Annotation of parser3/src/classes/file.C, revision 1.110
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)
1.110 ! paf 6:
! 7: portions by Victor Fedoseev" <vvf_ru@mail.ru> [January 23, 2003]
1.91 paf 8: */
1.17 paf 9:
1.110 ! paf 10: static const char* IDENT_FILE_C="$Date: 2003/03/21 09:43:48 $";
1.47 parser 11:
12: #include "pa_config_includes.h"
13:
14: #include "pcre.h"
1.1 paf 15:
1.35 paf 16: #include "classes.h"
1.1 paf 17: #include "pa_request.h"
18: #include "pa_vfile.h"
1.11 paf 19: #include "pa_table.h"
1.21 paf 20: #include "pa_vint.h"
1.24 paf 21: #include "pa_exec.h"
1.40 parser 22: #include "pa_vdate.h"
1.47 parser 23: #include "pa_dir.h"
24: #include "pa_vtable.h"
1.67 paf 25: #include "pa_charset.h"
1.109 paf 26: #include "pa_charsets.h"
1.1 paf 27:
1.32 paf 28: // defines
29:
1.48 parser 30: #define TEXT_MODE_NAME "text"
1.90 paf 31: #define STDIN_EXEC_PARAM_NAME "stdin"
1.109 paf 32: #define CHARSET_EXEC_PARAM_NAME "charset"
1.48 parser 33:
1.83 paf 34: // consts
35:
36: /// from apache-1.3|src|support|suexec.c
37: static const char *suexec_safe_env_lst[]={
38: "AUTH_TYPE",
39: "CONTENT_LENGTH",
40: "CONTENT_TYPE",
41: "DATE_GMT",
42: "DATE_LOCAL",
43: "DOCUMENT_NAME",
44: "DOCUMENT_PATH_INFO",
45: "DOCUMENT_ROOT",
46: "DOCUMENT_URI",
47: "FILEPATH_INFO",
48: "GATEWAY_INTERFACE",
49: "LAST_MODIFIED",
50: "PATH_INFO",
51: "PATH_TRANSLATED",
52: "QUERY_STRING",
53: "QUERY_STRING_UNESCAPED",
54: "REMOTE_ADDR",
55: "REMOTE_HOST",
56: "REMOTE_IDENT",
57: "REMOTE_PORT",
58: "REMOTE_USER",
59: "REDIRECT_QUERY_STRING",
60: "REDIRECT_STATUS",
61: "REDIRECT_URL",
62: "REQUEST_METHOD",
63: "REQUEST_URI",
64: "SCRIPT_FILENAME",
65: "SCRIPT_NAME",
66: "SCRIPT_URI",
67: "SCRIPT_URL",
68: "SERVER_ADMIN",
69: "SERVER_NAME",
70: "SERVER_ADDR",
71: "SERVER_PORT",
72: "SERVER_PROTOCOL",
73: "SERVER_SOFTWARE",
74: "UNIQUE_ID",
75: "USER_NAME",
76: "TZ",
77: NULL
78: };
79:
1.32 paf 80: // class
81:
82: class MFile : public Methoded {
83: public: // VStateless_class
84:
85: Value *create_new_value(Pool& pool) { return new(pool) VFile(pool); }
86:
1.33 paf 87: public: // Methoded
88: bool used_directly() { return true; }
89:
1.32 paf 90: public:
91: MFile(Pool& pool);
1.33 paf 92:
1.32 paf 93: };
94:
1.1 paf 95: // methods
96:
1.26 paf 97: static void _save(Request& r, const String&, MethodParams *params) {
1.48 parser 98: Value& vmode_name=params-> as_no_junction(0, "mode must not be code");
1.49 parser 99: Value& vfile_name=params->as_no_junction(1, "file name must not be code");
1.4 paf 100:
1.7 paf 101: // save
1.99 paf 102: static_cast<VFile *>(r.get_self())->save(r.absolute(vfile_name.as_string()),
1.48 parser 103: vmode_name.as_string()==TEXT_MODE_NAME);
1.7 paf 104: }
105:
1.26 paf 106: static void _delete(Request& r, const String&, MethodParams *params) {
1.39 parser 107: Value& vfile_name=params->as_no_junction(0, "file name must not be code");
1.7 paf 108:
109: // unlink
1.68 paf 110: file_delete(r.absolute(vfile_name.as_string()));
1.1 paf 111: }
112:
1.45 parser 113: static void _move(Request& r, const String&, MethodParams *params) {
114: Value& vfrom_file_name=params->as_no_junction(0, "from file name must not be code");
115: Value& vto_file_name=params->as_no_junction(1, "to file name must not be code");
116:
1.51 parser 117: // move
1.68 paf 118: file_move(
1.45 parser 119: r.absolute(vfrom_file_name.as_string()),
120: r.absolute(vto_file_name.as_string()));
121: }
122:
1.105 paf 123: static void _load_pass_param(const Hash::Key& key, Hash::Val *value, void *info) {
