Annotation of parser3/src/classes/file.C, revision 1.186
1.17 paf 1: /** @file
2: Parser: @b file parser class.
3:
1.185 misha 4: Copyright (c) 2001-2009 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:
1.186 ! misha 8: static const char * const IDENT_FILE_C="$Date: 2009-04-22 04:41:32 $";
1.47 parser 9:
10: #include "pa_config_includes.h"
11:
1.35 paf 12: #include "classes.h"
1.111 paf 13: #include "pa_vmethod_frame.h"
14:
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"
1.121 paf 25: #include "pa_sql_connection.h"
1.147 misha 26: #include "pa_md5.h"
1.184 misha 27: #include "pa_vregex.h"
1.1 paf 28:
1.32 paf 29: // defines
30:
1.48 parser 31: #define TEXT_MODE_NAME "text"
1.125 paf 32: #define BINARY_MODE_NAME "binary"
1.90 paf 33: #define STDIN_EXEC_PARAM_NAME "stdin"
1.109 paf 34: #define CHARSET_EXEC_PARAM_NAME "charset"
1.48 parser 35:
1.131 paf 36: #define NAME_NAME "name"
37:
1.132 paf 38: // externs
39:
40: extern String sql_limit_name;
41: extern String sql_offset_name;
42:
1.111 paf 43: // class
44:
45: class MFile: public Methoded {
46: public: // VStateless_class
47:
1.134 paf 48: Value* create_new_value(Pool&, HashStringValue&) { return new VFile(); }
1.111 paf 49:
50: public: // Methoded
51: bool used_directly() { return true; }
52:
53: public:
54: MFile();
55:
56: };
57:
58: // global variable
59:
60: DECLARE_CLASS_VAR(file, new MFile, 0);
61:
1.83 paf 62: // consts
63:
64: /// from apache-1.3|src|support|suexec.c
1.111 paf 65: static const char* suexec_safe_env_lst[]={
1.83 paf 66: "AUTH_TYPE",
67: "CONTENT_LENGTH",
68: "CONTENT_TYPE",
69: "DATE_GMT",
70: "DATE_LOCAL",
71: "DOCUMENT_NAME",
72: "DOCUMENT_PATH_INFO",
73: "DOCUMENT_ROOT",
74: "DOCUMENT_URI",
75: "FILEPATH_INFO",
76: "GATEWAY_INTERFACE",
77: "LAST_MODIFIED",
78: "PATH_INFO",
79: "PATH_TRANSLATED",
80: "QUERY_STRING",
81: "QUERY_STRING_UNESCAPED",
82: "REMOTE_ADDR",
83: "REMOTE_HOST",
84: "REMOTE_IDENT",
85: "REMOTE_PORT",
86: "REMOTE_USER",
87: "REDIRECT_QUERY_STRING",
88: "REDIRECT_STATUS",
89: "REDIRECT_URL",
90: "REQUEST_METHOD",
91: "REQUEST_URI",
92: "SCRIPT_FILENAME",
93: "SCRIPT_NAME",
94: "SCRIPT_URI",
95: "SCRIPT_URL",
96: "SERVER_ADMIN",
97: "SERVER_NAME",
98: "SERVER_ADDR",
99: "SERVER_PORT",
100: "SERVER_PROTOCOL",
101: "SERVER_SOFTWARE",
102: "UNIQUE_ID",
103: "USER_NAME",
104: "TZ",
105: NULL
106: };
107:
1.111 paf 108: // statics
1.33 paf 109:
1.112 paf 110: static const String::Body adate_name("adate");
111: static const String::Body mdate_name("mdate");
112: static const String::Body cdate_name("cdate");
1.32 paf 113:
1.1 paf 114: // methods
115:
1.161 misha 116: static bool is_valid_mode (const String& mode) {
117: return (mode==TEXT_MODE_NAME || mode==BINARY_MODE_NAME);
118: }
119:
1.125 paf 120: static bool is_text_mode(const String& mode) {
121: if(mode==TEXT_MODE_NAME)
122: return true;
123: if(mode==BINARY_MODE_NAME)
124: return false;
1.156 misha 125: throw Exception(PARSER_RUNTIME,
1.125 paf 126: &mode,
127: "is invalid mode, must be either '"TEXT_MODE_NAME"' or '"BINARY_MODE_NAME"'");
128: }
129:
1.111 paf 130: static void _save(Request& r, MethodParams& params) {
1.161 misha 131: Value& vmode_name=params.as_no_junction(0, MODE_MUST_NOT_BE_CODE);
1.152 misha 132: Value& vfile_name=params.as_no_junction(1, FILE_NAME_MUST_NOT_BE_CODE);
1.4 paf 133:
1.7 paf 134: // save
1.111 paf 135: GET_SELF(r, VFile).save(r.absolute(vfile_name.as_string()),
1.125 paf 136: is_text_mode(vmode_name.as_string()));
1.7 paf 137: }
138:
1.111 paf 139: static void _delete(Request& r, MethodParams& params) {
1.152 misha 140: Value& vfile_name=params.as_no_junction(0, FILE_NAME_MUST_NOT_BE_CODE);
1.7 paf 141:
142: // unlink
1.68 paf 143: file_delete(r.absolute(vfile_name.as_string()));
1.1 paf 144: }
145:
1.111 paf 146: static void _move(Request& r, MethodParams& params) {
147: Value& vfrom_file_name=params.as_no_junction(0, "from file name must not be code");
148: Value& vto_file_name=params.as_no_junction(1, "to file name must not be code");
1.45 parser 149:
1.51 parser 150: // move
1.68 paf 151: file_move(
1.45 parser 152: r.absolute(vfrom_file_name.as_string()),
153: r.absolute(vto_file_name.as_string()));
154: }
155:
1.148 misha 156: static void copy_process_source(
1.180 misha 157: struct stat& ,
158: int from_file,
159: const String& , const char* /*fname*/, bool,
160: void *context) {
1.148 misha 161: int& to_file=*static_cast<int *>(context);
162:
163: int nCount=0;
164: do {
165: unsigned char buffer[FILE_BUFFER_SIZE];
1.150 misha 166: nCount = file_block_read(from_file, buffer, sizeof(buffer));
1.148 misha 167: int written=write(to_file, buffer, nCount);
168: if( written < 0 )
1.179 misha 169: throw Exception("file.access",
1.148 misha 170: 0,
171: "write failed: %s (%d)", strerror(errno), errno);
172:
173: } while(nCount > 0);
174: }
175:
176: static void copy_open_target(int f, void *from_spec) {
177: String& file_spec=*static_cast<String *>(from_spec);
178: file_read_action_under_lock(file_spec, "copy", copy_process_source, &f);
179: };
180:
181: static void _copy(Request& r, MethodParams& params) {
182: Value& vfrom_file_name=params.as_no_junction(0, "from file name must not be code");
