Annotation of parser3/src/classes/file.C, revision 1.107.2.3
1.17 paf 1: /** @file
2: Parser: @b file parser class.
3:
1.107.2.3! 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:
1.107.2.3! paf 8: static const char* IDENT_FILE_C="$Date: 2003/01/29 13:31:30 $";
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
1.107.2.3! paf 33: static const char* suexec_safe_env_lst[]={
1.83 paf 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:
1.107.2.1 paf 81: ValuePtr create_new_value() { return ValuePtr(new VFile()); }
1.32 paf 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:
1.105 paf 119: static void _load_pass_param(const Hash::Key& key, Hash::Val *value, void *info) {
120: Hash& dest=*static_cast<Hash *>(info);
121: dest.put(key, value);
122: }
1.26 paf 123: static void _load(Request& r, const String& method_name, MethodParams *params) {
1.9 paf 124: Pool& pool=r.pool();
1.48 parser 125: Value& vmode_name=params-> as_no_junction(0, "mode must not be code");
1.95 paf 126: const String& lfile_name=r.absolute(params->as_no_junction(1, "file name must not be code").as_string());
1.104 paf 127: Value *third_param=params->size()>2?¶ms->as_no_junction(2, "filename or options must not be code"):0;
128: Hash *third_param_hash=third_param?third_param->get_hash(&method_name):0;
129: int alt_filename_param_index=2;
130: if(third_param_hash)
131: alt_filename_param_index++;
1.9 paf 132:
1.12 paf 133: void *data; size_t size;
1.104 paf 134: Hash *fields=0;
1.95 paf 135: file_read(pool, lfile_name, data, size,
1.104 paf 136: vmode_name.as_string()==TEXT_MODE_NAME,
137: third_param_hash,
138: &fields
139: );
1.9 paf 140:
1.104 paf 141: char *user_file_name=params->size()>alt_filename_param_index?
1.107.2.2 paf 142: params->as_string(alt_filename_param_index, "filename must be string")
1.53 parser 143: :lfile_name.cstr(String::UL_FILE_SPEC);
1.104 paf 144:
145: Value *vcontent_type=0;
146: if(fields)
147: vcontent_type=static_cast<Value *>(fields->get(*content_type_name));
148: if(!vcontent_type)
149: vcontent_type=new(pool) VString(r.mime_type_of(user_file_name));
1.10 paf 150:
1.104 paf 151: VFile& self=*static_cast<VFile *>(r.get_self());
152: self.set(true/*tainted*/, data, size, user_file_name, vcontent_type);
1.105 paf 153: if(fields)
154: fields->for_each(_load_pass_param, &self.fields());
1.9 paf 155: }
156:
1.26 paf 157: static void _stat(Request& r, const String& method_name, MethodParams *params) {
1.25 paf 158: Pool& pool=r.pool();
1.39 parser 159: Value& vfile_name=params->as_no_junction(0, "file name must not be code");
1.25 paf 160:
161: const String& lfile_name=vfile_name.as_string();
162:
1.40 parser 163: size_t size;
164: time_t atime, mtime, ctime;
165: file_stat(r.absolute(lfile_name),
166: size,
167: atime, mtime, ctime);
1.25 paf 168:
1.99 paf 169: VFile& vfile=*static_cast<VFile *>(r.get_self());
1.40 parser 170: vfile.set(true/*tainted*/, 0/*no bytes*/, size);
171: Hash& ff=vfile.fields();
172: ff.put(*new(pool) String(pool, "adate"), new(pool) VDate(pool, atime));
173: ff.put(*new(pool) String(pool, "mdate"), new(pool) VDate(pool, mtime));
174: ff.put(*new(pool) String(pool, "cdate"), new(pool) VDate(pool, ctime));
1.93 paf 175: ff.put(*content_type_name, new(pool) VString(r.mime_type_of(lfile_name.cstr(String::UL_FILE_SPEC))));
1.25 paf 176: }
177:
1.107.2.3! paf 178: static bool is_safe_env_key(const char* key) {
1.88 paf 179: if(strncasecmp(key, "HTTP_", 5)==0)
1.83 paf 180: return true;
1.87 paf 181: if(strncasecmp(key, "CGI_", 4)==0)
1.83 paf 182: return true;
183: for(int i=0; suexec_safe_env_lst[i]; i++) {