124: Hash& dest=*static_cast<Hash *>(info);
125: dest.put(key, value);
126: }
1.26 paf 127: static void _load(Request& r, const String& method_name, MethodParams *params) {
1.9 paf 128: Pool& pool=r.pool();
1.48 parser 129: Value& vmode_name=params-> as_no_junction(0, "mode must not be code");
1.95 paf 130: const String& lfile_name=r.absolute(params->as_no_junction(1, "file name must not be code").as_string());
1.104 paf 131: Value *third_param=params->size()>2?¶ms->as_no_junction(2, "filename or options must not be code"):0;
132: Hash *third_param_hash=third_param?third_param->get_hash(&method_name):0;
133: int alt_filename_param_index=2;
134: if(third_param_hash)
135: alt_filename_param_index++;
1.9 paf 136:
1.12 paf 137: void *data; size_t size;
1.104 paf 138: Hash *fields=0;
1.95 paf 139: file_read(pool, lfile_name, data, size,
1.104 paf 140: vmode_name.as_string()==TEXT_MODE_NAME,
141: third_param_hash,
142: &fields
143: );
1.9 paf 144:
1.104 paf 145: char *user_file_name=params->size()>alt_filename_param_index?
146: params->as_string(alt_filename_param_index, "filename must be string").cstr(String::UL_FILE_SPEC)
1.53 parser 147: :lfile_name.cstr(String::UL_FILE_SPEC);
1.104 paf 148:
149: Value *vcontent_type=0;
150: if(fields)
151: vcontent_type=static_cast<Value *>(fields->get(*content_type_name));
152: if(!vcontent_type)
153: vcontent_type=new(pool) VString(r.mime_type_of(user_file_name));
1.10 paf 154:
1.104 paf 155: VFile& self=*static_cast<VFile *>(r.get_self());
156: self.set(true/*tainted*/, data, size, user_file_name, vcontent_type);
1.105 paf 157: if(fields)
158: fields->for_each(_load_pass_param, &self.fields());
1.9 paf 159: }
160:
1.26 paf 161: static void _stat(Request& r, const String& method_name, MethodParams *params) {
1.25 paf 162: Pool& pool=r.pool();
1.39 parser 163: Value& vfile_name=params->as_no_junction(0, "file name must not be code");
1.25 paf 164:
165: const String& lfile_name=vfile_name.as_string();
166:
1.40 parser 167: size_t size;
168: time_t atime, mtime, ctime;
169: file_stat(r.absolute(lfile_name),
170: size,
171: atime, mtime, ctime);
1.25 paf 172:
1.99 paf 173: VFile& vfile=*static_cast<VFile *>(r.get_self());
1.40 parser 174: vfile.set(true/*tainted*/, 0/*no bytes*/, size);
175: Hash& ff=vfile.fields();
176: ff.put(*new(pool) String(pool, "adate"), new(pool) VDate(pool, atime));
177: ff.put(*new(pool) String(pool, "mdate"), new(pool) VDate(pool, mtime));
178: ff.put(*new(pool) String(pool, "cdate"), new(pool) VDate(pool, ctime));
1.93 paf 179: ff.put(*content_type_name, new(pool) VString(r.mime_type_of(lfile_name.cstr(String::UL_FILE_SPEC))));
1.25 paf 180: }
181:
1.83 paf 182: static bool is_safe_env_key(const char *key) {
1.88 paf 183: if(strncasecmp(key, "HTTP_", 5)==0)
1.83 paf 184: return true;
1.87 paf 185: if(strncasecmp(key, "CGI_", 4)==0)
1.83 paf 186: return true;
187: for(int i=0; suexec_safe_env_lst[i]; i++) {
1.87 paf 188: if(strcasecmp(key, suexec_safe_env_lst[i])==0)
1.83 paf 189: return true;
190: }
191: return false;
192: }
1.90 paf 193: #ifndef DOXYGEN
194: struct Append_env_pair_info {
195: Hash* hash;
1.100 paf 196: Value* vstdin;
1.109 paf 197: Value* vcharset;
1.90 paf 198: };
199: #endif
1.100 paf 200: static void append_env_pair(const Hash::Key& key, Hash::Val *avalue, void *info) {
1.90 paf 201: Append_env_pair_info& pi=*static_cast<Append_env_pair_info *>(info);
1.100 paf 202: Value& value=*static_cast<Value *>(avalue);
