Annotation of parser3/src/classes/file.C, revision 1.250
1.17 paf 1: /** @file
2: Parser: @b file parser class.
3:
1.241 moko 4: Copyright (c) 2001-2015 Art. Lebedev Studio (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:
1.47 parser 8: #include "pa_config_includes.h"
9:
1.35 paf 10: #include "classes.h"
1.111 paf 11: #include "pa_vmethod_frame.h"
12:
1.1 paf 13: #include "pa_request.h"
14: #include "pa_vfile.h"
1.11 paf 15: #include "pa_table.h"
1.21 paf 16: #include "pa_vint.h"
1.24 paf 17: #include "pa_exec.h"
1.40 parser 18: #include "pa_vdate.h"
1.47 parser 19: #include "pa_dir.h"
20: #include "pa_vtable.h"
1.67 paf 21: #include "pa_charset.h"
1.109 paf 22: #include "pa_charsets.h"
1.121 paf 23: #include "pa_sql_connection.h"
1.147 misha 24: #include "pa_md5.h"
1.184 misha 25: #include "pa_vregex.h"
1.208 misha 26: #include "pa_version.h"
1.1 paf 27:
1.250 ! moko 28: volatile const char * IDENT_FILE_C="$Id: file.C,v 1.249 2016/09/08 20:41:47 moko Exp $";
1.218 moko 29:
1.32 paf 30: // defines
31:
1.90 paf 32: #define STDIN_EXEC_PARAM_NAME "stdin"
1.109 paf 33: #define CHARSET_EXEC_PARAM_NAME "charset"
1.48 parser 34:
1.131 paf 35: #define NAME_NAME "name"
1.224 misha 36: #define KEEP_EMPTY_DIRS_NAME "keep-empty-dirs"
1.225 misha 37: #define SUPPRESS_EXCEPTION_NAME "exception"
1.131 paf 38:
1.132 paf 39: // externs
40:
41: extern String sql_limit_name;
42: extern String sql_offset_name;
43:
1.227 moko 44: // helpers
45:
46: class File_list_table_template_columns: public ArrayString {
47: public:
48: File_list_table_template_columns() {
49: *this+=new String("name");
50: *this+=new String("dir");
51: *this+=new String("size");
52: *this+=new String("cdate");
53: *this+=new String("mdate");
54: *this+=new String("adate");
55: }
56: };
57:
58: Table file_list_table_template(new File_list_table_template_columns);
59:
1.111 paf 60: // class
61:
62: class MFile: public Methoded {
63: public: // VStateless_class
1.199 misha 64: Value* create_new_value(Pool&) { return new VFile(); }
1.111 paf 65: public:
66: MFile();
67: };
68:
69: // global variable
70:
1.242 moko 71: DECLARE_CLASS_VAR(file, new MFile);
1.111 paf 72:
1.83 paf 73: // consts
74:
75: /// from apache-1.3|src|support|suexec.c
1.111 paf 76: static const char* suexec_safe_env_lst[]={
1.83 paf 77: "AUTH_TYPE",
78: "CONTENT_LENGTH",
79: "CONTENT_TYPE",
80: "DATE_GMT",
81: "DATE_LOCAL",
82: "DOCUMENT_NAME",
83: "DOCUMENT_PATH_INFO",
84: "DOCUMENT_ROOT",
85: "DOCUMENT_URI",
86: "FILEPATH_INFO",
87: "GATEWAY_INTERFACE",
88: "LAST_MODIFIED",
89: "PATH_INFO",
90: "PATH_TRANSLATED",
91: "QUERY_STRING",
92: "QUERY_STRING_UNESCAPED",
93: "REMOTE_ADDR",
94: "REMOTE_HOST",
95: "REMOTE_IDENT",
96: "REMOTE_PORT",
97: "REMOTE_USER",
98: "REDIRECT_QUERY_STRING",
99: "REDIRECT_STATUS",
100: "REDIRECT_URL",
101: "REQUEST_METHOD",
102: "REQUEST_URI",
103: "SCRIPT_FILENAME",
104: "SCRIPT_NAME",
105: "SCRIPT_URI",
106: "SCRIPT_URL",
107: "SERVER_ADMIN",
108: "SERVER_NAME",
109: "SERVER_ADDR",
110: "SERVER_PORT",
111: "SERVER_PROTOCOL",
112: "SERVER_SOFTWARE",
113: "UNIQUE_ID",
114: "USER_NAME",
115: "TZ",
116: NULL
117: };
118:
1.111 paf 119: // statics
1.33 paf 120:
1.112 paf 121: static const String::Body adate_name("adate");
122: static const String::Body mdate_name("mdate");
123: static const String::Body cdate_name("cdate");
1.32 paf 124:
1.1 paf 125: // methods
126:
1.111 paf 127: static void _save(Request& r, MethodParams& params) {
1.215 misha 128: bool is_text=VFile::is_text_mode(params.as_string(0, MODE_MUST_NOT_BE_CODE));
1.152 misha 129: Value& vfile_name=params.as_no_junction(1, FILE_NAME_MUST_NOT_BE_CODE);
1.4 paf 130:
1.201 misha 131: Charset* asked_charset=0;
132: if(params.count()>2)
1.214 misha 133: if(HashStringValue* options=params.as_hash(2)){
1.202 misha 134: int valid_options=0;
1.201 misha 135: if(Value* vcharset_name=options->get(PA_CHARSET_NAME)){
1.244 moko 136: asked_charset=&::charsets.get(vcharset_name->as_string());
1.201 misha 137: valid_options++;
138: }
139: if(valid_options != options->count())
1.207 misha 140: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
1.201 misha 141: }
142:
1.7 paf 143: // save
1.201 misha 144: GET_SELF(r, VFile).save(r.charsets, r.absolute(vfile_name.as_string()), is_text, asked_charset);
1.7 paf 145: }
146:
1.111 paf 147: static void _delete(Request& r, MethodParams& params) {
1.215 misha 148: const String& file_name=params.as_string(0, FILE_NAME_MUST_NOT_BE_CODE);
1.224 misha 149: bool keep_empty_dirs=false;
1.225 misha 150: bool fail_on_problem=true;
1.224 misha 151:
152: if(params.count()>1)
153: if(HashStringValue* options=params.as_hash(1)){
154: int valid_options=0;
155: if(Value* vkeep_empty_dirs=options->get(KEEP_EMPTY_DIRS_NAME)){
156: keep_empty_dirs=r.process_to_value(*vkeep_empty_dirs).as_bool();
157: valid_options++;
158: }
1.225 misha 159: if(Value* vsuppress_exception=options->get(SUPPRESS_EXCEPTION_NAME)){
160: fail_on_problem=r.process_to_value(*vsuppress_exception).as_bool();
161: valid_options++;
162: }
1.224 misha 163: if(valid_options != options->count())
164: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
165: }
1.7 paf 166:
167: // unlink
1.225 misha 168: file_delete(r.absolute(file_name), fail_on_problem, keep_empty_dirs);
1.1 paf 169: }
170:
1.111 paf 171: static void _move(Request& r, MethodParams& params) {
172: Value& vfrom_file_name=params.as_no_junction(0, "from file name must not be code");
173: Value& vto_file_name=params.as_no_junction(1, "to file name must not be code");
1.224 misha 174: bool keep_empty_dirs=false;
175:
176: if(params.count()>2)
177: if(HashStringValue* options=params.as_hash(2)){
178: int valid_options=0;
179: if(Value* vkeep_empty_dirs=options->get(KEEP_EMPTY_DIRS_NAME)){
180: keep_empty_dirs=r.process_to_value(*vkeep_empty_dirs).as_bool();
181: valid_options++;
182: }
183: if(valid_options != options->count())
184: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
185: }
1.45 parser 186:
1.51 parser 187: // move
1.68 paf 188: file_move(
1.45 parser 189: r.absolute(vfrom_file_name.as_string()),
1.224 misha 190: r.absolute(vto_file_name.as_string()),
191: keep_empty_dirs);
1.45 parser 192: }
193:
1.243 moko 194: static void copy_process_source(struct stat& , int from_file, const String&, void *context) {
1.148 misha 195: int& to_file=*static_cast<int *>(context);
196:
197: int nCount=0;
198: do {
199: unsigned char buffer[FILE_BUFFER_SIZE];
