Annotation of parser3/src/classes/file.C, revision 1.104
1.17 paf 1: /** @file
2: Parser: @b file parser class.
3:
1.71 paf 4: Copyright (c) 2001, 2002 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:
1.104 ! paf 8: static const char* IDENT_FILE_C="$Date: 2002/11/20 10:01:01 $";
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"
1.1 paf 24:
1.32 paf 25: // defines
26:
1.48 parser 27: #define TEXT_MODE_NAME "text"
1.90 paf 28: #define STDIN_EXEC_PARAM_NAME "stdin"
1.48 parser 29:
1.83 paf 30: // consts
31:
32: /// from apache-1.3|src|support|suexec.c
33: static const char *suexec_safe_env_lst[]={
34: "AUTH_TYPE",
35: "CONTENT_LENGTH",
36: "CONTENT_TYPE",
37: "DATE_GMT",
38: "DATE_LOCAL",
39: "DOCUMENT_NAME",
40: "DOCUMENT_PATH_INFO",
41: "DOCUMENT_ROOT",
42: "DOCUMENT_URI",
43: "FILEPATH_INFO",
44: "GATEWAY_INTERFACE",
45: "LAST_MODIFIED",
46: "PATH_INFO",
47: "PATH_TRANSLATED",
48: "QUERY_STRING",
49: "QUERY_STRING_UNESCAPED",
50: "REMOTE_ADDR",
51: "REMOTE_HOST",
52: "REMOTE_IDENT",
53: "REMOTE_PORT",
54: "REMOTE_USER",
55: "REDIRECT_QUERY_STRING",
56: "REDIRECT_STATUS",
57: "REDIRECT_URL",
58: "REQUEST_METHOD",
59: "REQUEST_URI",
60: "SCRIPT_FILENAME",
61: "SCRIPT_NAME",
62: "SCRIPT_URI",
63: "SCRIPT_URL",
64: "SERVER_ADMIN",
65: "SERVER_NAME",
66: "SERVER_ADDR",
67: "SERVER_PORT",
68: "SERVER_PROTOCOL",
69: "SERVER_SOFTWARE",
70: "UNIQUE_ID",
71: "USER_NAME",
72: "TZ",
73: NULL
74: };
75:
1.32 paf 76: // class
77:
78: class MFile : public Methoded {
79: public: // VStateless_class
80:
81: Value *create_new_value(Pool& pool) { return new(pool) VFile(pool); }
82:
1.33 paf 83: public: // Methoded
84: bool used_directly() { return true; }
85:
1.32 paf 86: public:
87: MFile(Pool& pool);
1.33 paf 88:
1.32 paf 89: };
90:
1.1 paf 91: // methods
92:
1.26 paf 93: static void _save(Request& r, const String&, MethodParams *params) {
1.48 parser 94: Value& vmode_name=params-> as_no_junction(0, "mode must not be code");
1.49 parser 95: Value& vfile_name=params->as_no_junction(1, "file name must not be code");
1.4 paf 96:
1.7 paf 97: // save
1.99 paf 98: static_cast<VFile *>(r.get_self())->save(r.absolute(vfile_name.as_string()),
1.48 parser 99: vmode_name.as_string()==TEXT_MODE_NAME);
1.7 paf 100: }
101:
1.26 paf 102: static void _delete(Request& r, const String&, MethodParams *params) {
1.39 parser 103: Value& vfile_name=params->as_no_junction(0, "file name must not be code");
1.7 paf 104:
105: // unlink
1.68 paf 106: file_delete(r.absolute(vfile_name.as_string()));
1.1 paf 107: }
108:
1.45 parser 109: static void _move(Request& r, const String&, MethodParams *params) {
110: Value& vfrom_file_name=params->as_no_junction(0, "from file name must not be code");
111: Value& vto_file_name=params->as_no_junction(1, "to file name must not be code");
112:
1.51 parser 113: // move
1.68 paf 114: file_move(
1.45 parser 115: r.absolute(vfrom_file_name.as_string()),
116: r.absolute(vto_file_name.as_string()));
117: }
118:
1.26 paf 119: static void _load(Request& r, const String& method_name, MethodParams *params) {
1.9 paf 120: Pool& pool=r.pool();
1.48 parser 121: Value& vmode_name=params-> as_no_junction(0, "mode must not be code");
1.95 paf 122: const String& lfile_name=r.absolute(params->as_no_junction(1, "file name must not be code").as_string());
1.104 ! paf 123: Value *third_param=params->size()>2?¶ms->as_no_junction(2, "filename or options must not be code"):0;
! 124: Hash *third_param_hash=third_param?third_param->get_hash(&method_name):0;
! 125: int alt_filename_param_index=2;
! 126: if(third_param_hash)
! 127: alt_filename_param_index++;
1.9 paf 128:
1.12 paf 129: void *data; size_t size;
1.104 ! paf 130: Hash *fields=0;
1.95 paf 131: file_read(pool, lfile_name, data, size,
1.104 ! paf 132: vmode_name.as_string()==TEXT_MODE_NAME,
! 133: third_param_hash,
! 134: &fields
! 135: );
1.9 paf 136:
1.104 ! paf 137: char *user_file_name=params->size()>alt_filename_param_index?