1.90 paf 203:
204: if(key==STDIN_EXEC_PARAM_NAME) {
1.100 paf 205: pi.vstdin=&value;
1.109 paf 206: } else if(key==CHARSET_EXEC_PARAM_NAME) {
207: pi.vcharset=&value;
1.90 paf 208: } else {
209: if(!is_safe_env_key(key.cstr()))
210: throw Exception("parser.runtime",
211: &key,
212: "not safe environment variable");
1.100 paf 213: pi.hash->put(key, &value.as_string());
1.90 paf 214: }
1.22 paf 215: }
1.94 paf 216: #ifndef DOXYGEN
217: struct Pass_cgi_header_attribute_info {
218: Hash *hash;
219: Value *content_type;
220: };
221: #endif
222: static void pass_cgi_header_attribute(Array::Item *value, void *ainfo) {
1.29 paf 223: String& string=*static_cast<String *>(value);
1.94 paf 224: Pool& pool=string.pool();
225: Pass_cgi_header_attribute_info& info=*static_cast<Pass_cgi_header_attribute_info *>(ainfo);
1.29 paf 226: int colon_pos=string.pos(":", 1);
1.94 paf 227: if(colon_pos>0) {
228: const String& key=string.mid(0, colon_pos).change_case(pool, String::CC_UPPER);
229: Value *value=new(pool) VString(string.mid(colon_pos+1, string.size()));
230: info.hash->put(key, value);
231: if(key=="CONTENT-TYPE")
232: info.content_type=value;
233: }
1.29 paf 234: }
1.90 paf 235: /// @todo fix `` in perl - they produced flipping consoles and no output to perl
1.41 parser 236: static void _exec_cgi(Request& r, const String& method_name, MethodParams *params,
237: bool cgi) {
1.21 paf 238: Pool& pool=r.pool();
239:
1.39 parser 240: Value& vfile_name=params->as_no_junction(0, "file name must not be code");
1.21 paf 241:
1.23 paf 242: const String& script_name=r.absolute(vfile_name.as_string());
243:
244: Hash env(pool);
1.62 paf 245: #define ECSTR(name, value_cstr) \
246: String name##key(pool, #name); \
247: String name##value(pool); \
248: if(value_cstr) { \
249: name##value.APPEND_CONST(value_cstr); \
250: env.put(name##key, &name##value); \
1.23 paf 251: }
1.82 paf 252: // passing SAPI::environment
253: if(const char *const *pairs=SAPI::environment(pool)) {
254: while(const char *pair=*pairs++)
255: if(const char *eq_at=strchr(pair, '=')) {
256: String& key=*new(pool) String(pool, pair, eq_at-pair);
257: String& value=*new(pool) String(pool, eq_at+1);
258: env.put(key, &value);
259: }
260: }
261:
1.23 paf 262: // const
1.63 paf 263: ECSTR(GATEWAY_INTERFACE, "CGI/1.1");
1.23 paf 264: // from Request.info
1.62 paf 265: ECSTR(DOCUMENT_ROOT, r.info.document_root);
266: ECSTR(PATH_TRANSLATED, r.info.path_translated);
1.66 paf 267: ECSTR(REQUEST_METHOD, r.info.method);
1.62 paf 268: ECSTR(QUERY_STRING, r.info.query_string);
269: ECSTR(REQUEST_URI, r.info.uri);
270: ECSTR(CONTENT_TYPE, r.info.content_type);
1.23 paf 271: char content_length_cstr[MAX_NUMBER];
272: snprintf(content_length_cstr, MAX_NUMBER, "%u", r.info.content_length);
273: String content_length(pool, content_length_cstr);
1.62 paf 274: ECSTR(CONTENT_LENGTH, content_length_cstr);
1.82 paf 275: // SCRIPT_*
1.63 paf 276: env.put(*new(pool) String(pool, "SCRIPT_NAME"), &script_name);
1.82 paf 277: //env.put(*new(pool) String(pool, "SCRIPT_FILENAME"), ??&script_name);
1.23 paf 278:
1.90 paf 279: // environment & stdin from param
1.109 paf 280: String raw_in(pool);
281: Charset *charset=0; // default script works raw_in 'source' charset = no transcoding needed
1.21 paf 282: if(params->size()>1) {
1.39 parser 283: Value& venv=params->as_no_junction(1, "env must not be code");
1.90 paf 284: if(Hash *user_env=venv.get_hash(&method_name)) {
285: Append_env_pair_info info={&env};