1.87 paf 184: if(strcasecmp(key, suexec_safe_env_lst[i])==0)
1.83 paf 185: return true;
186: }
187: return false;
188: }
1.90 paf 189: #ifndef DOXYGEN
190: struct Append_env_pair_info {
191: Hash* hash;
1.100 paf 192: Value* vstdin;
1.90 paf 193: };
194: #endif
1.100 paf 195: static void append_env_pair(const Hash::Key& key, Hash::Val *avalue, void *info) {
1.90 paf 196: Append_env_pair_info& pi=*static_cast<Append_env_pair_info *>(info);
1.100 paf 197: Value& value=*static_cast<Value *>(avalue);
1.90 paf 198:
199: if(key==STDIN_EXEC_PARAM_NAME) {
1.100 paf 200: pi.vstdin=&value;
1.90 paf 201: } else {
202: if(!is_safe_env_key(key.cstr()))
203: throw Exception("parser.runtime",
204: &key,
205: "not safe environment variable");
1.100 paf 206: pi.hash->put(key, &value.as_string());
1.90 paf 207: }
1.22 paf 208: }
1.94 paf 209: #ifndef DOXYGEN
210: struct Pass_cgi_header_attribute_info {
211: Hash *hash;
212: Value *content_type;
213: };
214: #endif
215: static void pass_cgi_header_attribute(Array::Item *value, void *ainfo) {
1.29 paf 216: String& string=*static_cast<String *>(value);
1.94 paf 217: Pool& pool=string.pool();
218: Pass_cgi_header_attribute_info& info=*static_cast<Pass_cgi_header_attribute_info *>(ainfo);
1.29 paf 219: int colon_pos=string.pos(":", 1);
1.94 paf 220: if(colon_pos>0) {
221: const String& key=string.mid(0, colon_pos).change_case(pool, String::CC_UPPER);
222: Value *value=new(pool) VString(string.mid(colon_pos+1, string.size()));
223: info.hash->put(key, value);
224: if(key=="CONTENT-TYPE")
225: info.content_type=value;
226: }
1.29 paf 227: }
1.90 paf 228: /// @todo fix `` in perl - they produced flipping consoles and no output to perl
1.41 parser 229: static void _exec_cgi(Request& r, const String& method_name, MethodParams *params,
230: bool cgi) {
1.21 paf 231: Pool& pool=r.pool();
232:
1.39 parser 233: Value& vfile_name=params->as_no_junction(0, "file name must not be code");
1.21 paf 234:
1.23 paf 235: const String& script_name=r.absolute(vfile_name.as_string());
236:
237: Hash env(pool);
1.62 paf 238: #define ECSTR(name, value_cstr) \
239: String name##key(pool, #name); \
240: String name##value(pool); \
241: if(value_cstr) { \
242: name##value.APPEND_CONST(value_cstr); \
243: env.put(name##key, &name##value); \
1.23 paf 244: }
1.82 paf 245: // passing SAPI::environment
1.107.2.3! paf 246: if(const char* const *pairs=SAPI::environment(pool)) {
! 247: while(const char* pair=*pairs++)
! 248: if(const char* eq_at=strchr(pair, '=')) {
1.82 paf 249: String& key=*new(pool) String(pool, pair, eq_at-pair);
250: String& value=*new(pool) String(pool, eq_at+1);
251: env.put(key, &value);
252: }
253: }
254:
1.23 paf 255: // const
1.63 paf 256: ECSTR(GATEWAY_INTERFACE, "CGI/1.1");
1.23 paf 257: // from Request.info
1.62 paf 258: ECSTR(DOCUMENT_ROOT, r.info.document_root);
259: ECSTR(PATH_TRANSLATED, r.info.path_translated);
1.66 paf 260: ECSTR(REQUEST_METHOD, r.info.method);
1.62 paf 261: ECSTR(QUERY_STRING, r.info.query_string);
262: ECSTR(REQUEST_URI, r.info.uri);
263: ECSTR(CONTENT_TYPE, r.info.content_type);
1.23 paf 264: char content_length_cstr[MAX_NUMBER];
265: snprintf(content_length_cstr, MAX_NUMBER, "%u", r.info.content_length);
266: String content_length(pool, content_length_cstr);
1.62 paf 267: ECSTR(CONTENT_LENGTH, content_length_cstr);
1.82 paf 268: // SCRIPT_*
1.63 paf 269: env.put(*new(pool) String(pool, "SCRIPT_NAME"), &script_name);
1.82 paf 270: //env.put(*new(pool) String(pool, "SCRIPT_FILENAME"), ??&script_name);
1.23 paf 271:
1.103 paf 272: bool stdin_specified=false;