1.150 misha 200: nCount = file_block_read(from_file, buffer, sizeof(buffer));
1.148 misha 201: int written=write(to_file, buffer, nCount);
202: if( written < 0 )
1.179 misha 203: throw Exception("file.access",
1.148 misha 204: 0,
205: "write failed: %s (%d)", strerror(errno), errno);
206:
207: } while(nCount > 0);
208: }
209:
210: static void copy_open_target(int f, void *from_spec) {
211: String& file_spec=*static_cast<String *>(from_spec);
212: file_read_action_under_lock(file_spec, "copy", copy_process_source, &f);
1.235 moko 213: }
1.148 misha 214:
215: static void _copy(Request& r, MethodParams& params) {
216: Value& vfrom_file_name=params.as_no_junction(0, "from file name must not be code");
217: Value& vto_file_name=params.as_no_junction(1, "to file name must not be code");
218:
219: String from_spec = r.absolute(vfrom_file_name.as_string());
220: const String& to_spec = r.absolute(vto_file_name.as_string());
221:
222: file_write_action_under_lock(
223: to_spec,
224: "copy",
225: copy_open_target,
1.149 misha 226: &from_spec);
1.148 misha 227: }
228:
1.111 paf 229: static void _load_pass_param(
1.180 misha 230: HashStringValue::key_type key,
231: HashStringValue::value_type value,
232: HashStringValue *dest) {
1.111 paf 233: dest->put(key, value);
234: }
1.180 misha 235:
1.111 paf 236: static void _load(Request& r, MethodParams& params) {
1.215 misha 237: bool as_text=VFile::is_text_mode(params.as_string(0, MODE_MUST_NOT_BE_CODE));
238: const String& lfile_name=r.absolute(params.as_string(1, FILE_NAME_MUST_NOT_BE_CODE));
1.9 paf 239:
1.180 misha 240: size_t param_index=params.count()-1;
1.215 misha 241: Value* param_value=param_index>1?¶ms.as_no_junction(param_index, "file name or options must not be code"):0;
1.180 misha 242:
1.183 misha 243: HashStringValue* options=0;
1.215 misha 244: const String* user_file_name=0;
1.183 misha 245:
246: if(param_value){
247: options=param_value->get_hash();
248: if(options || param_index>2)
249: param_index--;
250: if(param_index>1){
251: const String& luser_file_name=params.as_string(param_index, FILE_NAME_MUST_BE_STRING);
252: if(!luser_file_name.is_empty())
1.215 misha 253: user_file_name=&luser_file_name;
1.183 misha 254: }
255: }
256: if(!user_file_name)
1.215 misha 257: user_file_name=&lfile_name;
1.180 misha 258:
1.132 paf 259: size_t offset=0;
260: size_t limit=0;
1.183 misha 261:
1.180 misha 262: if(options){
1.132 paf 263: options=new HashStringValue(*options);
1.180 misha 264: if(Value *voffset=(Value *)options->get(sql_offset_name)){
1.132 paf 265: offset=r.process_to_value(*voffset).as_int();
266: }
1.180 misha 267: if(Value *vlimit=(Value *)options->get(sql_limit_name)){
1.132 paf 268: limit=r.process_to_value(*vlimit).as_int();
269: }
270: // no check on options count here, see file_read
271: }
1.182 misha 272: File_read_result file=file_load(r, lfile_name,
1.180 misha 273: as_text, options, true, 0, offset, limit
1.104 paf 274: );
1.9 paf 275:
1.111 paf 276: Value* vcontent_type=0;
1.168 misha 277: if(file.headers){
1.181 misha 278: if(Value* remote_content_type=file.headers->get(HTTP_CONTENT_TYPE_UPPER))
1.129 paf 279: vcontent_type=new VString(*new String(remote_content_type->as_string().cstr()));
280: }
1.221 misha 281:
1.111 paf 282: VFile& self=GET_SELF(r, VFile);
1.221 misha 283: self.set(true/*tainted*/, as_text, file.str, file.length, user_file_name, vcontent_type, &r);
1.194 misha 284:
1.168 misha 285: if(file.headers){
1.143 paf 286: file.headers->for_each<HashStringValue*>(_load_pass_param, &self.fields());
1.168 misha 287: } else {
288: size_t size;
289: time_t atime, mtime, ctime;
290:
1.169 misha 291: file_stat(lfile_name, size, atime, mtime, ctime);
1.168 misha 292:
293: HashStringValue& ff=self.fields();
1.237 moko 294: ff.put(adate_name, new VDate((pa_time_t)atime));
295: ff.put(mdate_name, new VDate((pa_time_t)mtime));
296: ff.put(cdate_name, new VDate((pa_time_t)ctime));
1.168 misha 297: }
1.9 paf 298: }
299:
1.138 paf 300: static void _create(Request& r, MethodParams& params) {
1.215 misha 301: const String* mode=0;
302: const String* file_name=0;
303: bool is_text=true;
304:
305: // new format: ^file::create[string-or-file-content[;$.mode[text|binary] $.name[...] $.content-type[...] $.charset[...] ]]
306: size_t content_index=0;
307: size_t options_index=1;
308: bool extended_options=true;
309:
310: if(params.count()>=3){
311: // old format: ^file::create[text|binary;file-name;string-or-file-content[;options]]
312: mode=¶ms.as_string(0, MODE_MUST_NOT_BE_CODE);
313: is_text=VFile::is_text_mode(*mode);
314: file_name=¶ms.as_string(1, FILE_NAME_MUST_NOT_BE_CODE);
315: content_index=2;
316: options_index=3;
317: extended_options=false;
318: }
1.203 misha 319:
1.211 misha 320: VString* vcontent_type=0;
1.245 moko 321: Charset* to_charset=0;
322: Charset* from_charset=0;
1.215 misha 323: if(params.count()>options_index)
324: if(HashStringValue* options=params.as_hash(options_index)) {
1.203 misha 325: int valid_options=0;
1.215 misha 326: if(extended_options) {
327: if(Value* vmode=options->get(MODE_NAME)) {
328: mode=&vmode->as_string();
329: is_text=VFile::is_text_mode(*mode);
330: valid_options++;
331: }
332: if(Value* vfile_name=options->get(NAME_NAME)) {
333: file_name=&vfile_name->as_string();
334: valid_options++;
335: }
336: }
1.245 moko 337: if(Value* vcharset_name=options->get("to-charset")) {
338: to_charset=&::charsets.get(vcharset_name->as_string());
339: valid_options++;
340: }
341: if(Value* vcharset_name=options->get("from-charset")) {
342: from_charset=&::charsets.get(vcharset_name->as_string());
343: valid_options++;
344: }
1.215 misha 345: if(Value* vcharset_name=options->get(PA_CHARSET_NAME)) {
1.245 moko 346: if(to_charset)
347: throw Exception(PARSER_RUNTIME, 0, "charset option can not be used with to-charset");
348: to_charset=&::charsets.get(vcharset_name->as_string());
1.203 misha 349: valid_options++;
350: }
1.211 misha 351: if(Value* value=options->get(CONTENT_TYPE_NAME)) {
352: vcontent_type=new VString(value->as_string());
353: valid_options++;
354: }
1.203 misha 355: if(valid_options != options->count())
1.207 misha 356: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
1.215 misha 357: }
1.211 misha 358:
1.215 misha 359: Value& vcontent=params.as_no_junction(content_index, "content must be string or file");
1.203 misha 360:
1.138 paf 361: VFile& self=GET_SELF(r, VFile);
1.194 misha 362:
1.215 misha 363: if(const String* content_str=vcontent.get_string()){