! 138: params->as_string(alt_filename_param_index, "filename must be string").cstr(String::UL_FILE_SPEC)
1.53 parser 139: :lfile_name.cstr(String::UL_FILE_SPEC);
1.104 ! paf 140:
! 141: Value *vcontent_type=0;
! 142: if(fields)
! 143: vcontent_type=static_cast<Value *>(fields->get(*content_type_name));
! 144: if(!vcontent_type)
! 145: vcontent_type=new(pool) VString(r.mime_type_of(user_file_name));
1.10 paf 146:
1.104 ! paf 147: VFile& self=*static_cast<VFile *>(r.get_self());
! 148: self.set(true/*tainted*/, data, size, user_file_name, vcontent_type);
1.9 paf 149: }
150:
1.26 paf 151: static void _stat(Request& r, const String& method_name, MethodParams *params) {
1.25 paf 152: Pool& pool=r.pool();
1.39 parser 153: Value& vfile_name=params->as_no_junction(0, "file name must not be code");
1.25 paf 154:
155: const String& lfile_name=vfile_name.as_string();
156:
1.40 parser 157: size_t size;
158: time_t atime, mtime, ctime;
159: file_stat(r.absolute(lfile_name),
160: size,
161: atime, mtime, ctime);
1.25 paf 162:
1.99 paf 163: VFile& vfile=*static_cast<VFile *>(r.get_self());
1.40 parser 164: vfile.set(true/*tainted*/, 0/*no bytes*/, size);
165: Hash& ff=vfile.fields();
166: ff.put(*new(pool) String(pool, "adate"), new(pool) VDate(pool, atime));
167: ff.put(*new(pool) String(pool, "mdate"), new(pool) VDate(pool, mtime));
168: ff.put(*new(pool) String(pool, "cdate"), new(pool) VDate(pool, ctime));
1.93 paf 169: ff.put(*content_type_name, new(pool) VString(r.mime_type_of(lfile_name.cstr(String::UL_FILE_SPEC))));
1.25 paf 170: }
171:
1.83 paf 172: static bool is_safe_env_key(const char *key) {
1.88 paf 173: if(strncasecmp(key, "HTTP_", 5)==0)
1.83 paf 174: return true;
1.87 paf 175: if(strncasecmp(key, "CGI_", 4)==0)
1.83 paf 176: return true;
177: for(int i=0; suexec_safe_env_lst[i]; i++) {
1.87 paf 178: if(strcasecmp(key, suexec_safe_env_lst[i])==0)
1.83 paf 179: return true;
180: }
181: return false;
182: }
1.90 paf 183: #ifndef DOXYGEN
184: struct Append_env_pair_info {
185: Hash* hash;
1.100 paf 186: Value* vstdin;
1.90 paf 187: };
188: #endif
1.100 paf 189: static void append_env_pair(const Hash::Key& key, Hash::Val *avalue, void *info) {
1.90 paf 190: Append_env_pair_info& pi=*static_cast<Append_env_pair_info *>(info);
1.100 paf 191: Value& value=*static_cast<Value *>(avalue);
1.90 paf 192:
193: if(key==STDIN_EXEC_PARAM_NAME) {
1.100 paf 194: pi.vstdin=&value;
1.90 paf 195: } else {
196: if(!is_safe_env_key(key.cstr()))
197: throw Exception("parser.runtime",
198: &key,
199: "not safe environment variable");
1.100 paf 200: pi.hash->put(key, &value.as_string());
1.90 paf 201: }
1.22 paf 202: }
1.94 paf 203: #ifndef DOXYGEN
204: struct Pass_cgi_header_attribute_info {
205: Hash *hash;
206: Value *content_type;
207: };
208: #endif
209: static void pass_cgi_header_attribute(Array::Item *value, void *ainfo) {
1.29 paf 210: String& string=*static_cast<String *>(value);
1.94 paf 211: Pool& pool=string.pool();
212: Pass_cgi_header_attribute_info& info=*static_cast<Pass_cgi_header_attribute_info *>(ainfo);
1.29 paf 213: int colon_pos=string.pos(":", 1);
1.94 paf 214: if(colon_pos>0) {
215: const String& key=string.mid(0, colon_pos).change_case(pool, String::CC_UPPER);