183: Value& vto_file_name=params.as_no_junction(1, "to file name must not be code");
184:
185: String from_spec = r.absolute(vfrom_file_name.as_string());
186: const String& to_spec = r.absolute(vto_file_name.as_string());
187:
188: file_write_action_under_lock(
189: to_spec,
190: "copy",
191: copy_open_target,
1.149 misha 192: &from_spec);
1.148 misha 193: }
194:
1.111 paf 195: static void _load_pass_param(
1.180 misha 196: HashStringValue::key_type key,
197: HashStringValue::value_type value,
198: HashStringValue *dest) {
1.111 paf 199: dest->put(key, value);
200: }
1.180 misha 201:
1.111 paf 202: static void _load(Request& r, MethodParams& params) {
1.180 misha 203: bool as_text=is_text_mode(params.as_no_junction(0, MODE_MUST_NOT_BE_CODE).as_string());
1.152 misha 204: const String& lfile_name=r.absolute(params.as_no_junction(1, FILE_NAME_MUST_NOT_BE_CODE).as_string());
1.9 paf 205:
1.180 misha 206: size_t param_index=params.count()-1;
1.183 misha 207: Value* param_value=param_index>1?¶ms.as_no_junction(param_index, "filename or options must not be code"):0;
1.180 misha 208:
1.183 misha 209: HashStringValue* options=0;
210: const char *user_file_name=0;
211:
212: if(param_value){
213: options=param_value->get_hash();
214: if(options || param_index>2)
215: param_index--;
216: if(param_index>1){
217: const String& luser_file_name=params.as_string(param_index, FILE_NAME_MUST_BE_STRING);
218: if(!luser_file_name.is_empty())
219: user_file_name=luser_file_name.cstr(String::L_FILE_SPEC);
220: }
221: }
222: if(!user_file_name)
223: user_file_name=lfile_name.cstr(String::L_FILE_SPEC);
1.180 misha 224:
1.132 paf 225: size_t offset=0;
226: size_t limit=0;
1.183 misha 227:
1.180 misha 228: if(options){
1.132 paf 229: options=new HashStringValue(*options);
1.180 misha 230: if(Value *voffset=(Value *)options->get(sql_offset_name)){
1.132 paf 231: offset=r.process_to_value(*voffset).as_int();
232: }
1.180 misha 233: if(Value *vlimit=(Value *)options->get(sql_limit_name)){
1.132 paf 234: limit=r.process_to_value(*vlimit).as_int();
235: }
236: // no check on options count here, see file_read
237: }
1.182 misha 238: File_read_result file=file_load(r, lfile_name,
1.180 misha 239: as_text, options, true, 0, offset, limit
1.104 paf 240: );
1.9 paf 241:
1.111 paf 242: Value* vcontent_type=0;
1.168 misha 243: if(file.headers){
1.181 misha 244: if(Value* remote_content_type=file.headers->get(HTTP_CONTENT_TYPE_UPPER))
1.129 paf 245: vcontent_type=new VString(*new String(remote_content_type->as_string().cstr()));
246: }
1.104 paf 247: if(!vcontent_type)
1.111 paf 248: vcontent_type=new VString(r.mime_type_of(user_file_name));
1.10 paf 249:
1.111 paf 250: VFile& self=GET_SELF(r, VFile);
251: self.set(true/*tainted*/, file.str, file.length, user_file_name, vcontent_type);
1.168 misha 252:
253: if(file.headers){
1.143 paf 254: file.headers->for_each<HashStringValue*>(_load_pass_param, &self.fields());
1.168 misha 255: } else {
256: size_t size;
257: time_t atime, mtime, ctime;
258:
1.169 misha 259: file_stat(lfile_name, size, atime, mtime, ctime);
1.168 misha 260:
261: HashStringValue& ff=self.fields();
262: ff.put(adate_name, new VDate(atime));
263: ff.put(mdate_name, new VDate(mtime));
264: ff.put(cdate_name, new VDate(ctime));
265: }
266:
1.9 paf 267: }
268:
1.138 paf 269: static void _create(Request& r, MethodParams& params) {
1.161 misha 270: Value& vmode_name=params.as_no_junction(0, MODE_MUST_NOT_BE_CODE);
1.138 paf 271: if(!is_text_mode(vmode_name.as_string()))
1.156 misha 272: throw Exception(PARSER_RUNTIME,
1.138 paf 273: 0,
274: "only text mode is currently supported");
275:
276: const char* user_file_name_cstr=r.absolute(
1.152 misha 277: params.as_no_junction(1, FILE_NAME_MUST_NOT_BE_CODE).as_string()).cstr(String::L_FILE_SPEC);
1.138 paf 278:
279: const String& content=params.as_string(2, "content must be string");
280: const char* content_cstr=content.cstr(String::L_UNSPECIFIED); // explode content, honor tainting changes
281:
282: VString* vcontent_type=new VString(r.mime_type_of(user_file_name_cstr));
283:
284: VFile& self=GET_SELF(r, VFile);
285: self.set(true/*tainted*/, content_cstr, strlen(content_cstr), user_file_name_cstr, vcontent_type);
286: }
287:
1.111 paf 288: static void _stat(Request& r, MethodParams& params) {
1.152 misha 289: Value& vfile_name=params.as_no_junction(0, FILE_NAME_MUST_NOT_BE_CODE);
1.25 paf 290:
291: const String& lfile_name=vfile_name.as_string();
292:
1.40 parser 293: size_t size;
294: time_t atime, mtime, ctime;
295: file_stat(r.absolute(lfile_name),
296: size,
297: atime, mtime, ctime);
1.25 paf 298:
1.167 misha 299: const char* user_file_name=lfile_name.cstr(String::L_FILE_SPEC);
300:
1.111 paf 301: VFile& self=GET_SELF(r, VFile);
1.167 misha 302:
303: self.set(true/*tainted*/, 0/*no bytes*/, size, user_file_name, new VString(r.mime_type_of(user_file_name)));
1.111 paf 304: HashStringValue& ff=self.fields();
305: ff.put(adate_name, new VDate(atime));
306: ff.put(mdate_name, new VDate(mtime));
307: ff.put(cdate_name, new VDate(ctime));
1.25 paf 308: }
309:
1.111 paf 310: static bool is_safe_env_key(const char* key) {