1.229 moko 364: String::Body body=content_str->cstr_to_string_body_untaint(String::L_AS_IS, r.connection(false), &r.charsets); // explode content, honor tainting changes
1.222 moko 365: self.set(true/*tainted*/, is_text, body.cstrm(), body.length(), file_name, vcontent_type, &r);
1.215 misha 366: } else {
1.245 moko 367: VFile& fcontent=*vcontent.as_vfile(String::L_AS_IS); // can't be null
1.248 moko 368: if(mode){
369: self.set(fcontent, &is_text, file_name, vcontent_type, &r);
370: if(is_text && !fcontent.is_text_mode())
371: from_charset=self.detect_binary_charset(from_charset);
372: } else {
373: self.set(fcontent, 0, file_name, vcontent_type, &r);
374: is_text=fcontent.is_text_mode();
375: }
1.215 misha 376: }
377:
1.245 moko 378: if(to_charset || from_charset)
379: if(is_text)
380: self.transcode(from_charset ? *from_charset : r.charsets.source(), to_charset ? *to_charset : r.charsets.source());
381: else
382: throw Exception(PARSER_RUNTIME, 0, "charset options can not be used with binary content");
1.138 paf 383: }
384:
1.111 paf 385: static void _stat(Request& r, MethodParams& params) {
1.215 misha 386: const String& lfile_name=params.as_string(0, FILE_NAME_MUST_NOT_BE_CODE);
1.25 paf 387:
1.40 parser 388: size_t size;
389: time_t atime, mtime, ctime;
1.245 moko 390: file_stat(r.absolute(lfile_name), size, atime, mtime, ctime);
1.25 paf 391:
1.111 paf 392: VFile& self=GET_SELF(r, VFile);
1.167 misha 393:
1.222 moko 394: self.set_binary(true/*tainted*/, 0/*no bytes*/, size, &lfile_name, 0, &r);
1.111 paf 395: HashStringValue& ff=self.fields();
1.237 moko 396: ff.put(adate_name, new VDate((pa_time_t)atime));
397: ff.put(mdate_name, new VDate((pa_time_t)mtime));
398: ff.put(cdate_name, new VDate((pa_time_t)ctime));
1.25 paf 399: }
400:
1.111 paf 401: static bool is_safe_env_key(const char* key) {
402: for(const char* validator=key; *validator; validator++) {
403: char c=*validator;
1.234 moko 404: if(!( (c>='A' && c<='Z') || (c>='0' && c<='9') || (c=='_' || c=='-') ))
1.111 paf 405: return false;
406: }
1.205 pretende 407: #ifdef PA_SAFE_MODE
1.88 paf 408: if(strncasecmp(key, "HTTP_", 5)==0)
1.83 paf 409: return true;
1.87 paf 410: if(strncasecmp(key, "CGI_", 4)==0)
1.83 paf 411: return true;
412: for(int i=0; suexec_safe_env_lst[i]; i++) {
1.87 paf 413: if(strcasecmp(key, suexec_safe_env_lst[i])==0)
1.83 paf 414: return true;
415: }
416: return false;
1.205 pretende 417: #else
418: return true;
419: #endif
1.83 paf 420: }
1.90 paf 421: #ifndef DOXYGEN
422: struct Append_env_pair_info {
1.141 paf 423: Request_charsets* charsets;
1.111 paf 424: HashStringString* env;
1.100 paf 425: Value* vstdin;
1.90 paf 426: };
427: #endif
1.111 paf 428: static void append_env_pair(
1.180 misha 429: HashStringValue::key_type akey,
430: HashStringValue::value_type avalue,
431: Append_env_pair_info *info) {
1.111 paf 432: if(akey==STDIN_EXEC_PARAM_NAME) {
433: info->vstdin=avalue;
434: } else if(akey==CHARSET_EXEC_PARAM_NAME) {
1.141 paf 435: // ignore, already processed
1.90 paf 436: } else {
1.111 paf 437: if(!is_safe_env_key(akey.cstr()))
1.156 misha 438: throw Exception(PARSER_RUNTIME,
1.111 paf 439: new String(akey, String::L_TAINTED),
1.90 paf 440: "not safe environment variable");
1.196 misha 441: info->env->put(akey, avalue->as_string().cstr_to_string_body_untaint(String::L_AS_IS, 0, info->charsets));
1.90 paf 442: }
1.22 paf 443: }
1.94 paf 444: #ifndef DOXYGEN
445: struct Pass_cgi_header_attribute_info {
1.111 paf 446: Charset* charset;
447: HashStringValue* fields;
448: Value* content_type;
1.94 paf 449: };
450: #endif
1.111 paf 451: static void pass_cgi_header_attribute(
1.180 misha 452: ArrayString::element_type astring,
453: Pass_cgi_header_attribute_info* info) {
1.111 paf 454: size_t colon_pos=astring->pos(':');
1.130 paf 455: if(colon_pos!=STRING_NOT_FOUND) {
1.111 paf 456: const String& key=astring->mid(0, colon_pos).change_case(
457: *info->charset, String::CC_UPPER);
1.130 paf 458: Value* value=new VString(astring->mid(colon_pos+1, astring->length()).trim());
1.111 paf 459: info->fields->put(key, value);
1.181 misha 460: if(key==HTTP_CONTENT_TYPE_UPPER)
1.111 paf 461: info->content_type=value;
1.94 paf 462: }
1.29 paf 463: }
1.155 misha 464:
465: static void append_to_argv(Request& r, ArrayString& argv, const String* str){
1.187 misha 466: if(!str->is_empty())
1.229 moko 467: argv+=new String(str->cstr_to_string_body_untaint(String::L_AS_IS, r.connection(false), &r.charsets), String::L_AS_IS);
1.155 misha 468: }
469:
1.90 paf 470: /// @todo fix `` in perl - they produced flipping consoles and no output to perl
1.194 misha 471: static void _exec_cgi(Request& r, MethodParams& params, bool cgi) {
1.215 misha 472: bool is_text=true;
1.194 misha 473: size_t param_index=0;
1.215 misha 474: const String& mode=params.as_string(0, FIRST_ARG_MUST_NOT_BE_CODE);
475: if(VFile::is_valid_mode(mode)) {
476: is_text=VFile::is_text_mode(mode);
1.194 misha 477: param_index++;
1.162 misha 478: }
479:
480: if(param_index>=params.count())
1.215 misha 481: throw Exception(PARSER_RUNTIME, 0, FILE_NAME_MUST_BE_SPECIFIED);
1.162 misha 482:
1.215 misha 483: const String& script_name=r.absolute(params.as_string(param_index++, FILE_NAME_MUST_NOT_BE_CODE));
1.23 paf 484:
1.111 paf 485: HashStringString env;
1.239 moko 486: #define ECSTR(name, value_cstr) if(value_cstr) env.put(#name, value_cstr);
1.233 moko 487: // passing environment
488: for(SAPI::Env::Iterator i(r.sapi_info); i; i.next() )
1.239 moko 489: env.put(i.key(), i.value() );
1.82 paf 490:
1.23 paf 491: // const
1.63 paf 492: ECSTR(GATEWAY_INTERFACE, "CGI/1.1");
1.231 moko 493: ECSTR(PARSER_VERSION, PARSER_VERSION);
1.23 paf 494: // from Request.info
1.111 paf 495: ECSTR(DOCUMENT_ROOT, r.request_info.document_root);
496: ECSTR(PATH_TRANSLATED, r.request_info.path_translated);
497: ECSTR(REQUEST_METHOD, r.request_info.method);
498: ECSTR(QUERY_STRING, r.request_info.query_string);
499: ECSTR(REQUEST_URI, r.request_info.uri);
500: ECSTR(CONTENT_TYPE, r.request_info.content_type);
1.200 misha 501: ECSTR(CONTENT_LENGTH, format(r.request_info.content_length, "%u"));
1.82 paf 502: // SCRIPT_*
1.240 moko 503: env.put("SCRIPT_NAME", script_name);
1.23 paf 504:
1.90 paf 505: // environment & stdin from param
1.111 paf 506: String *in=new String();
1.109 paf 507: Charset *charset=0; // default script works raw_in 'source' charset = no transcoding needed
1.162 misha 508: if(param_index < params.count()) {