216: Value *value=new(pool) VString(string.mid(colon_pos+1, string.size()));
217: info.hash->put(key, value);
218: if(key=="CONTENT-TYPE")
219: info.content_type=value;
220: }
1.29 paf 221: }
1.90 paf 222: /// @todo fix `` in perl - they produced flipping consoles and no output to perl
1.41 parser 223: static void _exec_cgi(Request& r, const String& method_name, MethodParams *params,
224: bool cgi) {
1.21 paf 225: Pool& pool=r.pool();
226:
1.39 parser 227: Value& vfile_name=params->as_no_junction(0, "file name must not be code");
1.21 paf 228:
1.23 paf 229: const String& script_name=r.absolute(vfile_name.as_string());
230:
231: Hash env(pool);
1.62 paf 232: #define ECSTR(name, value_cstr) \
233: String name##key(pool, #name); \
234: String name##value(pool); \
235: if(value_cstr) { \
236: name##value.APPEND_CONST(value_cstr); \
237: env.put(name##key, &name##value); \
1.23 paf 238: }
1.82 paf 239: // passing SAPI::environment
240: if(const char *const *pairs=SAPI::environment(pool)) {
241: while(const char *pair=*pairs++)
242: if(const char *eq_at=strchr(pair, '=')) {
243: String& key=*new(pool) String(pool, pair, eq_at-pair);
244: String& value=*new(pool) String(pool, eq_at+1);
245: env.put(key, &value);
246: }
247: }
248:
1.23 paf 249: // const
1.63 paf 250: ECSTR(GATEWAY_INTERFACE, "CGI/1.1");
1.23 paf 251: // from Request.info
1.62 paf 252: ECSTR(DOCUMENT_ROOT, r.info.document_root);
253: ECSTR(PATH_TRANSLATED, r.info.path_translated);
1.66 paf 254: ECSTR(REQUEST_METHOD, r.info.method);
1.62 paf 255: ECSTR(QUERY_STRING, r.info.query_string);
256: ECSTR(REQUEST_URI, r.info.uri);
257: ECSTR(CONTENT_TYPE, r.info.content_type);
1.23 paf 258: char content_length_cstr[MAX_NUMBER];
259: snprintf(content_length_cstr, MAX_NUMBER, "%u", r.info.content_length);
260: String content_length(pool, content_length_cstr);
1.62 paf 261: ECSTR(CONTENT_LENGTH, content_length_cstr);
1.82 paf 262: // SCRIPT_*
1.63 paf 263: env.put(*new(pool) String(pool, "SCRIPT_NAME"), &script_name);
1.82 paf 264: //env.put(*new(pool) String(pool, "SCRIPT_FILENAME"), ??&script_name);
1.23 paf 265:
1.103 paf 266: bool stdin_specified=false;
1.90 paf 267: // environment & stdin from param
268: String in(pool);
1.21 paf 269: if(params->size()>1) {
1.39 parser 270: Value& venv=params->as_no_junction(1, "env must not be code");
1.90 paf 271: if(Hash *user_env=venv.get_hash(&method_name)) {
272: Append_env_pair_info info={&env};
273: user_env->for_each(append_env_pair, &info);
1.103 paf 274: if(info.vstdin) {
275: stdin_specified=true;
276: if(const String *sstdin=info.vstdin->get_string()) {
277: in.append(*sstdin, String::UL_CLEAN, true);
278: } else
1.100 paf 279: if(VFile *vfile=static_cast<VFile *>(info.vstdin->as("file", false)))
280: in.APPEND_TAINTED((const char *)vfile->value_ptr(), vfile->value_size(),
281: "$.stdin[assigned]", 0);
282: else
283: throw Exception("parser.runtime",
284: &method_name,
285: STDIN_EXEC_PARAM_NAME " parameter must be string or file");
1.103 paf 286: }
1.90 paf 287: }
1.21 paf 288: }
289:
1.90 paf 290: // argv from params
1.21 paf 291: Array *argv=0;
292: if(params->size()>2) {
293: argv=new(pool) Array(pool, params->size()-2);
294: for(int i=2; i<params->size(); i++)