311: for(const char* validator=key; *validator; validator++) {
312: char c=*validator;
313: if(!(c>='A' && c<='Z' || c>='0' && c<='9' || c=='_' || c=='-'))
314: return false;
315: }
1.88 paf 316: if(strncasecmp(key, "HTTP_", 5)==0)
1.83 paf 317: return true;
1.87 paf 318: if(strncasecmp(key, "CGI_", 4)==0)
1.83 paf 319: return true;
320: for(int i=0; suexec_safe_env_lst[i]; i++) {
1.87 paf 321: if(strcasecmp(key, suexec_safe_env_lst[i])==0)
1.83 paf 322: return true;
323: }
324: return false;
325: }
1.90 paf 326: #ifndef DOXYGEN
327: struct Append_env_pair_info {
1.141 paf 328: Request_charsets* charsets;
1.111 paf 329: HashStringString* env;
1.100 paf 330: Value* vstdin;
1.90 paf 331: };
332: #endif
1.111 paf 333: static void append_env_pair(
1.180 misha 334: HashStringValue::key_type akey,
335: HashStringValue::value_type avalue,
336: Append_env_pair_info *info) {
1.111 paf 337: if(akey==STDIN_EXEC_PARAM_NAME) {
338: info->vstdin=avalue;
339: } else if(akey==CHARSET_EXEC_PARAM_NAME) {
1.141 paf 340: // ignore, already processed
1.90 paf 341: } else {
1.111 paf 342: if(!is_safe_env_key(akey.cstr()))
1.156 misha 343: throw Exception(PARSER_RUNTIME,
1.111 paf 344: new String(akey, String::L_TAINTED),
1.90 paf 345: "not safe environment variable");
1.141 paf 346: info->env->put(akey, avalue->as_string().cstr_to_string_body(String::L_UNSPECIFIED, 0, info->charsets));
1.90 paf 347: }
1.22 paf 348: }
1.94 paf 349: #ifndef DOXYGEN
350: struct Pass_cgi_header_attribute_info {
1.111 paf 351: Charset* charset;
352: HashStringValue* fields;
353: Value* content_type;
1.94 paf 354: };
355: #endif
1.111 paf 356: static void pass_cgi_header_attribute(
1.180 misha 357: ArrayString::element_type astring,
358: Pass_cgi_header_attribute_info* info) {
1.111 paf 359: size_t colon_pos=astring->pos(':');
1.130 paf 360: if(colon_pos!=STRING_NOT_FOUND) {
1.111 paf 361: const String& key=astring->mid(0, colon_pos).change_case(
362: *info->charset, String::CC_UPPER);
1.130 paf 363: Value* value=new VString(astring->mid(colon_pos+1, astring->length()).trim());
1.111 paf 364: info->fields->put(key, value);
1.181 misha 365: if(key==HTTP_CONTENT_TYPE_UPPER)
1.111 paf 366: info->content_type=value;
1.94 paf 367: }
1.29 paf 368: }
1.155 misha 369:
370: static void append_to_argv(Request& r, ArrayString& argv, const String* str){
371: if( str->length() ){
372: argv+=new String(str->cstr_to_string_body(String::L_UNSPECIFIED, 0, &r.charsets), String::L_AS_IS);
373: }
374: }
375:
1.90 paf 376: /// @todo fix `` in perl - they produced flipping consoles and no output to perl
1.111 paf 377: static void _exec_cgi(Request& r, MethodParams& params,
1.41 parser 378: bool cgi) {
1.21 paf 379:
1.162 misha 380: Value& first_param=params.as_no_junction(0, FIRST_ARG_MUST_NOT_BE_CODE);
381:
382: bool is_mode_specified=is_valid_mode(first_param.as_string());
383: const String& mode_name=(is_mode_specified) ? first_param.as_string() : *new String(TEXT_MODE_NAME);
384:
385: size_t param_index=1;
386: if(!is_mode_specified){
387: --param_index;
388: }
389:
390: if(param_index>=params.count())
391: throw Exception(PARSER_RUNTIME,
392: 0,
393: "file name must be specified");
394:
395:
396: Value& vfile_name=params.as_no_junction(param_index++, FILE_NAME_MUST_NOT_BE_CODE);
1.21 paf 397:
1.23 paf 398: const String& script_name=r.absolute(vfile_name.as_string());
399:
1.111 paf 400: HashStringString env;
1.62 paf 401: #define ECSTR(name, value_cstr) \
1.111 paf 402: if(value_cstr) \
403: env.put( \
1.112 paf 404: String::Body(#name), \
405: String::Body(value_cstr, 0)); \
1.82 paf 406: // passing SAPI::environment
1.111 paf 407: if(const char *const *pairs=SAPI::environment(r.sapi_info)) {
408: while(const char* pair=*pairs++)
409: if(const char* eq_at=strchr(pair, '='))
410: if(eq_at[1]) // has value
411: env.put(
412: pa_strdup(pair, eq_at-pair),
413: pa_strdup(eq_at+1, 0));
1.82 paf 414: }
415:
1.23 paf 416: // const
1.63 paf 417: ECSTR(GATEWAY_INTERFACE, "CGI/1.1");
1.23 paf 418: // from Request.info
1.111 paf 419: ECSTR(DOCUMENT_ROOT, r.request_info.document_root);
420: ECSTR(PATH_TRANSLATED, r.request_info.path_translated);
421: ECSTR(REQUEST_METHOD, r.request_info.method);
422: ECSTR(QUERY_STRING, r.request_info.query_string);
423: ECSTR(REQUEST_URI, r.request_info.uri);
424: ECSTR(CONTENT_TYPE, r.request_info.content_type);
1.23 paf 425: char content_length_cstr[MAX_NUMBER];
1.111 paf 426: snprintf(content_length_cstr, MAX_NUMBER, "%u", r.request_info.content_length);
427: //String content_length(content_length_cstr);
1.62 paf 428: ECSTR(CONTENT_LENGTH, content_length_cstr);
1.82 paf 429: // SCRIPT_*
1.119 paf 430: env.put(String::Body("SCRIPT_NAME"), script_name);
431: //env.put(String::Body("SCRIPT_FILENAME"), ??&script_name);
1.23 paf 432:
1.111 paf 433: bool stdin_specified=false;
1.90 paf 434: // environment & stdin from param
1.111 paf 435: String *in=new String();
1.109 paf 436: Charset *charset=0; // default script works raw_in 'source' charset = no transcoding needed
1.162 misha 437: if(param_index < params.count()) {
438: Value& venv=params.as_no_junction(param_index++, "env must not be code");