1.90 paf 273: // environment & stdin from param
274: String in(pool);
1.21 paf 275: if(params->size()>1) {
1.39 parser 276: Value& venv=params->as_no_junction(1, "env must not be code");
1.90 paf 277: if(Hash *user_env=venv.get_hash(&method_name)) {
278: Append_env_pair_info info={&env};
279: user_env->for_each(append_env_pair, &info);
1.103 paf 280: if(info.vstdin) {
281: stdin_specified=true;
282: if(const String *sstdin=info.vstdin->get_string()) {
283: in.append(*sstdin, String::UL_CLEAN, true);
284: } else
1.100 paf 285: if(VFile *vfile=static_cast<VFile *>(info.vstdin->as("file", false)))
1.107.2.3! paf 286: in.APPEND_TAINTED((const char* )vfile->value_ptr(), vfile->value_size(),
1.100 paf 287: "$.stdin[assigned]", 0);
288: else
289: throw Exception("parser.runtime",
290: &method_name,
291: STDIN_EXEC_PARAM_NAME " parameter must be string or file");
1.103 paf 292: }
1.90 paf 293: }
1.21 paf 294: }
295:
1.90 paf 296: // argv from params
1.21 paf 297: Array *argv=0;
298: if(params->size()>2) {
299: argv=new(pool) Array(pool, params->size()-2);
300: for(int i=2; i<params->size(); i++)
1.58 parser 301: *argv+=¶ms->as_string(i, "parameter must be string");
1.21 paf 302: }
303:
1.90 paf 304: // passing POST data
1.103 paf 305: if(!stdin_specified) // if $.stdin[...] not specified
1.90 paf 306: in.APPEND(r.post_data, r.post_size, String::UL_CLEAN, "POST data (passed)", 0);
307:
308: // exec!
1.21 paf 309: String out(pool);
1.27 paf 310: String& err=*new(pool) String(pool);
1.73 paf 311: int status=pa_exec(false/*forced_allow*/, script_name, &env, argv, in, out, err);
1.21 paf 312:
1.99 paf 313: VFile& self=*static_cast<VFile *>(r.get_self());
1.21 paf 314:
1.41 parser 315: const String *body=&out; // ^file:exec
1.94 paf 316: Value *content_type=0;
1.107.2.3! paf 317: const char* eol_marker=0; size_t eol_marker_size;
1.94 paf 318: const String *header=0;
1.41 parser 319: if(cgi) { // ^file:cgi
320: // construct with 'out' body and header
1.98 paf 321: int dos_pos=out.pos("\r\n\r\n", 4);
322: int unix_pos=out.pos("\n\n", 2);
323:
324: bool unix_header_break;
325: switch((dos_pos >= 0?10:00) + (unix_pos >= 0?01:00)) {
326: case 10: // dos
327: unix_header_break=false;
328: break;
329: case 01: // unix
330: unix_header_break=true;
331: break;
332: case 11: // dos & unix
333: unix_header_break=unix_pos<dos_pos;
334: break;
335: default: // 00
336: unix_header_break=false; // calm down, compiler
1.74 paf 337: throw Exception(0,
1.41 parser 338: &method_name,
1.90 paf 339: "output does not contain CGI header; "
340: "exit status=%d; stdoutsize=%u; stdout: \"%s\"; stderrsize=%u; stderr: \"%s\"",
1.46 parser 341: status,
342: (uint)out.size(), out.cstr(),
343: (uint)err.size(), err.cstr());
1.98 paf 344: break; //never reached
345: }
346:
347: int header_break_pos;
348: if(unix_header_break) {
349: header_break_pos=unix_pos;
350: eol_marker="\n"; eol_marker_size=1;
351: } else {
352: header_break_pos=dos_pos;
353: eol_marker="\r\n"; eol_marker_size=2;
1.41 parser 354: }
1.21 paf 355:
1.98 paf 356: header=&out.mid(0, header_break_pos);
357: body=&out.mid(header_break_pos+eol_marker_size*2, out.size());
1.29 paf 358: }
1.41 parser 359: // body
1.64 paf 360: self.set(false/*not tainted*/, body->cstr(), body->size());
1.94 paf 361:
362: // $fields << header
1.98 paf 363: if(header && eol_marker) {
1.94 paf 364: Array rows(pool);
365: header->split(rows, 0, eol_marker, eol_marker_size);
366: Pass_cgi_header_attribute_info info={&self.fields()};
367: rows.for_each(pass_cgi_header_attribute, &info);
368: if(info.content_type)