1.220 misha 509: if(HashStringValue* user_env=params.as_hash(param_index++, "env")) {
1.141 paf 510: // $.charset [previewing to handle URI pieces]
511: if(Value* vcharset=user_env->get(CHARSET_EXEC_PARAM_NAME))
1.244 moko 512: charset=&charsets.get(vcharset->as_string());
1.141 paf 513:
514: // $.others
515: Append_env_pair_info info={&r.charsets, &env, 0};
516: {
1.144 paf 517: // influence tainting
518: // main target -- $.QUERY_STRING -- URLencoding of tainted pieces to String::L_URI lang
1.141 paf 519: Temp_client_charset temp(r.charsets, charset? *charset: r.charsets.source());
1.143 paf 520: user_env->for_each<Append_env_pair_info*>(append_env_pair, &info);
1.141 paf 521: }
1.109 paf 522: // $.stdin
1.103 paf 523: if(info.vstdin) {
1.111 paf 524: if(const String* sstdin=info.vstdin->get_string()) {
1.213 moko 525: // untaint stdin
1.229 moko 526: in = new String(sstdin->cstr_to_string_body_untaint(String::L_AS_IS, r.connection(false), &r.charsets), String::L_AS_IS);
1.103 paf 527: } else
1.199 misha 528: if(VFile* vfile=static_cast<VFile *>(info.vstdin->as("file")))
1.111 paf 529: in->append_know_length((const char* )vfile->value_ptr(), vfile->value_size(), String::L_TAINTED);
1.100 paf 530: else
1.156 misha 531: throw Exception(PARSER_RUNTIME,
1.111 paf 532: 0,
1.100 paf 533: STDIN_EXEC_PARAM_NAME " parameter must be string or file");
1.103 paf 534: }
1.90 paf 535: }
1.21 paf 536: }
537:
1.90 paf 538: // argv from params
1.111 paf 539: ArrayString argv;
1.162 misha 540: if(param_index < params.count()) {
1.180 misha 541: // influence tainting
542: Temp_client_charset temp(r.charsets, charset? *charset: r.charsets.source());
1.154 misha 543:
1.162 misha 544: for(size_t i=param_index; i<params.count(); i++) {
1.161 misha 545: Value& param=params.as_no_junction(i, PARAM_MUST_NOT_BE_CODE);
1.154 misha 546: if(param.is_defined()){
547: if(param.is_string()){
1.155 misha 548: append_to_argv(r, argv, param.get_string());
1.154 misha 549: } else {
1.155 misha 550: Table* table=param.get_table();
551: if(table){
1.250 ! moko 552: for(size_t j=0; j<table->count(); j++)
! 553: append_to_argv(r, argv, table->get(j)->get(0));
1.154 misha 554: } else {
1.250 ! moko 555: throw Exception(PARSER_RUNTIME, 0, "param must be string or table");
1.154 misha 556: }
557: }
1.145 misha 558: }
1.144 paf 559: }
1.21 paf 560: }
1.90 paf 561:
1.109 paf 562: // transcode if necessary
563: if(charset) {
1.111 paf 564: Charset::transcode(env, r.charsets.source(), *charset);
565: Charset::transcode(argv, r.charsets.source(), *charset);
566: in=&Charset::transcode(*in, r.charsets.source(), *charset);
567: }
568: // @todo
569: // ifdef WIN32 do OEM->ANSI transcode on some(.cmd?) programs to
570: // match silent conversion in OS
571:
572: // exec!
1.163 misha 573: PA_exec_result execution=pa_exec(false/*forced_allow*/, script_name, &env, argv, *in);
1.111 paf 574:
1.162 misha 575: File_read_result *file_out=&execution.out;
1.111 paf 576: String *real_err=&execution.err;
1.162 misha 577:
1.165 misha 578: // transcode err if necessary (@todo: need fix line breaks in err as well )
579: if(charset)
580: real_err=&Charset::transcode(*real_err, *charset, r.charsets.source());
581:
1.215 misha 582: if(file_out->length && is_text){
1.162 misha 583: fix_line_breaks(file_out->str, file_out->length);
584: // treat output as string
1.188 misha 585: String *real_out = new String(file_out->str);
1.162 misha 586:
1.165 misha 587: // transcode out if necessary
588: if(charset)
1.162 misha 589: real_out=&Charset::transcode(*real_out, *charset, r.charsets.source());
1.165 misha 590:
1.162 misha 591: // FIXME: unsafe cast
1.163 misha 592: file_out->str=const_cast<char *>(real_out->cstr()); // hacking a little
1.162 misha 593: file_out->length = real_out->length();
1.109 paf 594: }
595:
1.111 paf 596: VFile& self=GET_SELF(r, VFile);
1.109 paf 597:
1.162 misha 598: if(cgi) { // ^file::cgi
1.163 misha 599: const char* eol_marker=0;
600: size_t eol_marker_size;
601:
1.111 paf 602: // construct with 'out' body and header
1.165 misha 603: size_t dos_pos=(file_out->length)?strpos(file_out->str, "\r\n\r\n"):STRING_NOT_FOUND;
604: size_t unix_pos=(file_out->length)?strpos(file_out->str, "\n\n"):STRING_NOT_FOUND;
1.111 paf 605:
606: bool unix_header_break;
607: switch((dos_pos!=STRING_NOT_FOUND?10:00) + (unix_pos!=STRING_NOT_FOUND?01:00)) {
1.166 misha 608: case 10: // dos
609: unix_header_break=false;
610: break;
611: case 01: // unix
612: unix_header_break=true;
613: break;
614: case 11: // dos & unix
615: unix_header_break=unix_pos<dos_pos;
616: break;
617: default: // 00
618: unix_header_break=false; // calm down, compiler
1.179 misha 619: throw Exception("file.execute",
1.166 misha 620: 0,
621: "output does not contain CGI header; "
622: "exit status=%d; stdoutsize=%u; stdout: \"%s\"; stderrsize=%u; stderr: \"%s\"",
623: execution.status,
1.194 misha 624: file_out->length, (file_out->length) ? (file_out->str) : "",
625: real_err->length(), real_err->cstr());
1.166 misha 626: break; //never reached
1.111 paf 627: }
628:
1.165 misha 629: size_t header_break_pos;
1.111 paf 630: if(unix_header_break) {
631: header_break_pos=unix_pos;
1.165 misha 632: eol_marker="\n";
633: eol_marker_size=1;
1.111 paf 634: } else {
635: header_break_pos=dos_pos;
1.165 misha 636: eol_marker="\r\n";
637: eol_marker_size=2;
1.111 paf 638: }
1.21 paf 639:
1.162 misha 640: file_out->str[header_break_pos] = 0;
1.188 misha 641: String *header=new String(file_out->str);
1.162 misha 642: unsigned long headersize = header_break_pos+eol_marker_size*2;
643: file_out->str += headersize;
644: file_out->length -= headersize;
645:
1.164 misha 646: // $body
1.221 misha 647: self.set(false/*not tainted*/, is_text, file_out->str, file_out->length);
1.164 misha 648:
1.162 misha 649: // $fields << header
1.194 misha 650: if(header) {
1.162 misha 651: ArrayString rows;
1.249 moko 652: header->split(rows, 0, eol_marker);
1.162 misha 653: Pass_cgi_header_attribute_info info={0, 0, 0};
654: info.charset=&r.charsets.source();
655: info.fields=&self.fields();
656: rows.for_each(pass_cgi_header_attribute, &info);
657: if(info.content_type)
658: self.fields().put(content_type_name, info.content_type);
659: }
1.164 misha 660: } else { // ^file::exec
1.166 misha 661: // $body
1.221 misha 662: self.set(false/*not tainted*/, is_text, file_out->str, file_out->length);
1.164 misha 663: }
1.163 misha 664:
1.42 parser 665: // $status