1.111 paf 439: if(HashStringValue* user_env=venv.get_hash()) {
1.141 paf 440: // $.charset [previewing to handle URI pieces]
441: if(Value* vcharset=user_env->get(CHARSET_EXEC_PARAM_NAME))
442: charset=&charsets.get(vcharset->as_string()
443: .change_case(r.charsets.source(), String::CC_UPPER));
444:
445: // $.others
446: Append_env_pair_info info={&r.charsets, &env, 0};
447: {
1.144 paf 448: // influence tainting
449: // main target -- $.QUERY_STRING -- URLencoding of tainted pieces to String::L_URI lang
1.141 paf 450: Temp_client_charset temp(r.charsets, charset? *charset: r.charsets.source());
1.143 paf 451: user_env->for_each<Append_env_pair_info*>(append_env_pair, &info);
1.141 paf 452: }
1.109 paf 453: // $.stdin
1.103 paf 454: if(info.vstdin) {
1.111 paf 455: stdin_specified=true;
456: if(const String* sstdin=info.vstdin->get_string()) {
457: in->append(*sstdin, String::L_CLEAN, true);
1.103 paf 458: } else
1.111 paf 459: if(VFile* vfile=static_cast<VFile *>(info.vstdin->as("file", false)))
460: in->append_know_length((const char* )vfile->value_ptr(), vfile->value_size(), String::L_TAINTED);
1.100 paf 461: else
1.156 misha 462: throw Exception(PARSER_RUNTIME,
1.111 paf 463: 0,
1.100 paf 464: STDIN_EXEC_PARAM_NAME " parameter must be string or file");
1.103 paf 465: }
1.90 paf 466: }
1.21 paf 467: }
468:
1.90 paf 469: // argv from params
1.111 paf 470: ArrayString argv;
1.162 misha 471: if(param_index < params.count()) {
1.180 misha 472: // influence tainting
473: // main target -- URLencoding of tainted pieces to String::L_URI lang
474: Temp_client_charset temp(r.charsets, charset? *charset: r.charsets.source());
1.154 misha 475:
1.162 misha 476: for(size_t i=param_index; i<params.count(); i++) {
1.161 misha 477: Value& param=params.as_no_junction(i, PARAM_MUST_NOT_BE_CODE);
1.154 misha 478: if(param.is_defined()){
479: if(param.is_string()){
1.155 misha 480: append_to_argv(r, argv, param.get_string());
1.154 misha 481: } else {
1.155 misha 482: Table* table=param.get_table();
483: if(table){
484: for(size_t i=0; i<table->count(); i++) {
485: append_to_argv(r, argv, table->get(i)->get(0));
1.154 misha 486: }
487: } else {
1.156 misha 488: throw Exception(PARSER_RUNTIME,
1.154 misha 489: 0,
1.162 misha 490: "param must be string or table");
1.154 misha 491: }
492: }
1.145 misha 493: }
1.144 paf 494: }
1.21 paf 495: }
1.90 paf 496:
1.109 paf 497: // transcode if necessary
498: if(charset) {
1.111 paf 499: Charset::transcode(env, r.charsets.source(), *charset);
500: Charset::transcode(argv, r.charsets.source(), *charset);
501: in=&Charset::transcode(*in, r.charsets.source(), *charset);
502: }
503: // @todo
504: // ifdef WIN32 do OEM->ANSI transcode on some(.cmd?) programs to
505: // match silent conversion in OS
506:
507: // exec!
1.163 misha 508: PA_exec_result execution=pa_exec(false/*forced_allow*/, script_name, &env, argv, *in);
1.111 paf 509:
1.162 misha 510: File_read_result *file_out=&execution.out;
1.111 paf 511: String *real_err=&execution.err;
1.162 misha 512:
1.165 misha 513: // transcode err if necessary (@todo: need fix line breaks in err as well )
514: if(charset)
515: real_err=&Charset::transcode(*real_err, *charset, r.charsets.source());
516:
1.163 misha 517: if(file_out->length && is_text_mode(mode_name)){
1.162 misha 518: fix_line_breaks(file_out->str, file_out->length);
519: // treat output as string
520: String *real_out = new String(file_out->str, file_out->length);
521:
1.165 misha 522: // transcode out if necessary
523: if(charset)
1.162 misha 524: real_out=&Charset::transcode(*real_out, *charset, r.charsets.source());
1.165 misha 525:
1.162 misha 526: // FIXME: unsafe cast
1.163 misha 527: file_out->str=const_cast<char *>(real_out->cstr()); // hacking a little
1.162 misha 528: file_out->length = real_out->length();
1.109 paf 529: }
530:
1.111 paf 531: VFile& self=GET_SELF(r, VFile);
1.109 paf 532:
1.162 misha 533: if(cgi) { // ^file::cgi
1.163 misha 534: const char* eol_marker=0;
535: size_t eol_marker_size;
536:
1.111 paf 537: // construct with 'out' body and header
1.165 misha 538: size_t dos_pos=(file_out->length)?strpos(file_out->str, "\r\n\r\n"):STRING_NOT_FOUND;
539: size_t unix_pos=(file_out->length)?strpos(file_out->str, "\n\n"):STRING_NOT_FOUND;
1.111 paf 540:
541: bool unix_header_break;
542: switch((dos_pos!=STRING_NOT_FOUND?10:00) + (unix_pos!=STRING_NOT_FOUND?01:00)) {
1.166 misha 543: case 10: // dos
544: unix_header_break=false;
545: break;
546: case 01: // unix
547: unix_header_break=true;
548: break;
549: case 11: // dos & unix
550: unix_header_break=unix_pos<dos_pos;
551: break;
552: default: // 00
553: unix_header_break=false; // calm down, compiler
1.179 misha 554: throw Exception("file.execute",
1.166 misha 555: 0,
556: "output does not contain CGI header; "
557: "exit status=%d; stdoutsize=%u; stdout: \"%s\"; stderrsize=%u; stderr: \"%s\"",
558: execution.status,
1.165 misha 559: (size_t)file_out->length, (file_out->length) ? (file_out->str) : "",
560: (size_t)real_err->length(), real_err->cstr());
1.166 misha 561: break; //never reached
1.111 paf 562: }
563:
1.165 misha 564: size_t header_break_pos;