1.58 parser 295: *argv+=¶ms->as_string(i, "parameter must be string");
1.21 paf 296: }
297:
1.90 paf 298: // passing POST data
1.103 paf 299: if(!stdin_specified) // if $.stdin[...] not specified
1.90 paf 300: in.APPEND(r.post_data, r.post_size, String::UL_CLEAN, "POST data (passed)", 0);
301:
302: // exec!
1.21 paf 303: String out(pool);
1.27 paf 304: String& err=*new(pool) String(pool);
1.73 paf 305: int status=pa_exec(false/*forced_allow*/, script_name, &env, argv, in, out, err);
1.21 paf 306:
1.99 paf 307: VFile& self=*static_cast<VFile *>(r.get_self());
1.21 paf 308:
1.41 parser 309: const String *body=&out; // ^file:exec
1.94 paf 310: Value *content_type=0;
1.98 paf 311: const char *eol_marker=0; size_t eol_marker_size;
1.94 paf 312: const String *header=0;
1.41 parser 313: if(cgi) { // ^file:cgi
314: // construct with 'out' body and header
1.98 paf 315: int dos_pos=out.pos("\r\n\r\n", 4);
316: int unix_pos=out.pos("\n\n", 2);
317:
318: bool unix_header_break;
319: switch((dos_pos >= 0?10:00) + (unix_pos >= 0?01:00)) {
320: case 10: // dos
321: unix_header_break=false;
322: break;
323: case 01: // unix
324: unix_header_break=true;
325: break;
326: case 11: // dos & unix
327: unix_header_break=unix_pos<dos_pos;
328: break;
329: default: // 00
330: unix_header_break=false; // calm down, compiler
1.74 paf 331: throw Exception(0,
1.41 parser 332: &method_name,
1.90 paf 333: "output does not contain CGI header; "
334: "exit status=%d; stdoutsize=%u; stdout: \"%s\"; stderrsize=%u; stderr: \"%s\"",
1.46 parser 335: status,
336: (uint)out.size(), out.cstr(),
337: (uint)err.size(), err.cstr());
1.98 paf 338: break; //never reached
339: }
340:
341: int header_break_pos;
342: if(unix_header_break) {
343: header_break_pos=unix_pos;
344: eol_marker="\n"; eol_marker_size=1;
345: } else {
346: header_break_pos=dos_pos;
347: eol_marker="\r\n"; eol_marker_size=2;
1.41 parser 348: }
1.21 paf 349:
1.98 paf 350: header=&out.mid(0, header_break_pos);
351: body=&out.mid(header_break_pos+eol_marker_size*2, out.size());
1.29 paf 352: }
1.41 parser 353: // body
1.64 paf 354: self.set(false/*not tainted*/, body->cstr(), body->size());
1.94 paf 355:
356: // $fields << header
1.98 paf 357: if(header && eol_marker) {
1.94 paf 358: Array rows(pool);
359: header->split(rows, 0, eol_marker, eol_marker_size);
360: Pass_cgi_header_attribute_info info={&self.fields()};
361: rows.for_each(pass_cgi_header_attribute, &info);
362: if(info.content_type)
363: self.fields().put(*content_type_name, info.content_type);
364: }
1.21 paf 365:
1.42 parser 366: // $status
1.21 paf 367: self.fields().put(
1.104 ! paf 368: *file_status_name,
1.42 parser 369: new(pool) VInt(pool, status));
1.21 paf 370:
371: // $stderr
372: if(err.size()) {
373: self.fields().put(
374: *new(pool) String(pool, "stderr"),
375: new(pool) VString(err));
376: }
377: }
1.41 parser 378: static void _exec(Request& r, const String& method_name, MethodParams *params) {
379: _exec_cgi(r, method_name, params, false);
380: }
381: static void _cgi(Request& r, const String& method_name, MethodParams *params) {
382: _exec_cgi(r, method_name, params, true);
383: }
384:
1.47 parser 385: static void _list(Request& r, const String& method_name, MethodParams *params) {