286: user_env->for_each(append_env_pair, &info);
1.109 paf 287: // $.stdin
1.103 paf 288: if(info.vstdin) {
289: if(const String *sstdin=info.vstdin->get_string()) {
1.109 paf 290: raw_in.append(*sstdin, String::UL_CLEAN, true);
1.103 paf 291: } else
1.100 paf 292: if(VFile *vfile=static_cast<VFile *>(info.vstdin->as("file", false)))
1.109 paf 293: raw_in.APPEND_TAINTED((const char *)vfile->value_ptr(), vfile->value_size(),
1.100 paf 294: "$.stdin[assigned]", 0);
295: else
296: throw Exception("parser.runtime",
297: &method_name,
298: STDIN_EXEC_PARAM_NAME " parameter must be string or file");
1.103 paf 299: }
1.109 paf 300: // $.charset
301: if(info.vcharset)
302: charset=&charsets->get_charset(info.vcharset->as_string());
1.90 paf 303: }
1.21 paf 304: }
305:
1.90 paf 306: // argv from params
1.21 paf 307: Array *argv=0;
308: if(params->size()>2) {
309: argv=new(pool) Array(pool, params->size()-2);
310: for(int i=2; i<params->size(); i++)
1.58 parser 311: *argv+=¶ms->as_string(i, "parameter must be string");
1.21 paf 312: }
1.90 paf 313:
1.109 paf 314: // transcode if necessary
315: String* real_in=&raw_in;
316: if(charset) {
317: Charset::transcode(pool, pool.get_source_charset(), *charset, env);
318: if(argv)
319: Charset::transcode(pool, pool.get_source_charset(), *charset, *argv);
320: real_in=&Charset::transcode(pool, pool.get_source_charset(), *charset, raw_in);
321: }
322:
1.90 paf 323: // exec!
1.109 paf 324: String raw_out(pool);
325: String& raw_err=*new(pool) String(pool);
1.110 ! paf 326: int status=0;
! 327:
! 328: const String *body=0;
! 329: const String *header=0;
! 330: const char *eol_marker=0; size_t eol_marker_size; int header_break_pos;
1.109 paf 331:
332: String *real_out=&raw_out;
333: String *real_err=&raw_err;
1.41 parser 334: if(cgi) { // ^file:cgi
1.110 ! paf 335: status = pa_exec(false/*forced_allow*/, script_name, &env, argv, *real_in, raw_out, raw_err, &header_break_pos, &eol_marker, &eol_marker_size);
! 336: // transcode if necessary
! 337: if(charset) {
! 338: real_out=&Charset::transcode(pool, *charset, pool.get_source_charset(), raw_out);
! 339: real_err=&Charset::transcode(pool, *charset, pool.get_source_charset(), raw_err);
! 340: }
! 341: if(header_break_pos == -1)
1.74 paf 342: throw Exception(0,
1.41 parser 343: &method_name,
1.90 paf 344: "output does not contain CGI header; "
345: "exit status=%d; stdoutsize=%u; stdout: \"%s\"; stderrsize=%u; stderr: \"%s\"",
1.46 parser 346: status,
1.109 paf 347: (uint)real_out->size(), real_out->cstr(),
348: (uint)real_err->size(), real_err->cstr());
1.21 paf 349:
1.109 paf 350: header=&real_out->mid(0, header_break_pos);
351: body=&real_out->mid(header_break_pos+eol_marker_size*2, real_out->size());
1.110 ! paf 352: }else{ // ^file:exec
! 353: status = pa_exec(false/*forced_allow*/, script_name, &env, argv, *real_in, raw_out, raw_err);
! 354: // transcode if necessary
! 355: if(charset) {
! 356: real_out=&Charset::transcode(pool, *charset, pool.get_source_charset(), raw_out);
! 357: real_err=&Charset::transcode(pool, *charset, pool.get_source_charset(), raw_err);
! 358: }
! 359: body=real_out;
1.29 paf 360: }
1.110 ! paf 361:
! 362:
! 363:
! 364: VFile& self=*static_cast<VFile *>(r.get_self());
! 365:
1.41 parser 366: // body
1.64 paf 367: self.set(false/*not tainted*/, body->cstr(), body->size());
1.94 paf 368:
369: // $fields << header
1.98 paf 370: if(header && eol_marker) {
1.94 paf 371: Array rows(pool);
372: header->split(rows, 0, eol_marker, eol_marker_size);