369: self.fields().put(*content_type_name, info.content_type);
370: }
1.21 paf 371:
1.42 parser 372: // $status
1.21 paf 373: self.fields().put(
1.104 paf 374: *file_status_name,
1.42 parser 375: new(pool) VInt(pool, status));
1.21 paf 376:
377: // $stderr
378: if(err.size()) {
379: self.fields().put(
380: *new(pool) String(pool, "stderr"),
381: new(pool) VString(err));
382: }
383: }
1.41 parser 384: static void _exec(Request& r, const String& method_name, MethodParams *params) {
385: _exec_cgi(r, method_name, params, false);
386: }
387: static void _cgi(Request& r, const String& method_name, MethodParams *params) {
388: _exec_cgi(r, method_name, params, true);
389: }
390:
1.47 parser 391: static void _list(Request& r, const String& method_name, MethodParams *params) {
392: Pool& pool=r.pool();
393:
394: Value& relative_path=params->as_no_junction(0, "path must not be code");
395:
396: const String *regexp;
397: pcre *regexp_code;
1.81 paf 398: const int ovecsize=(1/*match*/)*3;
399: int ovector[ovecsize];
1.47 parser 400: if(params->size()>1) {
401: regexp=¶ms->as_no_junction(1, "regexp must not be code").as_string();
402:
1.107.2.3! paf 403: const char* pattern=regexp->cstr();
! 404: const char* errptr;
1.47 parser 405: int erroffset;
406: regexp_code=pcre_compile(pattern, PCRE_EXTRA | PCRE_DOTALL,
407: &errptr, &erroffset,
1.67 paf 408: pool.get_client_charset().pcre_tables);
1.47 parser 409:
410: if(!regexp_code)
1.74 paf 411: throw Exception(0,
1.47 parser 412: ®exp->mid(erroffset, regexp->size()),
413: "regular expression syntax error - %s", errptr);
414: } else
415: regexp_code=0;
416:
417:
418: const char* absolute_path_cstr=r.absolute(relative_path.as_string())
1.53 parser 419: .cstr(String::UL_FILE_SPEC);
1.47 parser 420:
421: Array& columns=*new(pool) Array(pool);
422: columns+=new(pool) String(pool, "name");
423: Table& table=*new(pool) Table(pool, &method_name, &columns);
424:
425: LOAD_DIR(absolute_path_cstr,
426: size_t file_name_size=strlen(ffblk.ff_name);
427: bool suits=true;
428: if(regexp_code) {
429: int exec_result=pcre_exec(regexp_code, 0,
430: ffblk.ff_name, file_name_size, 0,
431: 0, ovector, ovecsize);
432:
433: if(exec_result==PCRE_ERROR_NOMATCH)
434: suits=false;
435: else if(exec_result<0) {
436: (*pcre_free)(regexp_code);
1.74 paf 437: throw Exception(0,
1.47 parser 438: regexp,
439: "regular expression execute (%d)",
440: exec_result);
441: }
442: }
443:
444: if(suits) {
1.50 parser 445: char *file_name_cstr=(char *)pool.malloc(file_name_size);
1.47 parser 446: memcpy(file_name_cstr, ffblk.ff_name, file_name_size);
447: String &file_name=*new(pool) String(pool);
1.101 paf 448: file_name.APPEND_TAINTED(file_name_cstr, file_name_size,
1.47 parser 449: method_name.origin().file, method_name.origin().line);
450:
451: Array& row=*new(pool) Array(pool);
452: row+=&file_name;
453: table+=&row;
454: }
455: );
456:
457: if(regexp_code)
458: (*pcre_free)(regexp_code);
459:
1.60 parser 460: // write out result
1.47 parser 461: VTable& result=*new(pool) VTable(pool, &table);
462: r.write_no_lang(result);
463: }
1.21 paf 464:
1.69 paf 465: #ifndef DOXYGEN
466: struct Lock_execute_body_info {
467: Request *r;
468: Value *body_code;
469: };
470: #endif
471: static void lock_execute_body(int , void *context) {
472: Lock_execute_body_info& info=*static_cast<Lock_execute_body_info *>(context);
473:
474: // execute body
1.78 paf 475: info.r->write_assign_lang(info.r->process(*info.body_code));
1.69 paf 476: };
477: static void _lock(Request& r, const String& method_name, MethodParams *params) {