386: Pool& pool=r.pool();
387:
388: Value& relative_path=params->as_no_junction(0, "path must not be code");
389:
390: const String *regexp;
391: pcre *regexp_code;
1.81 paf 392: const int ovecsize=(1/*match*/)*3;
393: int ovector[ovecsize];
1.47 parser 394: if(params->size()>1) {
395: regexp=¶ms->as_no_junction(1, "regexp must not be code").as_string();
396:
1.64 paf 397: const char *pattern=regexp->cstr();
1.47 parser 398: const char *errptr;
399: int erroffset;
400: regexp_code=pcre_compile(pattern, PCRE_EXTRA | PCRE_DOTALL,
401: &errptr, &erroffset,
1.67 paf 402: pool.get_client_charset().pcre_tables);
1.47 parser 403:
404: if(!regexp_code)
1.74 paf 405: throw Exception(0,
1.47 parser 406: ®exp->mid(erroffset, regexp->size()),
407: "regular expression syntax error - %s", errptr);
408: } else
409: regexp_code=0;
410:
411:
412: const char* absolute_path_cstr=r.absolute(relative_path.as_string())
1.53 parser 413: .cstr(String::UL_FILE_SPEC);
1.47 parser 414:
415: Array& columns=*new(pool) Array(pool);
416: columns+=new(pool) String(pool, "name");
417: Table& table=*new(pool) Table(pool, &method_name, &columns);
418:
419: LOAD_DIR(absolute_path_cstr,
420: size_t file_name_size=strlen(ffblk.ff_name);
421: bool suits=true;
422: if(regexp_code) {
423: int exec_result=pcre_exec(regexp_code, 0,
424: ffblk.ff_name, file_name_size, 0,
425: 0, ovector, ovecsize);
426:
427: if(exec_result==PCRE_ERROR_NOMATCH)
428: suits=false;
429: else if(exec_result<0) {
430: (*pcre_free)(regexp_code);
1.74 paf 431: throw Exception(0,
1.47 parser 432: regexp,
433: "regular expression execute (%d)",
434: exec_result);
435: }
436: }
437:
438: if(suits) {
1.50 parser 439: char *file_name_cstr=(char *)pool.malloc(file_name_size);
1.47 parser 440: memcpy(file_name_cstr, ffblk.ff_name, file_name_size);
441: String &file_name=*new(pool) String(pool);
1.101 paf 442: file_name.APPEND_TAINTED(file_name_cstr, file_name_size,
1.47 parser 443: method_name.origin().file, method_name.origin().line);
444:
445: Array& row=*new(pool) Array(pool);
446: row+=&file_name;
447: table+=&row;
448: }
449: );
450:
451: if(regexp_code)
452: (*pcre_free)(regexp_code);
453:
1.60 parser 454: // write out result
1.47 parser 455: VTable& result=*new(pool) VTable(pool, &table);
456: r.write_no_lang(result);
457: }
1.21 paf 458:
1.69 paf 459: #ifndef DOXYGEN
460: struct Lock_execute_body_info {
461: Request *r;
462: Value *body_code;
463: };
464: #endif
465: static void lock_execute_body(int , void *context) {
466: Lock_execute_body_info& info=*static_cast<Lock_execute_body_info *>(context);
467:
468: // execute body
1.78 paf 469: info.r->write_assign_lang(info.r->process(*info.body_code));
1.69 paf 470: };
471: static void _lock(Request& r, const String& method_name, MethodParams *params) {
472: const String& file_spec=r.absolute(params->as_string(0, "file name must be string"));
473: Value& body_code=params->as_junction(1, "body must be code");
474:
475: Lock_execute_body_info info={&r, &body_code};
1.70 paf 476: file_write_action_under_lock(file_spec, "lock", lock_execute_body, &info);
1.69 paf 477: }
478:
1.89 paf 479: static int lastposafter(const String& s, int after, const char *substr, size_t substr_size, bool beforelast=false) {