373: Pass_cgi_header_attribute_info info={&self.fields()};
374: rows.for_each(pass_cgi_header_attribute, &info);
375: if(info.content_type)
376: self.fields().put(*content_type_name, info.content_type);
377: }
1.21 paf 378:
1.42 parser 379: // $status
1.21 paf 380: self.fields().put(
1.104 paf 381: *file_status_name,
1.42 parser 382: new(pool) VInt(pool, status));
1.21 paf 383:
384: // $stderr
1.109 paf 385: if(real_err->size()) {
1.21 paf 386: self.fields().put(
387: *new(pool) String(pool, "stderr"),
1.109 paf 388: new(pool) VString(*real_err));
1.21 paf 389: }
390: }
1.41 parser 391: static void _exec(Request& r, const String& method_name, MethodParams *params) {
392: _exec_cgi(r, method_name, params, false);
393: }
394: static void _cgi(Request& r, const String& method_name, MethodParams *params) {
395: _exec_cgi(r, method_name, params, true);
396: }
397:
1.47 parser 398: static void _list(Request& r, const String& method_name, MethodParams *params) {
399: Pool& pool=r.pool();
400:
401: Value& relative_path=params->as_no_junction(0, "path must not be code");
402:
403: const String *regexp;
404: pcre *regexp_code;
1.81 paf 405: const int ovecsize=(1/*match*/)*3;
406: int ovector[ovecsize];
1.47 parser 407: if(params->size()>1) {
408: regexp=¶ms->as_no_junction(1, "regexp must not be code").as_string();
409:
1.64 paf 410: const char *pattern=regexp->cstr();
1.47 parser 411: const char *errptr;
412: int erroffset;
413: regexp_code=pcre_compile(pattern, PCRE_EXTRA | PCRE_DOTALL,
414: &errptr, &erroffset,
1.67 paf 415: pool.get_client_charset().pcre_tables);
1.47 parser 416:
417: if(!regexp_code)
1.74 paf 418: throw Exception(0,
1.47 parser 419: ®exp->mid(erroffset, regexp->size()),
420: "regular expression syntax error - %s", errptr);
421: } else
422: regexp_code=0;
423:
424:
425: const char* absolute_path_cstr=r.absolute(relative_path.as_string())
1.53 parser 426: .cstr(String::UL_FILE_SPEC);
1.47 parser 427:
428: Array& columns=*new(pool) Array(pool);
429: columns+=new(pool) String(pool, "name");
430: Table& table=*new(pool) Table(pool, &method_name, &columns);
431:
432: LOAD_DIR(absolute_path_cstr,
433: size_t file_name_size=strlen(ffblk.ff_name);
434: bool suits=true;
435: if(regexp_code) {
436: int exec_result=pcre_exec(regexp_code, 0,
437: ffblk.ff_name, file_name_size, 0,
438: 0, ovector, ovecsize);
439:
440: if(exec_result==PCRE_ERROR_NOMATCH)
441: suits=false;
442: else if(exec_result<0) {
443: (*pcre_free)(regexp_code);
1.74 paf 444: throw Exception(0,
1.47 parser 445: regexp,
446: "regular expression execute (%d)",
447: exec_result);
448: }
449: }
450:
451: if(suits) {
1.50 parser 452: char *file_name_cstr=(char *)pool.malloc(file_name_size);
1.47 parser 453: memcpy(file_name_cstr, ffblk.ff_name, file_name_size);
454: String &file_name=*new(pool) String(pool);
1.101 paf 455: file_name.APPEND_TAINTED(file_name_cstr, file_name_size,
1.47 parser 456: method_name.origin().file, method_name.origin().line);
457:
458: Array& row=*new(pool) Array(pool);
459: row+=&file_name;
460: table+=&row;
461: }
462: );
463:
464: if(regexp_code)
465: (*pcre_free)(regexp_code);
466:
1.60 parser 467: // write out result
1.47 parser 468: VTable& result=*new(pool) VTable(pool, &table);
469: r.write_no_lang(result);
470: }
1.21 paf 471:
1.69 paf 472: #ifndef DOXYGEN
473: struct Lock_execute_body_info {
474: Request *r;
475: Value *body_code;
476: };
477: #endif
478: static void lock_execute_body(int , void *context) {
479: Lock_execute_body_info& info=*static_cast<Lock_execute_body_info *>(context);