1.111 paf 565: if(unix_header_break) {
566: header_break_pos=unix_pos;
1.165 misha 567: eol_marker="\n";
568: eol_marker_size=1;
1.111 paf 569: } else {
570: header_break_pos=dos_pos;
1.165 misha 571: eol_marker="\r\n";
572: eol_marker_size=2;
1.111 paf 573: }
1.21 paf 574:
1.162 misha 575: file_out->str[header_break_pos] = 0;
576: String *header=new String(file_out->str, header_break_pos);
577: unsigned long headersize = header_break_pos+eol_marker_size*2;
578: file_out->str += headersize;
579: file_out->length -= headersize;
580:
1.164 misha 581: // $body
582: self.set(false/*not tainted*/, file_out->str, file_out->length);
583:
1.162 misha 584: // $fields << header
585: if(header && eol_marker) {
586: ArrayString rows;
587: size_t pos_after=0;
588: header->split(rows, pos_after, eol_marker);
589: Pass_cgi_header_attribute_info info={0, 0, 0};
590: info.charset=&r.charsets.source();
591: info.fields=&self.fields();
592: rows.for_each(pass_cgi_header_attribute, &info);
593: if(info.content_type)
594: self.fields().put(content_type_name, info.content_type);
595: }
1.164 misha 596: } else { // ^file::exec
1.166 misha 597: // $body
598: self.set(false/*not tainted*/, file_out->str, file_out->length);
1.164 misha 599: }
1.163 misha 600:
1.42 parser 601: // $status
1.111 paf 602: self.fields().put(file_status_name, new VInt(execution.status));
1.21 paf 603:
604: // $stderr
1.111 paf 605: if(real_err->length())
1.21 paf 606: self.fields().put(
1.119 paf 607: String::Body("stderr"),
1.111 paf 608: new VString(*real_err));
1.21 paf 609: }
1.111 paf 610: static void _exec(Request& r, MethodParams& params) {
611: _exec_cgi(r, params, false);
1.41 parser 612: }
1.111 paf 613: static void _cgi(Request& r, MethodParams& params) {
614: _exec_cgi(r, params, true);
1.41 parser 615: }
616:
1.111 paf 617: static void _list(Request& r, MethodParams& params) {
618: Value& relative_path=params.as_no_junction(0, "path must not be code");
1.47 parser 619:
1.184 misha 620: VRegex* vregex;
621: VRegexCleaner vrcleaner;
622: if(params.count()>1){
623: Value& regexp=params.as_no_junction(1, "regexp must not be code");
624: if(Value* value=regexp.as(VREGEX_TYPE, false)){
625: vregex=static_cast<VRegex*>(value);
626: } else {
627: vregex=new VRegex(r.charsets.source(), ®exp.as_string(), 0/*options*/);
1.186 ! misha 628: vregex->study();
1.184 misha 629: vrcleaner.vregex=vregex;
630: }
1.114 paf 631: } else {
1.184 misha 632: vregex=0;
1.114 paf 633: }
1.47 parser 634:
1.111 paf 635: const char* absolute_path_cstr=r.absolute(relative_path.as_string()).cstr(String::L_FILE_SPEC);
1.47 parser 636:
1.111 paf 637: Table::columns_type columns(new ArrayString);
638: *columns+=new String("name");
639: Table& table=*new Table(columns);
1.47 parser 640:
1.184 misha 641: const int ovector_size=(1/*match*/)*3;
642: int ovector[ovector_size];
643:
1.47 parser 644: LOAD_DIR(absolute_path_cstr,
1.111 paf 645: const char* file_name_cstr=ffblk.ff_name;
646: size_t file_name_size=strlen(file_name_cstr);
1.47 parser 647:
1.184 misha 648: if(!vregex || vregex->exec(ffblk.ff_name, file_name_size, ovector, ovector_size)>=0) {
1.111 paf 649: Table::element_type row(new ArrayString);
1.184 misha 650: *row+=new String(pa_strdup(file_name_cstr, file_name_size), file_name_size, true/*tainted*/);
1.111 paf 651: table+=row;
1.47 parser 652: }
653: );
654:
1.60 parser 655: // write out result
1.111 paf 656: r.write_no_lang(*new VTable(&table));
1.47 parser 657: }
1.21 paf 658:
1.69 paf 659: #ifndef DOXYGEN
660: struct Lock_execute_body_info {
1.111 paf 661: Request* r;
662: Value* body_code;
1.69 paf 663: };
664: #endif
1.111 paf 665: static void lock_execute_body(int , void *ainfo) {
666: Lock_execute_body_info& info=*static_cast<Lock_execute_body_info *>(ainfo);
1.69 paf 667: // execute body
1.78 paf 668: info.r->write_assign_lang(info.r->process(*info.body_code));
1.69 paf 669: };
1.111 paf 670: static void _lock(Request& r, MethodParams& params) {
1.152 misha 671: const String& file_spec=r.absolute(params.as_string(0, FILE_NAME_MUST_BE_STRING));
1.116 paf 672: Lock_execute_body_info info={
673: &r,
1.117 paf 674: ¶ms.as_junction(1, "body must be code")
1.116 paf 675: };
1.69 paf 676:
1.158 misha 677: file_write_action_under_lock(
678: file_spec,
679: "lock",
680: lock_execute_body,
681: &info);
1.69 paf 682: }
683:
1.111 paf 684: static int lastposafter(const String& s, size_t after, const char* substr, size_t substr_size, bool beforelast=false) {
1.114 paf 685: size_t size=0; // just to calm down compiler
1.89 paf 686: if(beforelast)
1.111 paf 687: size=s.length();
1.116 paf 688: size_t at;
1.112 paf 689: while((at=s.pos(String::Body(substr, substr_size), after))!=STRING_NOT_FOUND) {
1.89 paf 690: size_t newafter=at+substr_size/*skip substr*/;
691: if(beforelast && newafter==size)
692: break;
693: after=newafter;
694: }
695:
696: return after;
697: }
698:
1.111 paf 699: static void _find(Request& r, MethodParams& params) {
1.152 misha 700: const String& file_name=params.as_no_junction(0, FILE_NAME_MUST_NOT_BE_CODE).as_string();
1.111 paf 701: const String* file_spec;
1.90 paf 702: if(file_name.first_char()=='/')