478: const String& file_spec=r.absolute(params->as_string(0, "file name must be string"));
479: Value& body_code=params->as_junction(1, "body must be code");
480:
481: Lock_execute_body_info info={&r, &body_code};
1.70 paf 482: file_write_action_under_lock(file_spec, "lock", lock_execute_body, &info);
1.69 paf 483: }
484:
1.107.2.3! paf 485: static int lastposafter(const String& s, int after, const char* substr, size_t substr_size, bool beforelast=false) {
1.89 paf 486: size_t size;
487: if(beforelast)
488: size=s.size();
489: int at;
490: while((at=s.pos(substr, substr_size, after))>=0) {
491: size_t newafter=at+substr_size/*skip substr*/;
492: if(beforelast && newafter==size)
493: break;
494: after=newafter;
495: }
496:
497: return after;
498: }
499:
1.90 paf 500: static void _find(Request& r, const String& method_name, MethodParams *params) {
501: Pool& pool=r.pool();
502: const String &file_name=params->as_no_junction(0, "file name must not be code").as_string();
503: const String *file_spec;
504: if(file_name.first_char()=='/')
505: file_spec=&file_name;
506: else
507: file_spec=&r.relative(r.info.uri, file_name);
508:
509: // easy way
510: if(file_readable(r.absolute(*file_spec))) {
1.96 paf 511: r.write_assign_lang(*file_spec);
1.90 paf 512: return;
513: }
514:
515: // monkey way
516: int after_base_slash=lastposafter(*file_spec, 0, "/", 1);
517: const String *dirname=&file_spec->mid(0, after_base_slash);
518: const String& basename=file_spec->mid(after_base_slash, file_spec->size());
519:
520: int after_monkey_slash;
521: while((after_monkey_slash=lastposafter(*dirname, 0, "/", 1, true))>0) {
522: String local_test_name(pool);
523: local_test_name<<*(dirname=&dirname->mid(0, after_monkey_slash));
524: local_test_name<<basename;
525: if(file_readable(r.absolute(local_test_name))) {
1.96 paf 526: r.write_assign_lang(*new(pool) String(local_test_name));
1.90 paf 527: return;
528: }
529: }
530:
531: // no way, not found
532: if(params->size()==2) {
533: Value& not_found_code=params->as_junction(1, "not-found param must be code");
534: r.write_pass_lang(r.process(not_found_code));
535: }
536: }
537:
1.89 paf 538: static void _dirname(Request& r, const String& method_name, MethodParams *params) {
539: Pool& pool=r.pool();
540: const String& file_spec=params->as_string(0, "file name must be string");
541: // /a/some.tar.gz > /a
542: // /a/b/ > /a
543: int afterslash=lastposafter(file_spec, 0, "/", 1, true);
544: if(afterslash>0)
545: r.write_assign_lang(file_spec.mid(0, afterslash==1?1:afterslash-1));
546: else
547: r.write_assign_lang(*new(pool) String(pool, ".", 1));
548: }
549:
550: static void _basename(Request& r, const String& method_name, MethodParams *params) {
551: const String& file_spec=params->as_string(0, "file name must be string");
552: // /a/some.tar.gz > some.tar.gz
553: int afterslash=lastposafter(file_spec, 0, "/", 1);
554: r.write_assign_lang(file_spec.mid(afterslash, file_spec.size()));
555: }
556:
557: static void _justname(Request& r, const String& method_name, MethodParams *params) {
558: const String& file_spec=params->as_string(0, "file name must be string");
559: // /a/some.tar.gz > some.tar
560: int afterslash=lastposafter(file_spec, 0, "/", 1);
561: int afterdot=lastposafter(file_spec, afterslash, ".", 1);
562: r.write_assign_lang(file_spec.mid(afterslash, afterdot!=afterslash?afterdot-1:file_spec.size()));
563: }
564: static void _justext(Request& r, const String& method_name, MethodParams *params) {
565: const String& file_spec=params->as_string(0, "file name must be string");
566: // /a/some.tar.gz > gz