480:
481: // execute body
1.78 paf 482: info.r->write_assign_lang(info.r->process(*info.body_code));
1.69 paf 483: };
484: static void _lock(Request& r, const String& method_name, MethodParams *params) {
485: const String& file_spec=r.absolute(params->as_string(0, "file name must be string"));
486: Value& body_code=params->as_junction(1, "body must be code");
487:
488: Lock_execute_body_info info={&r, &body_code};
1.70 paf 489: file_write_action_under_lock(file_spec, "lock", lock_execute_body, &info);
1.69 paf 490: }
491:
1.89 paf 492: static int lastposafter(const String& s, int after, const char *substr, size_t substr_size, bool beforelast=false) {
493: size_t size;
494: if(beforelast)
495: size=s.size();
496: int at;
497: while((at=s.pos(substr, substr_size, after))>=0) {
498: size_t newafter=at+substr_size/*skip substr*/;
499: if(beforelast && newafter==size)
500: break;
501: after=newafter;
502: }
503:
504: return after;
505: }
506:
1.90 paf 507: static void _find(Request& r, const String& method_name, MethodParams *params) {
508: Pool& pool=r.pool();
509: const String &file_name=params->as_no_junction(0, "file name must not be code").as_string();
510: const String *file_spec;
511: if(file_name.first_char()=='/')
512: file_spec=&file_name;
513: else
514: file_spec=&r.relative(r.info.uri, file_name);
515:
516: // easy way
517: if(file_readable(r.absolute(*file_spec))) {
1.96 paf 518: r.write_assign_lang(*file_spec);
1.90 paf 519: return;
520: }
521:
522: // monkey way
523: int after_base_slash=lastposafter(*file_spec, 0, "/", 1);
524: const String *dirname=&file_spec->mid(0, after_base_slash);
525: const String& basename=file_spec->mid(after_base_slash, file_spec->size());
526:
527: int after_monkey_slash;
528: while((after_monkey_slash=lastposafter(*dirname, 0, "/", 1, true))>0) {
529: String local_test_name(pool);
530: local_test_name<<*(dirname=&dirname->mid(0, after_monkey_slash));
531: local_test_name<<basename;
532: if(file_readable(r.absolute(local_test_name))) {
1.96 paf 533: r.write_assign_lang(*new(pool) String(local_test_name));
1.90 paf 534: return;
535: }
536: }
537:
538: // no way, not found
539: if(params->size()==2) {
540: Value& not_found_code=params->as_junction(1, "not-found param must be code");
541: r.write_pass_lang(r.process(not_found_code));
542: }
543: }
544:
1.89 paf 545: static void _dirname(Request& r, const String& method_name, MethodParams *params) {
546: Pool& pool=r.pool();
547: const String& file_spec=params->as_string(0, "file name must be string");
548: // /a/some.tar.gz > /a
549: // /a/b/ > /a
550: int afterslash=lastposafter(file_spec, 0, "/", 1, true);
551: if(afterslash>0)
552: r.write_assign_lang(file_spec.mid(0, afterslash==1?1:afterslash-1));
553: else
554: r.write_assign_lang(*new(pool) String(pool, ".", 1));
555: }
556:
557: static void _basename(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.gz
560: int afterslash=lastposafter(file_spec, 0, "/", 1);
561: r.write_assign_lang(file_spec.mid(afterslash, file_spec.size()));
562: }
563:
564: static void _justname(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 > some.tar
567: int afterslash=lastposafter(file_spec, 0, "/", 1);
568: int afterdot=lastposafter(file_spec, afterslash, ".", 1);
569: r.write_assign_lang(file_spec.mid(afterslash, afterdot!=afterslash?afterdot-1:file_spec.size()));
570: }
571: static void _justext(Request& r, const String& method_name, MethodParams *params) {