703: file_spec=&file_name;
704: else
1.111 paf 705: file_spec=&r.relative(r.request_info.uri, file_name);
1.90 paf 706:
707: // easy way
1.142 paf 708: if(file_exist(r.absolute(*file_spec))) {
1.96 paf 709: r.write_assign_lang(*file_spec);
1.90 paf 710: return;
711: }
712:
713: // monkey way
714: int after_base_slash=lastposafter(*file_spec, 0, "/", 1);
1.111 paf 715: const String* dirname=&file_spec->mid(0, after_base_slash);
716: const String& basename=file_spec->mid(after_base_slash, file_spec->length());
1.90 paf 717:
718: int after_monkey_slash;
719: while((after_monkey_slash=lastposafter(*dirname, 0, "/", 1, true))>0) {
1.111 paf 720: String test_name;
721: test_name<<*(dirname=&dirname->mid(0, after_monkey_slash));
722: test_name<<basename;
1.142 paf 723: if(file_exist(r.absolute(test_name))) {
1.111 paf 724: r.write_assign_lang(test_name);
1.90 paf 725: return;
726: }
727: }
728:
729: // no way, not found
1.111 paf 730: if(params.count()==2) {
731: Value& not_found_code=params.as_junction(1, "not-found param must be code");
1.90 paf 732: r.write_pass_lang(r.process(not_found_code));
733: }
734: }
735:
1.111 paf 736: static void _dirname(Request& r, MethodParams& params) {
1.152 misha 737: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.180 misha 738: // /a/some.tar.gz > /a
1.89 paf 739: // /a/b/ > /a
740: int afterslash=lastposafter(file_spec, 0, "/", 1, true);
741: if(afterslash>0)
742: r.write_assign_lang(file_spec.mid(0, afterslash==1?1:afterslash-1));
743: else
1.111 paf 744: r.write_assign_lang(String(".", 1));
1.89 paf 745: }
746:
1.111 paf 747: static void _basename(Request& r, MethodParams& params) {
1.152 misha 748: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.180 misha 749: // /a/some.tar.gz > some.tar.gz
1.89 paf 750: int afterslash=lastposafter(file_spec, 0, "/", 1);
1.111 paf 751: r.write_assign_lang(file_spec.mid(afterslash, file_spec.length()));
1.89 paf 752: }
753:
1.111 paf 754: static void _justname(Request& r, MethodParams& params) {
1.152 misha 755: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.180 misha 756: // /a/some.tar.gz > some.tar
1.89 paf 757: int afterslash=lastposafter(file_spec, 0, "/", 1);
758: int afterdot=lastposafter(file_spec, afterslash, ".", 1);
1.111 paf 759: r.write_assign_lang(file_spec.mid(afterslash, afterdot!=afterslash?afterdot-1:file_spec.length()));
1.89 paf 760: }
1.111 paf 761: static void _justext(Request& r, MethodParams& params) {
1.152 misha 762: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.180 misha 763: // /a/some.tar.gz > gz
1.89 paf 764: int afterdot=lastposafter(file_spec, 0, ".", 1);
765: if(afterdot>0)
1.111 paf 766: r.write_assign_lang(file_spec.mid(afterdot, file_spec.length()));
1.89 paf 767: }
768:
1.111 paf 769: static void _fullpath(Request& r, MethodParams& params) {
1.152 misha 770: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.111 paf 771: const String* result;
1.102 paf 772: if(file_spec.first_char()=='/')
773: result=&file_spec;
774: else {
775: // /some/page.html: ^file:fullpath[a.gif] => /some/a.gif
776: const String& full_disk_path=r.absolute(file_spec);
1.111 paf 777: size_t document_root_length=strlen(r.request_info.document_root);
1.106 paf 778:
779: if(document_root_length>0) {
1.111 paf 780: char last_char=r.request_info.document_root[document_root_length-1];
1.106 paf 781: if(last_char == '/' || last_char == '\\')
782: --document_root_length;
783: }
1.111 paf 784: result=&full_disk_path.mid(document_root_length, full_disk_path.length());
1.102 paf 785: }
786: r.write_assign_lang(*result);
787: }
788:
1.121 paf 789: static void _sql_string(Request& r, MethodParams&) {
790: VFile& self=GET_SELF(r, VFile);
791:
792: const char *quoted=r.connection()->quote(self.value_ptr(), self.value_size());
793: r.write_assign_lang(*new String(quoted));
794: }
1.89 paf 795:
1.122 paf 796: #ifndef DOXYGEN
797: class File_sql_event_handlers: public SQL_Driver_query_event_handlers {
798: const String& statement_string; const char* statement_cstr;
799: int got_columns;
800: int got_cells;
801: public:
802: String::C value;
1.131 paf 803: const String* user_file_name;
804: const String* user_content_type;
1.122 paf 805: public:
806: File_sql_event_handlers(
807: const String& astatement_string, const char* astatement_cstr):
808: statement_string(astatement_string), statement_cstr(astatement_cstr),
809: got_columns(0),
810: got_cells(0),
811: user_file_name(0),
812: user_content_type(0) {}
813:
814: bool add_column(SQL_Error& error, const char* /*str*/, size_t /*length*/) {
815: if(got_columns++==3) {
1.156 misha 816: error=SQL_Error(PARSER_RUNTIME, "result must contain not more then 3 columns");
1.122 paf 817: return true;
818: }
819: return false;
820: }
821: bool before_rows(SQL_Error& /*error*/ ) { /* ignore */ return false; }
822: bool add_row(SQL_Error& /*error*/) { /* ignore */ return false; }
823: bool add_row_cell(SQL_Error& error, const char* str, size_t length) {
824: try {
825: switch(got_cells++) {
826: case 0:
827: value=String::C(str, length);
828: break;
829: case 1:
1.131 paf 830: if(!user_file_name) // user not specified?