480: size_t size;
481: if(beforelast)
482: size=s.size();
483: int at;
484: while((at=s.pos(substr, substr_size, after))>=0) {
485: size_t newafter=at+substr_size/*skip substr*/;
486: if(beforelast && newafter==size)
487: break;
488: after=newafter;
489: }
490:
491: return after;
492: }
493:
1.90 paf 494: static void _find(Request& r, const String& method_name, MethodParams *params) {
495: Pool& pool=r.pool();
496: const String &file_name=params->as_no_junction(0, "file name must not be code").as_string();
497: const String *file_spec;
498: if(file_name.first_char()=='/')
499: file_spec=&file_name;
500: else
501: file_spec=&r.relative(r.info.uri, file_name);
502:
503: // easy way
504: if(file_readable(r.absolute(*file_spec))) {
1.96 paf 505: r.write_assign_lang(*file_spec);
1.90 paf 506: return;
507: }
508:
509: // monkey way
510: int after_base_slash=lastposafter(*file_spec, 0, "/", 1);
511: const String *dirname=&file_spec->mid(0, after_base_slash);
512: const String& basename=file_spec->mid(after_base_slash, file_spec->size());
513:
514: int after_monkey_slash;
515: while((after_monkey_slash=lastposafter(*dirname, 0, "/", 1, true))>0) {
516: String local_test_name(pool);
517: local_test_name<<*(dirname=&dirname->mid(0, after_monkey_slash));
518: local_test_name<<basename;
519: if(file_readable(r.absolute(local_test_name))) {
1.96 paf 520: r.write_assign_lang(*new(pool) String(local_test_name));
1.90 paf 521: return;
522: }
523: }
524:
525: // no way, not found
526: if(params->size()==2) {
527: Value& not_found_code=params->as_junction(1, "not-found param must be code");
528: r.write_pass_lang(r.process(not_found_code));
529: }
530: }
531:
1.89 paf 532: static void _dirname(Request& r, const String& method_name, MethodParams *params) {
533: Pool& pool=r.pool();
534: const String& file_spec=params->as_string(0, "file name must be string");
535: // /a/some.tar.gz > /a
536: // /a/b/ > /a
537: int afterslash=lastposafter(file_spec, 0, "/", 1, true);
538: if(afterslash>0)
539: r.write_assign_lang(file_spec.mid(0, afterslash==1?1:afterslash-1));
540: else
541: r.write_assign_lang(*new(pool) String(pool, ".", 1));
542: }
543:
544: static void _basename(Request& r, const String& method_name, MethodParams *params) {
545: const String& file_spec=params->as_string(0, "file name must be string");
546: // /a/some.tar.gz > some.tar.gz
547: int afterslash=lastposafter(file_spec, 0, "/", 1);
548: r.write_assign_lang(file_spec.mid(afterslash, file_spec.size()));
549: }
550:
551: static void _justname(Request& r, const String& method_name, MethodParams *params) {
552: const String& file_spec=params->as_string(0, "file name must be string");
553: // /a/some.tar.gz > some.tar
554: int afterslash=lastposafter(file_spec, 0, "/", 1);
555: int afterdot=lastposafter(file_spec, afterslash, ".", 1);
556: r.write_assign_lang(file_spec.mid(afterslash, afterdot!=afterslash?afterdot-1:file_spec.size()));
557: }
558: static void _justext(Request& r, const String& method_name, MethodParams *params) {
559: const String& file_spec=params->as_string(0, "file name must be string");
560: // /a/some.tar.gz > gz
561: int afterdot=lastposafter(file_spec, 0, ".", 1);