1.111 paf 666: self.fields().put(file_status_name, new VInt(execution.status));
1.21 paf 667:
668: // $stderr
1.187 misha 669: if(!real_err->is_empty())
1.240 moko 670: self.fields().put("stderr", new VString(*real_err));
1.21 paf 671: }
1.111 paf 672: static void _exec(Request& r, MethodParams& params) {
673: _exec_cgi(r, params, false);
1.41 parser 674: }
1.111 paf 675: static void _cgi(Request& r, MethodParams& params) {
676: _exec_cgi(r, params, true);
1.41 parser 677: }
678:
1.111 paf 679: static void _list(Request& r, MethodParams& params) {
680: Value& relative_path=params.as_no_junction(0, "path must not be code");
1.47 parser 681:
1.227 moko 682: bool stat=false;
1.191 misha 683: VRegex* vregex=0;
1.184 misha 684: VRegexCleaner vrcleaner;
1.227 moko 685:
1.184 misha 686: if(params.count()>1){
1.227 moko 687: Value& voption=params.as_no_junction(1, "option must not be code");
688: if(voption.is_defined()) {
689: Value* vfilter=0;
690: if(HashStringValue* options=voption.get_hash()) {
691: int valid_options=0;
692: if(Value* vstat=options->get("stat")) {
693: stat=r.process_to_value(*vstat).as_bool();
694: valid_options++;
695: }
696: if(Value* value=options->get("filter")) {
697: vfilter=value;
1.230 moko 698: valid_options++;
1.227 moko 699: }
700: if(valid_options!=options->count())
701: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
1.191 misha 702: } else {
1.227 moko 703: vfilter=&voption;
704: }
1.234 moko 705: if(vfilter) {
1.227 moko 706: if(Value* value=vfilter->as(VREGEX_TYPE)) {
707: vregex=static_cast<VRegex*>(value);
708: } else if(vfilter->is_string()) {
709: if(!vfilter->get_string()->trim().is_empty()) {
710: vregex=new VRegex(r.charsets.source(), &vfilter->as_string(), 0/*options*/);
1.234 moko 711: vregex->study();
712: vrcleaner.vregex=vregex;
713: }
1.227 moko 714: } else {
715: throw Exception(PARSER_RUNTIME, 0, "filter must be regex or string");
716: }
1.234 moko 717: }
1.184 misha 718: }
1.114 paf 719: }
1.47 parser 720:
1.196 misha 721: const char* absolute_path_cstr=r.absolute(relative_path.as_string()).taint_cstr(String::L_FILE_SPEC);
1.47 parser 722:
1.227 moko 723: Table::Action_options table_options;
724: Table& table=*new Table(file_list_table_template, table_options);
1.47 parser 725:
1.184 misha 726: const int ovector_size=(1/*match*/)*3;
727: int ovector[ovector_size];
728:
1.47 parser 729: LOAD_DIR(absolute_path_cstr,
1.111 paf 730: const char* file_name_cstr=ffblk.ff_name;
731: size_t file_name_size=strlen(file_name_cstr);
1.47 parser 732:
1.184 misha 733: if(!vregex || vregex->exec(ffblk.ff_name, file_name_size, ovector, ovector_size)>=0) {
1.111 paf 734: Table::element_type row(new ArrayString);
1.190 misha 735: *row+=new String(pa_strdup(file_name_cstr, file_name_size), String::L_TAINTED);
1.236 moko 736: *row+=new String(String::Body::Format(ffblk.is_dir(stat) ? 1 : 0), String::L_CLEAN);
1.227 moko 737: if(stat) {
738: *row+=VDouble(ffblk.size()).get_string();
1.232 misha 739: *row+=new String(String::Body::Format((int)ffblk.c_timestamp()), String::L_CLEAN);
740: *row+=new String(String::Body::Format((int)ffblk.m_timestamp()), String::L_CLEAN);
741: *row+=new String(String::Body::Format((int)ffblk.a_timestamp()), String::L_CLEAN);
1.227 moko 742: }
1.111 paf 743: table+=row;
1.47 parser 744: }
745: );
746:
1.60 parser 747: // write out result
1.111 paf 748: r.write_no_lang(*new VTable(&table));
1.47 parser 749: }
1.21 paf 750:
1.69 paf 751: #ifndef DOXYGEN
752: struct Lock_execute_body_info {
1.111 paf 753: Request* r;
754: Value* body_code;
1.69 paf 755: };
756: #endif
1.235 moko 757:
1.111 paf 758: static void lock_execute_body(int , void *ainfo) {
759: Lock_execute_body_info& info=*static_cast<Lock_execute_body_info *>(ainfo);
1.69 paf 760: // execute body
1.78 paf 761: info.r->write_assign_lang(info.r->process(*info.body_code));
1.235 moko 762: }
763:
1.111 paf 764: static void _lock(Request& r, MethodParams& params) {
1.152 misha 765: const String& file_spec=r.absolute(params.as_string(0, FILE_NAME_MUST_BE_STRING));
1.116 paf 766: Lock_execute_body_info info={
767: &r,
1.117 paf 768: ¶ms.as_junction(1, "body must be code")
1.116 paf 769: };
1.69 paf 770:
1.158 misha 771: file_write_action_under_lock(
772: file_spec,
773: "lock",
774: lock_execute_body,
775: &info);
1.69 paf 776: }
777:
1.219 misha 778: static size_t afterlastslash(const String& str) {
779: size_t pos=str.strrpbrk("/\\");
780: return pos!=STRING_NOT_FOUND?pos+1:0;
781: }
782:
783: static size_t afterlastslash(const String& str, size_t right) {
784: size_t pos=str.strrpbrk("/\\", 0, right);
785: return pos!=STRING_NOT_FOUND?pos+1:0;
786: }
787:
1.111 paf 788: static void _find(Request& r, MethodParams& params) {
1.215 misha 789: const String& file_name=params.as_string(0, FILE_NAME_MUST_NOT_BE_CODE);
1.219 misha 790:
1.215 misha 791: Value* not_found_code=(params.count()==2)?¶ms.as_junction(1, "not-found param must be code"):0;
792:
1.111 paf 793: const String* file_spec;
1.90 paf 794: if(file_name.first_char()=='/')
795: file_spec=&file_name;
796: else
1.111 paf 797: file_spec=&r.relative(r.request_info.uri, file_name);
1.90 paf 798:
799: // easy way
1.142 paf 800: if(file_exist(r.absolute(*file_spec))) {
1.96 paf 801: r.write_assign_lang(*file_spec);
1.90 paf 802: return;
803: }
804:
805: // monkey way
1.219 misha 806: size_t last_slash=file_spec->strrpbrk("/\\");
807: const String& dirname=file_spec->mid(0, last_slash!=STRING_NOT_FOUND?last_slash:0);
808: const String& basename=file_spec->mid(last_slash!=STRING_NOT_FOUND?last_slash+1:0, file_spec->length());
809:
810: size_t rpos=dirname.is_empty()?0:dirname.length()-1;
811: while((rpos=dirname.rskipchars("/\\", 0, rpos))!=STRING_NOT_FOUND){
812: size_t slash=dirname.strrpbrk("/\\", 0, rpos);
813: if(slash==STRING_NOT_FOUND)
814: break;
1.111 paf 815: String test_name;
1.219 misha 816: test_name << dirname.mid(0, slash+1);
817: test_name << basename;
1.142 paf 818: if(file_exist(r.absolute(test_name))) {
1.111 paf 819: r.write_assign_lang(test_name);
1.90 paf 820: return;
821: }
1.219 misha 822: rpos=slash;
1.90 paf 823: }
824:
825: // no way, not found
1.215 misha 826: if(not_found_code)
827: r.write_pass_lang(r.process(*not_found_code));
1.90 paf 828: }
829:
1.111 paf 830: static void _dirname(Request& r, MethodParams& params) {
1.152 misha 831: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.219 misha 832: // works as *nix dirname
833:
834: // empty > .