831: user_file_name=new String(str, length, true);
1.122 paf 832: break;
833: case 2:
1.131 paf 834: if(!user_content_type) // user not specified?
835: user_content_type=new String(str, length, true);
1.122 paf 836: break;
837: default:
1.156 misha 838: error=SQL_Error(PARSER_RUNTIME, "result must not contain more then one row, three rows");
1.122 paf 839: return true;
840: }
841: return false;
842: } catch(...) {
843: error=SQL_Error("exception occured in File_sql_event_handlers::add_row_cell");
844: return true;
845: }
846: }
847: };
848: #endif
849: static void _sql(Request& r, MethodParams& params) {
1.131 paf 850: Value& statement=params.as_junction(0, "statement must be code");
1.122 paf 851:
852: Temp_lang temp_lang(r, String::L_SQL);
853: const String& statement_string=r.process_to_string(statement);
854: const char* statement_cstr=
855: statement_string.cstr(String::L_UNSPECIFIED, r.connection());
856: File_sql_event_handlers handlers(statement_string, statement_cstr);
1.131 paf 857:
1.173 misha 858: ulong limit=SQL_NO_LIMIT;
1.172 misha 859: ulong offset=0;
860:
1.131 paf 861: if(params.count()>1)
1.172 misha 862: if(HashStringValue* options=params.as_no_junction(1, PARAM_MUST_NOT_BE_CODE).get_hash()){
1.131 paf 863: int valid_options=0;
864: if(Value* vfilename=options->get(NAME_NAME)) {
865: valid_options++;
866: handlers.user_file_name=&vfilename->as_string();
867: }
868: if(Value* vcontent_type=options->get(CONTENT_TYPE_NAME)) {
869: valid_options++;
870: handlers.user_content_type=&vcontent_type->as_string();
871: }
1.173 misha 872: if(Value* vlimit=options->get(sql_limit_name)) {
873: valid_options++;
874: limit=(ulong)r.process_to_value(*vlimit).as_double();
875: }
1.172 misha 876: if(Value* voffset=options->get(sql_offset_name)) {
877: valid_options++;
878: offset=(ulong)r.process_to_value(*voffset).as_double();
879: }
1.131 paf 880: if(valid_options!=options->count())
1.156 misha 881: throw Exception(PARSER_RUNTIME,
1.131 paf 882: 0,
883: "called with invalid option");
884: }
885:
886:
1.122 paf 887: r.connection()->query(
1.123 paf 888: statement_cstr,
889: 0, 0,
1.173 misha 890: offset, limit,
1.122 paf 891: handlers,
892: statement_string);
893:
894: if(!handlers.value)
1.156 misha 895: throw Exception(PARSER_RUNTIME,
1.122 paf 896: 0,
897: "produced no result");
898:
1.131 paf 899: const char* user_file_name_cstr=handlers.user_file_name? handlers.user_file_name->cstr(): 0;
1.122 paf 900:
901: VString* vcontent_type=handlers.user_content_type?
902: new VString(*handlers.user_content_type)
903: : user_file_name_cstr?
904: new VString(r.mime_type_of(user_file_name_cstr))
905: : 0;
906: VFile& self=GET_SELF(r, VFile);
907: self.set(true/*tainted*/, handlers.value.str, handlers.value.length, user_file_name_cstr, vcontent_type);
908: }
1.140 paf 909:
1.139 paf 910: static void _base64(Request& r, MethodParams& params) {
1.151 misha 911: bool dynamic = !(&r.get_self() == file_class);
1.180 misha 912: if(dynamic){
913: VFile& self=GET_SELF(r, VFile);
914: if(params.count()) {
915: // decode: ^file::base64[encoded]
916: const char* cstr=params.as_string(0, PARAMETER_MUST_BE_STRING).cstr();
917: char* decoded=0;
918: size_t length=0;
919: pa_base64_decode(cstr, strlen(cstr), decoded, length);
920: if(decoded && length)
921: self.set(true/*tainted*/, decoded, length);
922: } else {
923: // encode: ^f.base64[]
924: const char* encoded=pa_base64_encode(self.value_ptr(), self.value_size());
925: r.write_assign_lang(*new String(encoded, 0, true/*tainted. once ?param=base64(something) was needed**/));
926: }
1.151 misha 927: } else {
1.180 misha 928: // encode: ^file:base64[filespec]
1.152 misha 929: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.151 misha 930: const char* encoded=pa_base64_encode(r.absolute(file_spec));
1.180 misha 931: r.write_assign_lang(*new String(encoded, 0, true/*tainted. once ?param=base64(something) was needed*/));
1.151 misha 932: }
1.139 paf 933: }
1.140 paf 934:
1.146 misha 935: static void _crc32(Request& r, MethodParams& params) {
936: unsigned long crc32 = 0;
937: if(&r.get_self() == file_class) {
938: // ^file:crc32[file-name]
939: if(params.count()) {
1.152 misha 940: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.146 misha 941: crc32=pa_crc32(r.absolute(file_spec));
942: } else {
1.156 misha 943: throw Exception(PARSER_RUNTIME,
1.146 misha 944: 0,
945: "file name must be defined");
946: }
947: } else {
948: // ^file.crc32[]
949: VFile& self=GET_SELF(r, VFile);
950: crc32=pa_crc32(self.value_ptr(), self.value_size());
951: }
952: r.write_no_lang(*new VInt(crc32));
953: }
954:
955:
1.147 misha 956: static void file_md5_file_action(
1.180 misha 957: struct stat& finfo,
958: int f,
959: const String& , const char* /*fname*/, bool,
960: void *context)
1.147 misha 961: {
962: PA_MD5_CTX& md5context=*static_cast<PA_MD5_CTX *>(context);
963: if(finfo.st_size) {
1.148 misha 964: int nCount=0;
1.147 misha 965: do {
966: unsigned char buffer[FILE_BUFFER_SIZE];
1.150 misha 967: nCount = file_block_read(f, buffer, sizeof(buffer));