562: if(afterdot>0)
563: r.write_assign_lang(file_spec.mid(afterdot, file_spec.size()));
564: }
565:
1.102 paf 566: static void _fullpath(Request& r, const String& method_name, MethodParams *params) {
567: const String& file_spec=params->as_string(0, "file name must be string");
568: const String *result;
569: if(file_spec.first_char()=='/')
570: result=&file_spec;
571: else {
572: // /some/page.html: ^file:fullpath[a.gif] => /some/a.gif
573: const String& full_disk_path=r.absolute(file_spec);
574: size_t document_root_length=strlen(r.info.document_root);
575: if(document_root_length>0)
576: --document_root_length;
577: result=&full_disk_path.mid(document_root_length, full_disk_path.size());
578: }
579: r.write_assign_lang(*result);
580: }
581:
1.89 paf 582:
1.32 paf 583: // constructor
584:
1.80 paf 585: MFile::MFile(Pool& apool) : Methoded(apool, "file") {
1.48 parser 586: // ^save[mode;file-name]
587: add_native_method("save", Method::CT_DYNAMIC, _save, 2, 2);
1.7 paf 588:
589: // ^delete[file-name]
1.32 paf 590: add_native_method("delete", Method::CT_STATIC, _delete, 1, 1);
1.45 parser 591:
592: // ^move[from-file-name;to-file-name]
593: add_native_method("move", Method::CT_STATIC, _move, 2, 2);
1.8 paf 594:
1.48 parser 595: // ^load[mode;disk-name]
596: // ^load[mode;disk-name;user-name]
597: add_native_method("load", Method::CT_DYNAMIC, _load, 2, 3);
1.25 paf 598:
599: // ^stat[disk-name]
1.32 paf 600: add_native_method("stat", Method::CT_DYNAMIC, _stat, 1, 1);
1.21 paf 601:
1.36 paf 602: // ^cgi[file-name]
603: // ^cgi[file-name;env hash]
604: // ^cgi[file-name;env hash;1cmd;2line;3ar;4g;5s]
1.41 parser 605: add_native_method("cgi", Method::CT_DYNAMIC, _cgi, 1, 2+10);
606:
607: // ^exec[file-name]
608: // ^exec[file-name;env hash]
609: // ^exec[file-name;env hash;1cmd;2line;3ar;4g;5s]
610: add_native_method("exec", Method::CT_DYNAMIC, _exec, 1, 2+10);
1.47 parser 611:
612: // ^file:list[path]
613: // ^file:list[path][regexp]
614: add_native_method("list", Method::CT_STATIC, _list, 1, 2);
1.69 paf 615:
616: // ^file:lock[path]{code}
617: add_native_method("lock", Method::CT_STATIC, _lock, 2, 2);
1.90 paf 618:
619: // ^find[file-name]
620: // ^find[file-name]{when-not-found}
621: add_native_method("find", Method::CT_STATIC, _find, 1, 2);
1.47 parser 622:
1.89 paf 623: // ^file:dirname[/a/some.tar.gz]=/a
624: // ^file:dirname[/a/b/]=/a
625: add_native_method("dirname", Method::CT_STATIC, _dirname, 1, 1);
626: // ^file:basename[/a/some.tar.gz]=some.tar.gz
627: add_native_method("basename", Method::CT_STATIC, _basename, 1, 1);
628: // ^file:justname[/a/some.tar.gz]=some.tar
629: add_native_method("justname", Method::CT_STATIC, _justname, 1, 1);
630: // ^file:justext[/a/some.tar.gz]=gz
631: add_native_method("justext", Method::CT_STATIC, _justext, 1, 1);
1.102 paf 632: // /some/page.html: ^file:fullpath[a.gif] => /some/a.gif
633: add_native_method("fullpath", Method::CT_STATIC, _fullpath, 1, 1);
1.32 paf 634: }
635:
636: // global variable
637:
638: Methoded *file_class;
639:
640: // creator
641:
642: Methoded *MFile_create(Pool& pool) {
643: return file_class=new(pool) MFile(pool);
1.1 paf 644: }
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