567: int afterdot=lastposafter(file_spec, 0, ".", 1);
568: if(afterdot>0)
569: r.write_assign_lang(file_spec.mid(afterdot, file_spec.size()));
570: }
571:
1.102 paf 572: static void _fullpath(Request& r, const String& method_name, MethodParams *params) {
573: const String& file_spec=params->as_string(0, "file name must be string");
574: const String *result;
575: if(file_spec.first_char()=='/')
576: result=&file_spec;
577: else {
578: // /some/page.html: ^file:fullpath[a.gif] => /some/a.gif
579: const String& full_disk_path=r.absolute(file_spec);
580: size_t document_root_length=strlen(r.info.document_root);
1.106 paf 581:
582: if(document_root_length>0) {
583: char last_char=r.info.document_root[document_root_length-1];
584: if(last_char == '/' || last_char == '\\')
585: --document_root_length;
586: }
1.102 paf 587: result=&full_disk_path.mid(document_root_length, full_disk_path.size());
588: }
589: r.write_assign_lang(*result);
590: }
591:
1.89 paf 592:
1.32 paf 593: // constructor
594:
1.80 paf 595: MFile::MFile(Pool& apool) : Methoded(apool, "file") {
1.48 parser 596: // ^save[mode;file-name]
597: add_native_method("save", Method::CT_DYNAMIC, _save, 2, 2);
1.7 paf 598:
599: // ^delete[file-name]
1.32 paf 600: add_native_method("delete", Method::CT_STATIC, _delete, 1, 1);
1.45 parser 601:
602: // ^move[from-file-name;to-file-name]
603: add_native_method("move", Method::CT_STATIC, _move, 2, 2);
1.8 paf 604:
1.48 parser 605: // ^load[mode;disk-name]
606: // ^load[mode;disk-name;user-name]
607: add_native_method("load", Method::CT_DYNAMIC, _load, 2, 3);
1.25 paf 608:
609: // ^stat[disk-name]
1.32 paf 610: add_native_method("stat", Method::CT_DYNAMIC, _stat, 1, 1);
1.21 paf 611:
1.36 paf 612: // ^cgi[file-name]
613: // ^cgi[file-name;env hash]
614: // ^cgi[file-name;env hash;1cmd;2line;3ar;4g;5s]
1.41 parser 615: add_native_method("cgi", Method::CT_DYNAMIC, _cgi, 1, 2+10);
616:
617: // ^exec[file-name]
618: // ^exec[file-name;env hash]
619: // ^exec[file-name;env hash;1cmd;2line;3ar;4g;5s]
620: add_native_method("exec", Method::CT_DYNAMIC, _exec, 1, 2+10);
1.47 parser 621:
622: // ^file:list[path]
623: // ^file:list[path][regexp]
624: add_native_method("list", Method::CT_STATIC, _list, 1, 2);
1.69 paf 625:
626: // ^file:lock[path]{code}
627: add_native_method("lock", Method::CT_STATIC, _lock, 2, 2);
1.90 paf 628:
629: // ^find[file-name]
630: // ^find[file-name]{when-not-found}
631: add_native_method("find", Method::CT_STATIC, _find, 1, 2);
1.47 parser 632:
1.89 paf 633: // ^file:dirname[/a/some.tar.gz]=/a
634: // ^file:dirname[/a/b/]=/a
635: add_native_method("dirname", Method::CT_STATIC, _dirname, 1, 1);
636: // ^file:basename[/a/some.tar.gz]=some.tar.gz
637: add_native_method("basename", Method::CT_STATIC, _basename, 1, 1);
638: // ^file:justname[/a/some.tar.gz]=some.tar
639: add_native_method("justname", Method::CT_STATIC, _justname, 1, 1);
640: // ^file:justext[/a/some.tar.gz]=gz
641: add_native_method("justext", Method::CT_STATIC, _justext, 1, 1);
1.102 paf 642: // /some/page.html: ^file:fullpath[a.gif] => /some/a.gif
643: add_native_method("fullpath", Method::CT_STATIC, _fullpath, 1, 1);
1.32 paf 644: }
645:
646: // global variable
647:
648: Methoded *file_class;
649:
650: // creator
651:
652: Methoded *MFile_create(Pool& pool) {
653: return file_class=new(pool) MFile(pool);
1.1 paf 654: }
E-mail:
![[BACK]](/cvsweb/icons/back.gif){kind=icon}
Return to file.C CVS log ![[TXT]](/cvsweb/icons/text.gif){kind=icon}
![[DIR]](/cvsweb/icons/dir.gif){kind=icon}
Up to [parser3project] / parser3 / src / classes