1.147 misha 968: if ( nCount ){
969: pa_MD5Update(&md5context, (const unsigned char*)buffer, nCount);
970: }
1.148 misha 971: } while(nCount > 0);
1.147 misha 972: }
973: }
974:
975: const char* pa_md5(const String& file_spec)
976: {
977: PA_MD5_CTX context;
978: unsigned char digest[16];
979: pa_MD5Init(&context);
980: file_read_action_under_lock(file_spec, "md5", file_md5_file_action, &context);
981: pa_MD5Final(digest, &context);
982:
983: return hex_string(digest, sizeof(digest), false);
984: }
985:
986: const char* pa_md5(const char *in, size_t in_size)
987: {
988: PA_MD5_CTX context;
989: unsigned char digest[16];
990: pa_MD5Init(&context);
991: pa_MD5Update(&context, (const unsigned char*)in, in_size);
992: pa_MD5Final(digest, &context);
993:
994: return hex_string(digest, sizeof(digest), false);
995: }
996:
997: static void _md5(Request& r, MethodParams& params) {
998: const char* md5;
999: if(&r.get_self() == file_class) {
1000: // ^file:md5[file-name]
1001: if(params.count()) {
1.152 misha 1002: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.147 misha 1003: md5=pa_md5(r.absolute(file_spec));
1004: } else {
1.156 misha 1005: throw Exception(PARSER_RUNTIME,
1.147 misha 1006: 0,
1007: "file name must be defined");
1008: }
1009: } else {
1010: // ^file.md5[]
1011: VFile& self=GET_SELF(r, VFile);
1012: md5=pa_md5(self.value_ptr(), self.value_size());
1013:
1014: }
1015: r.write_no_lang(*new String(md5));
1016: }
1017:
1.32 paf 1018: // constructor
1019:
1.111 paf 1020: MFile::MFile(): Methoded("file") {
1.146 misha 1021: // ^file::create[text;user-name;string]
1022: // ^file::create[binary;user-name;SOMEDAY SOMETHING]
1.138 paf 1023: add_native_method("create", Method::CT_DYNAMIC, _create, 3, 3);
1024:
1.146 misha 1025: // ^file.save[mode;file-name]
1.48 parser 1026: add_native_method("save", Method::CT_DYNAMIC, _save, 2, 2);
1.7 paf 1027:
1.146 misha 1028: // ^file:delete[file-name]
1.32 paf 1029: add_native_method("delete", Method::CT_STATIC, _delete, 1, 1);
1.45 parser 1030:
1.146 misha 1031: // ^file:move[from-file-name;to-file-name]
1.45 parser 1032: add_native_method("move", Method::CT_STATIC, _move, 2, 2);
1.8 paf 1033:
1.146 misha 1034: // ^file::load[mode;disk-name]
1035: // ^file::load[mode;disk-name;user-name]
1.180 misha 1036: add_native_method("load", Method::CT_DYNAMIC, _load, 2, 4);
1.25 paf 1037:
1.146 misha 1038: // ^file::stat[disk-name]
1.32 paf 1039: add_native_method("stat", Method::CT_DYNAMIC, _stat, 1, 1);
1.21 paf 1040:
1.162 misha 1041: // ^file::cgi[mode;file-name]
1042: // ^file::cgi[mode;file-name;env hash]
1043: // ^file::cgi[mode;file-name;env hash;1cmd;2line;3ar;4g;5s]
1044: add_native_method("cgi", Method::CT_DYNAMIC, _cgi, 1, 3+50);
1045:
1046: // ^file::exec[mode;file-name]
1047: // ^file::exec[mode;file-name;env hash]
1048: // ^file::exec[mode;file-name;env hash;1cmd;2line;3ar;4g;5s]
1049: add_native_method("exec", Method::CT_DYNAMIC, _exec, 1, 3+50);
1.47 parser 1050:
1051: // ^file:list[path]
1052: // ^file:list[path][regexp]
1053: add_native_method("list", Method::CT_STATIC, _list, 1, 2);
1.69 paf 1054:
1055: // ^file:lock[path]{code}
1056: add_native_method("lock", Method::CT_STATIC, _lock, 2, 2);
1.90 paf 1057:
1.146 misha 1058: // ^file:find[file-name]
1059: // ^file:find[file-name]{when-not-found}
1.90 paf 1060: add_native_method("find", Method::CT_STATIC, _find, 1, 2);
1.47 parser 1061:
1.89 paf 1062: // ^file:dirname[/a/some.tar.gz]=/a
1063: // ^file:dirname[/a/b/]=/a
1064: add_native_method("dirname", Method::CT_STATIC, _dirname, 1, 1);
1065: // ^file:basename[/a/some.tar.gz]=some.tar.gz
1066: add_native_method("basename", Method::CT_STATIC, _basename, 1, 1);
1067: // ^file:justname[/a/some.tar.gz]=some.tar
1068: add_native_method("justname", Method::CT_STATIC, _justname, 1, 1);
1069: // ^file:justext[/a/some.tar.gz]=gz
1070: add_native_method("justext", Method::CT_STATIC, _justext, 1, 1);
1.102 paf 1071: // /some/page.html: ^file:fullpath[a.gif] => /some/a.gif
1072: add_native_method("fullpath", Method::CT_STATIC, _fullpath, 1, 1);
1.121 paf 1073:
1074: // ^file.sql-string[]
1075: add_native_method("sql-string", Method::CT_DYNAMIC, _sql_string, 0, 0);
1.122 paf 1076:
1077: // ^file::sql[[alt_name]]{}
1078: add_native_method("sql", Method::CT_DYNAMIC, _sql, 1, 2);
1.139 paf 1079:
1.146 misha 1080: // ^file::base64[string] << decode
1.139 paf 1081: // ^file.base64[] << encode
1.151 misha 1082: // ^file:base64[file-name] << encode
1083: add_native_method("base64", Method::CT_ANY, _base64, 0, 1);
1.146 misha 1084:
1085: // ^file.crc32[]
1086: // ^file:crc32[file-name]
1087: add_native_method("crc32", Method::CT_ANY, _crc32, 0, 1);
1.147 misha 1088:
1089: // ^file.md5[]
1090: // ^file:md5[file-name]
1091: add_native_method("md5", Method::CT_ANY, _md5, 0, 1);
1092:
1.148 misha 1093: // ^file:copy[from-file-name;to-file-name]
1094: add_native_method("copy", Method::CT_STATIC, _copy, 2, 2);
1.1 paf 1095: }
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