835: // / > /
836: // /a > /
837: // /a/ > /
1.180 misha 838: // /a/some.tar.gz > /a
1.219 misha 839: // /a/b/ > /a
840: // /a///b/ > /a
841: // /a/b/// > /a
842: // file > .
843:
844: if(file_spec.is_empty()) {
845: r.write_assign_lang(String("."));
846: return;
847: }
848:
849: size_t p;
850: size_t slash;
851: if((p=file_spec.rskipchars("/\\"))==STRING_NOT_FOUND)
852: r.write_assign_lang(String("/"));
853: else {
854: if((slash=file_spec.strrpbrk("/\\", 0, p))!=STRING_NOT_FOUND) {
855: if((p=file_spec.rskipchars("/\\", 0, slash))==STRING_NOT_FOUND)
856: p=slash;
857: r.write_assign_lang(file_spec.mid(0, p+1));
858: return;
859: }
1.189 misha 860: r.write_assign_lang(String("."));
1.219 misha 861: }
1.89 paf 862: }
863:
1.111 paf 864: static void _basename(Request& r, MethodParams& params) {
1.152 misha 865: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.219 misha 866: // works as *nix basename
867:
868: // empty > .
869: // / > /
870: // /a > a
871: // /a/ > a
1.180 misha 872: // /a/some.tar.gz > some.tar.gz
1.219 misha 873: // /a/b/ > b
874: // /a///b/ > b
875: // /a/b/// > b
876: // file > file
877:
878: if(file_spec.is_empty()) {
879: r.write_assign_lang(String("."));
880: return;
881: }
882:
883: size_t p=file_spec.rskipchars("/\\");
884: if(p==STRING_NOT_FOUND)
885: r.write_assign_lang(String("/"));
886: else
887: r.write_assign_lang(file_spec.mid(afterlastslash(file_spec, p), p+1));
1.89 paf 888: }
889:
1.111 paf 890: static void _justname(Request& r, MethodParams& params) {
1.152 misha 891: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.180 misha 892: // /a/some.tar.gz > some.tar
1.219 misha 893: // /a/b.c/ > empty
894: // /a/b.c > b
895: size_t pos=afterlastslash(file_spec);
896: size_t dotpos=file_spec.strrpbrk(".", pos);
897: r.write_assign_lang(file_spec.mid(pos, dotpos!=STRING_NOT_FOUND?dotpos:file_spec.length()));
1.89 paf 898: }
1.219 misha 899:
1.111 paf 900: static void _justext(Request& r, MethodParams& params) {
1.152 misha 901: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.180 misha 902: // /a/some.tar.gz > gz
1.219 misha 903: // /a/b.c/ > empty
904: size_t pos=afterlastslash(file_spec);
905: size_t dotpos=file_spec.strrpbrk(".", pos);
906: if(dotpos!=STRING_NOT_FOUND)
907: r.write_assign_lang(file_spec.mid(dotpos+1, file_spec.length()));
1.89 paf 908: }
909:
1.111 paf 910: static void _fullpath(Request& r, MethodParams& params) {
1.152 misha 911: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.111 paf 912: const String* result;
1.102 paf 913: if(file_spec.first_char()=='/')
914: result=&file_spec;
915: else {
916: // /some/page.html: ^file:fullpath[a.gif] => /some/a.gif
917: const String& full_disk_path=r.absolute(file_spec);
1.111 paf 918: size_t document_root_length=strlen(r.request_info.document_root);
1.106 paf 919:
920: if(document_root_length>0) {
1.111 paf 921: char last_char=r.request_info.document_root[document_root_length-1];
1.106 paf 922: if(last_char == '/' || last_char == '\\')
923: --document_root_length;
924: }
1.111 paf 925: result=&full_disk_path.mid(document_root_length, full_disk_path.length());
1.102 paf 926: }
927: r.write_assign_lang(*result);
928: }
929:
1.121 paf 930: static void _sql_string(Request& r, MethodParams&) {
931: VFile& self=GET_SELF(r, VFile);
932:
933: const char *quoted=r.connection()->quote(self.value_ptr(), self.value_size());
934: r.write_assign_lang(*new String(quoted));
935: }
1.89 paf 936:
1.122 paf 937: #ifndef DOXYGEN
938: class File_sql_event_handlers: public SQL_Driver_query_event_handlers {
939: const String& statement_string; const char* statement_cstr;
940: int got_columns;
941: int got_cells;
942: public:
943: String::C value;
1.131 paf 944: const String* user_file_name;
945: const String* user_content_type;
1.122 paf 946: public:
947: File_sql_event_handlers(
948: const String& astatement_string, const char* astatement_cstr):
949: statement_string(astatement_string), statement_cstr(astatement_cstr),
950: got_columns(0),
951: got_cells(0),
952: user_file_name(0),
953: user_content_type(0) {}
954:
955: bool add_column(SQL_Error& error, const char* /*str*/, size_t /*length*/) {
956: if(got_columns++==3) {
1.156 misha 957: error=SQL_Error(PARSER_RUNTIME, "result must contain not more then 3 columns");
1.122 paf 958: return true;
959: }
960: return false;
961: }
962: bool before_rows(SQL_Error& /*error*/ ) { /* ignore */ return false; }
963: bool add_row(SQL_Error& /*error*/) { /* ignore */ return false; }
964: bool add_row_cell(SQL_Error& error, const char* str, size_t length) {
965: try {
966: switch(got_cells++) {
967: case 0:
968: value=String::C(str, length);
969: break;
970: case 1:
1.131 paf 971: if(!user_file_name) // user not specified?
