, "not-found param must be code");
557: r.write_pass_lang(r.process(not_found_code));
558: }
559: }
560:
1.89 paf 561: static void _dirname(Request& r, const String& method_name, MethodParams *params) {
562: Pool& pool=r.pool();
563: const String& file_spec=params->as_string(0, "file name must be string");
564: // /a/some.tar.gz > /a
565: // /a/b/ > /a
566: int afterslash=lastposafter(file_spec, 0, "/", 1, true);
567: if(afterslash>0)
568: r.write_assign_lang(file_spec.mid(0, afterslash==1?1:afterslash-1));
569: else
570: r.write_assign_lang(*new(pool) String(pool, ".", 1));
571: }
572:
573: static void _basename(Request& r, const String& method_name, MethodParams *params) {
574: const String& file_spec=params->as_string(0, "file name must be string");
575: // /a/some.tar.gz > some.tar.gz
576: int afterslash=lastposafter(file_spec, 0, "/", 1);
577: r.write_assign_lang(file_spec.mid(afterslash, file_spec.size()));
578: }
579:
580: static void _justname(Request& r, const String& method_name, MethodParams *params) {
581: const String& file_spec=params->as_string(0, "file name must be string");
582: // /a/some.tar.gz > some.tar
583: int afterslash=lastposafter(file_spec, 0, "/", 1);
584: int afterdot=lastposafter(file_spec, afterslash, ".", 1);
585: r.write_assign_lang(file_spec.mid(afterslash, afterdot!=afterslash?afterdot-1:file_spec.size()));
586: }
587: static void _justext(Request& r, const String& method_name, MethodParams *params) {
588: const String& file_spec=params->as_string(0, "file name must be string");
589: // /a/some.tar.gz > gz
590: int afterdot=lastposafter(file_spec, 0, ".", 1);
591: if(afterdot>0)
592: r.write_assign_lang(file_spec.mid(afterdot, file_spec.size()));
593: }
594:
1.102 paf 595: static void _fullpath(Request& r, const String& method_name, MethodParams *params) {
596: const String& file_spec=params->as_string(0, "file name must be string");
597: const String *result;
598: if(file_spec.first_char()=='/')
599: result=&file_spec;
600: else {
601: // /some/page.html: ^file:fullpath[a.gif] => /some/a.gif
602: const String& full_disk_path=r.absolute(file_spec);
603: size_t document_root_length=strlen(r.info.document_root);
1.106 paf 604:
605: if(document_root_length>0) {
606: char last_char=r.info.document_root[document_root_length-1];
607: if(last_char == '/' || last_char == '\\')
608: --document_root_length;
609: }
1.102 paf 610: result=&full_disk_path.mid(document_root_length, full_disk_path.size());
611: }
612: r.write_assign_lang(*result);
613: }
614:
1.89 paf 615:
1.32 paf 616: // constructor
617:
1.80 paf 618: MFile::MFile(Pool& apool) : Methoded(apool, "file") {
1.48 parser 619: // ^save[mode;file-name]
620: add_native_method("save", Method::CT_DYNAMIC, _save, 2, 2);
1.7 paf 621:
622: // ^delete[file-name]
1.32 paf 623: add_native_method("delete", Method::CT_STATIC, _delete, 1, 1);
1.45 parser 624:
625: // ^move[from-file-name;to-file-name]
626: add_native_method("move", Method::CT_STATIC, _move, 2, 2);
1.8 paf 627:
1.48 parser 628: // ^load[mode;disk-name]
629: // ^load[mode;disk-name;user-name]
630: add_native_method("load", Method::CT_DYNAMIC, _load, 2, 3);
1.25 paf 631:
632: // ^stat[disk-name]
1.32 paf 633: add_native_method("stat", Method::CT_DYNAMIC, _stat, 1, 1);
1.21 paf 634:
1.36 paf 635: // ^cgi[file-name]
636: // ^cgi[file-name;env hash]
637: // ^cgi[file-name;env hash;1cmd;2line;3ar;4g;5s]
1.41 parser 638: add_native_method("cgi", Method::CT_DYNAMIC, _cgi, 1, 2+10);
639:
640: // ^exec[file-name]
641: // ^exec[file-name;env hash]
642: // ^exec[file-name;env hash;1cmd;2line;3ar;4g;5s]
643: add_native_method("exec", Method::CT_DYNAMIC, _exec, 1, 2+10);
1.47 parser 644:
645: // ^file:list[path]
646: // ^file:list[path][regexp]
647: add_native_method("list", Method::CT_STATIC, _list, 1, 2);
1.69 paf 648:
649: // ^file:lock[path]{code}
650: add_native_method("lock", Method::CT_STATIC, _lock, 2, 2);
1.90 paf 651:
652: // ^find[file-name]
653: // ^find[file-name]{when-not-found}
654: add_native_method("find", Method::CT_STATIC, _find, 1, 2);
1.47 parser 655:
1.89 paf 656: // ^file:dirname[/a/some.tar.gz]=/a
657: // ^file:dirname[/a/b/]=/a
658: add_native_method("dirname", Method::CT_STATIC, _dirname, 1, 1);
659: // ^file:basename[/a/some.tar.gz]=some.tar.gz
660: add_native_method("basename", Method::CT_STATIC, _basename, 1, 1);
661: // ^file:justname[/a/some.tar.gz]=some.tar
662: add_native_method("justname", Method::CT_STATIC, _justname, 1, 1);
663: // ^file:justext[/a/some.tar.gz]=gz
664: add_native_method("justext", Method::CT_STATIC, _justext, 1, 1);
1.102 paf 665: // /some/page.html: ^file:fullpath[a.gif] => /some/a.gif
666: add_native_method("fullpath", Method::CT_STATIC, _fullpath, 1, 1);
1.32 paf 667: }
668:
669: // global variable
670:
671: Methoded *file_class;
672:
673: // creator
674:
675: Methoded *MFile_create(Pool& pool) {
676: return file_class=new(pool) MFile(pool);
1.1 paf 677: }
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