572: const String& file_spec=params->as_string(0, "file name must be string");
573: // /a/some.tar.gz > gz
574: int afterdot=lastposafter(file_spec, 0, ".", 1);
575: if(afterdot>0)
576: r.write_assign_lang(file_spec.mid(afterdot, file_spec.size()));
577: }
578:
1.102 paf 579: static void _fullpath(Request& r, const String& method_name, MethodParams *params) {
580: const String& file_spec=params->as_string(0, "file name must be string");
581: const String *result;
582: if(file_spec.first_char()=='/')
583: result=&file_spec;
584: else {
585: // /some/page.html: ^file:fullpath[a.gif] => /some/a.gif
586: const String& full_disk_path=r.absolute(file_spec);
587: size_t document_root_length=strlen(r.info.document_root);
1.106 paf 588:
589: if(document_root_length>0) {
590: char last_char=r.info.document_root[document_root_length-1];
591: if(last_char == '/' || last_char == '\\')
592: --document_root_length;
593: }
1.102 paf 594: result=&full_disk_path.mid(document_root_length, full_disk_path.size());
595: }
596: r.write_assign_lang(*result);
597: }
598:
1.89 paf 599:
1.32 paf 600: // constructor
601:
1.80 paf 602: MFile::MFile(Pool& apool) : Methoded(apool, "file") {
1.48 parser 603: // ^save[mode;file-name]
604: add_native_method("save", Method::CT_DYNAMIC, _save, 2, 2);
1.7 paf 605:
606: // ^delete[file-name]
1.32 paf 607: add_native_method("delete", Method::CT_STATIC, _delete, 1, 1);
1.45 parser 608:
609: // ^move[from-file-name;to-file-name]
610: add_native_method("move", Method::CT_STATIC, _move, 2, 2);
1.8 paf 611:
1.48 parser 612: // ^load[mode;disk-name]
613: // ^load[mode;disk-name;user-name]
614: add_native_method("load", Method::CT_DYNAMIC, _load, 2, 3);
1.25 paf 615:
616: // ^stat[disk-name]
1.32 paf 617: add_native_method("stat", Method::CT_DYNAMIC, _stat, 1, 1);
1.21 paf 618:
1.36 paf 619: // ^cgi[file-name]
620: // ^cgi[file-name;env hash]
621: // ^cgi[file-name;env hash;1cmd;2line;3ar;4g;5s]
1.41 parser 622: add_native_method("cgi", Method::CT_DYNAMIC, _cgi, 1, 2+10);
623:
624: // ^exec[file-name]
625: // ^exec[file-name;env hash]
626: // ^exec[file-name;env hash;1cmd;2line;3ar;4g;5s]
627: add_native_method("exec", Method::CT_DYNAMIC, _exec, 1, 2+10);
1.47 parser 628:
629: // ^file:list[path]
630: // ^file:list[path][regexp]
631: add_native_method("list", Method::CT_STATIC, _list, 1, 2);
1.69 paf 632:
633: // ^file:lock[path]{code}
634: add_native_method("lock", Method::CT_STATIC, _lock, 2, 2);
1.90 paf 635:
636: // ^find[file-name]
637: // ^find[file-name]{when-not-found}
638: add_native_method("find", Method::CT_STATIC, _find, 1, 2);
1.47 parser 639:
1.89 paf 640: // ^file:dirname[/a/some.tar.gz]=/a
641: // ^file:dirname[/a/b/]=/a
642: add_native_method("dirname", Method::CT_STATIC, _dirname, 1, 1);
643: // ^file:basename[/a/some.tar.gz]=some.tar.gz
644: add_native_method("basename", Method::CT_STATIC, _basename, 1, 1);
645: // ^file:justname[/a/some.tar.gz]=some.tar
646: add_native_method("justname", Method::CT_STATIC, _justname, 1, 1);
647: // ^file:justext[/a/some.tar.gz]=gz
648: add_native_method("justext", Method::CT_STATIC, _justext, 1, 1);
1.102 paf 649: // /some/page.html: ^file:fullpath[a.gif] => /some/a.gif
650: add_native_method("fullpath", Method::CT_STATIC, _fullpath, 1, 1);
1.32 paf 651: }
652:
653: // global variable
654:
655: Methoded *file_class;
656:
657: // creator
658:
659: Methoded *MFile_create(Pool& pool) {
660: return file_class=new(pool) MFile(pool);
1.1 paf 661: }
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