1.190 misha 972: user_file_name=new String(str, String::L_TAINTED);
1.122 paf 973: break;
974: case 2:
1.131 paf 975: if(!user_content_type) // user not specified?
1.190 misha 976: user_content_type=new String(str, String::L_TAINTED);
1.122 paf 977: break;
978: default:
1.210 misha 979: error=SQL_Error(PARSER_RUNTIME, "result must not contain more then one row, three columns");
1.122 paf 980: return true;
981: }
982: return false;
983: } catch(...) {
984: error=SQL_Error("exception occured in File_sql_event_handlers::add_row_cell");
985: return true;
986: }
987: }
988: };
989: #endif
990: static void _sql(Request& r, MethodParams& params) {
1.131 paf 991: Value& statement=params.as_junction(0, "statement must be code");
1.122 paf 992:
993: Temp_lang temp_lang(r, String::L_SQL);
994: const String& statement_string=r.process_to_string(statement);
1.197 misha 995: const char* statement_cstr=statement_string.untaint_cstr(r.flang, r.connection());
1.195 misha 996:
1.122 paf 997: File_sql_event_handlers handlers(statement_string, statement_cstr);
1.131 paf 998:
1.173 misha 999: ulong limit=SQL_NO_LIMIT;
1.172 misha 1000: ulong offset=0;
1001:
1.131 paf 1002: if(params.count()>1)
1.220 misha 1003: if(HashStringValue* options=params.as_hash(1, "sql options")) {
1.131 paf 1004: int valid_options=0;
1005: if(Value* vfilename=options->get(NAME_NAME)) {
1006: valid_options++;
1007: handlers.user_file_name=&vfilename->as_string();
1008: }
1009: if(Value* vcontent_type=options->get(CONTENT_TYPE_NAME)) {
1010: valid_options++;
1011: handlers.user_content_type=&vcontent_type->as_string();
1012: }
1.173 misha 1013: if(Value* vlimit=options->get(sql_limit_name)) {
1014: valid_options++;
1015: limit=(ulong)r.process_to_value(*vlimit).as_double();
1016: }
1.172 misha 1017: if(Value* voffset=options->get(sql_offset_name)) {
1018: valid_options++;
1019: offset=(ulong)r.process_to_value(*voffset).as_double();
1020: }
1.131 paf 1021: if(valid_options!=options->count())
1.207 misha 1022: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
1.131 paf 1023: }
1024:
1025:
1.122 paf 1026: r.connection()->query(
1.123 paf 1027: statement_cstr,
1028: 0, 0,
1.173 misha 1029: offset, limit,
1.122 paf 1030: handlers,
1031: statement_string);
1032:
1.238 moko 1033: if(!handlers.value.str)
1034: throw Exception(PARSER_RUNTIME, 0, "produced no result");
1.122 paf 1035:
1.215 misha 1036: VFile& self=GET_SELF(r, VFile);
1.122 paf 1037:
1.222 moko 1038: self.set_binary(true/*tainted*/, handlers.value.str, handlers.value.length, handlers.user_file_name
1.215 misha 1039: , handlers.user_content_type ? new VString(*handlers.user_content_type) : 0
1040: , &r);
1.122 paf 1041: }
1.140 paf 1042:
1.139 paf 1043: static void _base64(Request& r, MethodParams& params) {
1.209 misha 1044: bool dynamic=!(&r.get_self() == file_class);
1045: if(dynamic) {
1.180 misha 1046: VFile& self=GET_SELF(r, VFile);
1047: if(params.count()) {
1.209 misha 1048: // decode:
1049: // ^file::base64[encoded] // backward
1.217 misha 1050: // ^file::base64[mode;user-file-name;encoded[;$.content-type[...] $.strict(true|false)]]
1.209 misha 1051: bool is_text=false;
1.217 misha 1052: bool strict=false;
1.209 misha 1053: VString* vcontent_type=0;
1.215 misha 1054: const String* user_file_name=0;
1.209 misha 1055: size_t param_index=0;
1056:
1057: if(params.count() > 1) {
1058: if(params.count() < 3)
1059: throw Exception(PARSER_RUNTIME,
1060: 0,
1.215 misha 1061: "constructor can not have less then 3 parameters (has %d parameters)",
1.209 misha 1062: params.count()); // actually it accepts 1 parameter (backward)
1063:
1.215 misha 1064: is_text=VFile::is_text_mode(params.as_string(0, MODE_MUST_NOT_BE_CODE));
1065: user_file_name=¶ms.as_string(1, FILE_NAME_MUST_BE_STRING);
1.209 misha 1066:
1067: if(params.count() == 4)
1068: if(HashStringValue* options=params.as_hash(3)) {
1069: int valid_options=0;
1070: if(Value* value=options->get(CONTENT_TYPE_NAME)) {
1071: vcontent_type=new VString(value->as_string());
1072: valid_options++;
1073: }
1.217 misha 1074: if(Value* vstrict=options->get(BASE64_STRICT_OPTION_NAME)) {
1075: strict=r.process_to_value(*vstrict).as_bool();
1076: valid_options++;
1077: }
1.209 misha 1078: if(valid_options!=options->count())
1079: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
1080: }
1081:
1082: param_index=2;
1083: }
1084:
1085: const char* encoded=params.as_string(param_index, PARAMETER_MUST_BE_STRING).cstr();
1086:
1.180 misha 1087: char* decoded=0;
1088: size_t length=0;
1.217 misha 1089: pa_base64_decode(encoded, strlen(encoded), decoded, length, strict);
1.209 misha 1090:
1.221 misha 1091: self.set(true/*tainted*/, is_text, decoded, length, user_file_name, vcontent_type, &r);
1.180 misha 1092: } else {
1093: // encode: ^f.base64[]
1094: const char* encoded=pa_base64_encode(self.value_ptr(), self.value_size());
1.190 misha 1095: r.write_assign_lang(*new String(encoded, String::L_TAINTED/*once ?param=base64(something) was needed**/));
1.180 misha 1096: }
1.151 misha 1097: } else {
1.180 misha 1098: // encode: ^file:base64[filespec]
1.152 misha 1099: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.151 misha 1100: const char* encoded=pa_base64_encode(r.absolute(file_spec));
1.190 misha 1101: r.write_assign_lang(*new String(encoded, String::L_TAINTED/*once ?param=base64(something) was needed*/));
1.151 misha 1102: }
1.139 paf 1103: }
1.140 paf 1104:
1.146 misha 1105: static void _crc32(Request& r, MethodParams& params) {
1106: unsigned long crc32 = 0;
1107: if(&r.get_self() == file_class) {
1108: // ^file:crc32[file-name]
1109: if(params.count()) {
1.152 misha 1110: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.146 misha 1111: crc32=pa_crc32(r.absolute(file_spec));
1112: } else {
1.215 misha 1113: throw Exception(PARSER_RUNTIME, 0, FILE_NAME_MUST_BE_SPECIFIED);
1.146 misha 1114: }
1115: } else {
1116: // ^file.crc32[]
1117: VFile& self=GET_SELF(r, VFile);
1118: crc32=pa_crc32(self.value_ptr(), self.value_size());
1119: }
1120: r.write_no_lang(*new VInt(crc32));
1121: }
1122:
1123:
1.243 moko 1124: static void file_md5_file_action(struct stat& finfo, int f, const String&, void *context)
1.147 misha 1125: {
1126: PA_MD5_CTX& md5context=*static_cast<PA_MD5_CTX *>(context);
1127: if(finfo.st_size) {
1.148 misha 1128: int nCount=0;
1.147 misha 1129: do {
1130: unsigned char buffer[FILE_BUFFER_SIZE];
1.150 misha 1131: nCount = file_block_read(f, buffer, sizeof(buffer));
1.147 misha 1132: if ( nCount ){
1133: pa_MD5Update(&md5context, (const unsigned char*)buffer, nCount);
1134: }
1.148 misha 1135: } while(nCount > 0);
1.147 misha 1136: }
1137: }
1138:
1139: const char* pa_md5(const String& file_spec)
1140: {
1141: PA_MD5_CTX context;
1142: unsigned char digest[16];
1143: pa_MD5Init(&context);
1144: file_read_action_under_lock(file_spec, "md5", file_md5_file_action, &context);
1145: pa_MD5Final(digest, &context);
1146:
1147: return hex_string(digest, sizeof(digest), false);
1148: }
1149:
1150: const char* pa_md5(const char *in, size_t in_size)
1151: {
1152: PA_MD5_CTX context;
1153: unsigned char digest[16];
1154: pa_MD5Init(&context);
1155: pa_MD5Update(&context, (const unsigned char*)in, in_size);
1156: pa_MD5Final(digest, &context);
1157:
1158: return hex_string(digest, sizeof(digest), false);
1159: }
1160:
1161: static void _md5(Request& r, MethodParams& params) {
1162: const char* md5;
1163: if(&r.get_self() == file_class) {
1164: // ^file:md5[file-name]
1165: if(params.count()) {
1.152 misha 1166: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.147 misha 1167: md5=pa_md5(r.absolute(file_spec));
1168: } else {
1.215 misha 1169: throw Exception(PARSER_RUNTIME, 0, FILE_NAME_MUST_BE_SPECIFIED);
1.147 misha 1170: }
1171: } else {
1172: // ^file.md5[]
1173: VFile& self=GET_SELF(r, VFile);
1174: md5=pa_md5(self.value_ptr(), self.value_size());
1175:
1176: }
1177: r.write_no_lang(*new String(md5));
1178: }
1179:
1.32 paf 1180: // constructor
1181:
1.111 paf 1182: MFile::MFile(): Methoded("file") {
1.215 misha 1183: // ^file::create[text|binary;file-name;string-or-file[;options hash]]
1184: // ^file::create[string-or-file[;options hash]]
1185: add_native_method("create", Method::CT_DYNAMIC, _create, 1, 4);
1.138 paf 1186:
1.146 misha 1187: // ^file.save[mode;file-name]
1.201 misha 1188: // ^file.save[mode;file-name;$.charset[...]]
1189: add_native_method("save", Method::CT_DYNAMIC, _save, 2, 3);
1.7 paf 1190:
1.146 misha 1191: // ^file:delete[file-name]
1.225 misha 1192: // ^file:delete[file-name;$.keep-empty-dir(true)$.exception(false)]
1.224 misha 1193: add_native_method("delete", Method::CT_STATIC, _delete, 1, 2);
1.45 parser 1194:
1.146 misha 1195: // ^file:move[from-file-name;to-file-name]
1.224 misha 1196: // ^file:move[from-file-name;to-file-name;$.keep-empty-dir(true)]
1197: add_native_method("move", Method::CT_STATIC, _move, 2, 3);
1.8 paf 1198:
1.146 misha 1199: // ^file::load[mode;disk-name]
1200: // ^file::load[mode;disk-name;user-name]
1.201 misha 1201: // ^file::load[mode;disk-name;user-name;options hash]
1202: // ^file::load[mode;disk-name;options hash]
1.180 misha 1203: add_native_method("load", Method::CT_DYNAMIC, _load, 2, 4);
1.25 paf 1204:
1.146 misha 1205: // ^file::stat[disk-name]
1.32 paf 1206: add_native_method("stat", Method::CT_DYNAMIC, _stat, 1, 1);
1.21 paf 1207:
1.162 misha 1208: // ^file::cgi[mode;file-name]
1209: // ^file::cgi[mode;file-name;env hash]
1210: // ^file::cgi[mode;file-name;env hash;1cmd;2line;3ar;4g;5s]
1211: add_native_method("cgi", Method::CT_DYNAMIC, _cgi, 1, 3+50);
1212:
1213: // ^file::exec[mode;file-name]
1214: // ^file::exec[mode;file-name;env hash]
1215: // ^file::exec[mode;file-name;env hash;1cmd;2line;3ar;4g;5s]
1216: add_native_method("exec", Method::CT_DYNAMIC, _exec, 1, 3+50);
1.47 parser 1217:
1218: // ^file:list[path]
1219: // ^file:list[path][regexp]
1.228 moko 1220: // ^file:list[path][$.filter[regexp] $.stat(true)]
1.47 parser 1221: add_native_method("list", Method::CT_STATIC, _list, 1, 2);
1.69 paf 1222:
1223: // ^file:lock[path]{code}
1224: add_native_method("lock", Method::CT_STATIC, _lock, 2, 2);
1.90 paf 1225:
1.146 misha 1226: // ^file:find[file-name]
1227: // ^file:find[file-name]{when-not-found}
1.90 paf 1228: add_native_method("find", Method::CT_STATIC, _find, 1, 2);
1.47 parser 1229:
1.201 misha 1230: // ^file:dirname[/a/some.tar.gz]=/a
1.89 paf 1231: // ^file:dirname[/a/b/]=/a
1232: add_native_method("dirname", Method::CT_STATIC, _dirname, 1, 1);
1.201 misha 1233: // ^file:basename[/a/some.tar.gz]=some.tar.gz
1234: add_native_method("basename", Method::CT_STATIC, _basename, 1, 1);
1235: // ^file:justname[/a/some.tar.gz]=some.tar
1.89 paf 1236: add_native_method("justname", Method::CT_STATIC, _justname, 1, 1);
1.201 misha 1237: // ^file:justext[/a/some.tar.gz]=gz
1.89 paf 1238: add_native_method("justext", Method::CT_STATIC, _justext, 1, 1);
1.201 misha 1239: // /some/page.html: ^file:fullpath[a.gif] => /some/a.gif
1.102 paf 1240: add_native_method("fullpath", Method::CT_STATIC, _fullpath, 1, 1);
1.121 paf 1241:
1.201 misha 1242: // ^file.sql-string[]
1.121 paf 1243: add_native_method("sql-string", Method::CT_DYNAMIC, _sql_string, 0, 0);
1.122 paf 1244:
1.209 misha 1245: // ^file::sql{}
1.201 misha 1246: // ^file::sql{}[options hash]
1.122 paf 1247: add_native_method("sql", Method::CT_DYNAMIC, _sql, 1, 2);
1.139 paf 1248:
1.209 misha 1249: // encode:
1250: // ^file.base64[]
1251: // ^file:base64[file-name]
1252: // decode:
1253: // ^file::base64[encoded] // backward
1254: // ^file::base64[mode;user-file-name;encoded]
1255: // ^file::base64[mode;user-file-name;encoded;$.content-type[...]]
1256: add_native_method("base64", Method::CT_ANY, _base64, 0, 4);
1.146 misha 1257:
1258: // ^file.crc32[]
1259: // ^file:crc32[file-name]
1260: add_native_method("crc32", Method::CT_ANY, _crc32, 0, 1);
1.147 misha 1261:
1262: // ^file.md5[]
1263: // ^file:md5[file-name]
1264: add_native_method("md5", Method::CT_ANY, _md5, 0, 1);
1265:
1.148 misha 1266: // ^file:copy[from-file-name;to-file-name]
1267: add_native_method("copy", Method::CT_STATIC, _copy, 2, 2);
1.1 paf 1268: }
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