Annotation of parser3/src/classes/file.C, revision 1.270
1.17 paf 1: /** @file
2: Parser: @b file parser class.
3:
1.262 moko 4: Copyright (c) 2001-2017 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"
1.266 moko 12: #include "pa_base64.h"
1.111 paf 13:
1.1 paf 14: #include "pa_request.h"
15: #include "pa_vfile.h"
1.11 paf 16: #include "pa_table.h"
1.21 paf 17: #include "pa_vint.h"
1.24 paf 18: #include "pa_exec.h"
1.40 parser 19: #include "pa_vdate.h"
1.47 parser 20: #include "pa_dir.h"
21: #include "pa_vtable.h"
1.67 paf 22: #include "pa_charset.h"
1.109 paf 23: #include "pa_charsets.h"
1.121 paf 24: #include "pa_sql_connection.h"
1.147 misha 25: #include "pa_md5.h"
1.184 misha 26: #include "pa_vregex.h"
1.208 misha 27: #include "pa_version.h"
1.1 paf 28:
1.270 ! moko 29: volatile const char * IDENT_FILE_C="$Id: file.C,v 1.269 2019/11/22 22:24:45 moko Exp $";
1.218 moko 30:
1.32 paf 31: // defines
32:
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"
1.224 misha 37: #define KEEP_EMPTY_DIRS_NAME "keep-empty-dirs"
1.225 misha 38: #define SUPPRESS_EXCEPTION_NAME "exception"
1.131 paf 39:
1.132 paf 40: // externs
41:
42: extern String sql_limit_name;
43: extern String sql_offset_name;
44:
1.227 moko 45: // helpers
46:
47: class File_list_table_template_columns: public ArrayString {
48: public:
49: File_list_table_template_columns() {
50: *this+=new String("name");
51: *this+=new String("dir");
52: *this+=new String("size");
53: *this+=new String("cdate");
54: *this+=new String("mdate");
55: *this+=new String("adate");
56: }
57: };
58:
59: Table file_list_table_template(new File_list_table_template_columns);
60:
1.111 paf 61: // class
62:
63: class MFile: public Methoded {
64: public: // VStateless_class
1.199 misha 65: Value* create_new_value(Pool&) { return new VFile(); }
1.111 paf 66: public:
67: MFile();
68: };
69:
70: // global variable
71:
1.242 moko 72: DECLARE_CLASS_VAR(file, new MFile);
1.111 paf 73:
1.83 paf 74: // consts
75:
76: /// from apache-1.3|src|support|suexec.c
1.111 paf 77: static const char* suexec_safe_env_lst[]={
1.83 paf 78: "AUTH_TYPE",
79: "CONTENT_LENGTH",
80: "CONTENT_TYPE",
81: "DATE_GMT",
82: "DATE_LOCAL",
83: "DOCUMENT_NAME",
84: "DOCUMENT_PATH_INFO",
85: "DOCUMENT_ROOT",
86: "DOCUMENT_URI",
87: "FILEPATH_INFO",
88: "GATEWAY_INTERFACE",
89: "LAST_MODIFIED",
90: "PATH_INFO",
91: "PATH_TRANSLATED",
92: "QUERY_STRING",
93: "QUERY_STRING_UNESCAPED",
94: "REMOTE_ADDR",
95: "REMOTE_HOST",
96: "REMOTE_IDENT",
97: "REMOTE_PORT",
98: "REMOTE_USER",
99: "REDIRECT_QUERY_STRING",
100: "REDIRECT_STATUS",
101: "REDIRECT_URL",
102: "REQUEST_METHOD",
103: "REQUEST_URI",
104: "SCRIPT_FILENAME",
105: "SCRIPT_NAME",
106: "SCRIPT_URI",
107: "SCRIPT_URL",
108: "SERVER_ADMIN",
109: "SERVER_NAME",
110: "SERVER_ADDR",
111: "SERVER_PORT",
112: "SERVER_PROTOCOL",
113: "SERVER_SOFTWARE",
114: "UNIQUE_ID",
115: "USER_NAME",
116: "TZ",
117: NULL
118: };
119:
1.111 paf 120: // statics
1.33 paf 121:
1.258 moko 122: static const String::Body size_name("size");
1.112 paf 123: static const String::Body adate_name("adate");
124: static const String::Body mdate_name("mdate");
125: static const String::Body cdate_name("cdate");
1.32 paf 126:
1.1 paf 127: // methods
128:
1.111 paf 129: static void _save(Request& r, MethodParams& params) {
1.215 misha 130: bool is_text=VFile::is_text_mode(params.as_string(0, MODE_MUST_NOT_BE_CODE));
1.152 misha 131: Value& vfile_name=params.as_no_junction(1, FILE_NAME_MUST_NOT_BE_CODE);
1.4 paf 132:
1.201 misha 133: Charset* asked_charset=0;
134: if(params.count()>2)
1.214 misha 135: if(HashStringValue* options=params.as_hash(2)){
1.202 misha 136: int valid_options=0;
1.201 misha 137: if(Value* vcharset_name=options->get(PA_CHARSET_NAME)){
1.251 moko 138: asked_charset=&pa_charsets.get(vcharset_name->as_string());
1.201 misha 139: valid_options++;
140: }
141: if(valid_options != options->count())
1.207 misha 142: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
1.201 misha 143: }
144:
1.7 paf 145: // save
1.201 misha 146: GET_SELF(r, VFile).save(r.charsets, r.absolute(vfile_name.as_string()), is_text, asked_charset);
1.7 paf 147: }
148:
1.111 paf 149: static void _delete(Request& r, MethodParams& params) {
1.215 misha 150: const String& file_name=params.as_string(0, FILE_NAME_MUST_NOT_BE_CODE);
1.224 misha 151: bool keep_empty_dirs=false;
1.225 misha 152: bool fail_on_problem=true;
1.224 misha 153:
154: if(params.count()>1)
155: if(HashStringValue* options=params.as_hash(1)){
156: int valid_options=0;
157: if(Value* vkeep_empty_dirs=options->get(KEEP_EMPTY_DIRS_NAME)){
1.252 moko 158: keep_empty_dirs=r.process(*vkeep_empty_dirs).as_bool();
1.224 misha 159: valid_options++;
160: }
1.225 misha 161: if(Value* vsuppress_exception=options->get(SUPPRESS_EXCEPTION_NAME)){
1.252 moko 162: fail_on_problem=r.process(*vsuppress_exception).as_bool();
1.225 misha 163: valid_options++;
164: }
1.224 misha 165: if(valid_options != options->count())
166: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
167: }
1.7 paf 168:
169: // unlink
1.225 misha 170: file_delete(r.absolute(file_name), fail_on_problem, keep_empty_dirs);
1.1 paf 171: }
172:
1.111 paf 173: static void _move(Request& r, MethodParams& params) {
174: Value& vfrom_file_name=params.as_no_junction(0, "from file name must not be code");
175: Value& vto_file_name=params.as_no_junction(1, "to file name must not be code");
1.224 misha 176: bool keep_empty_dirs=false;
177:
178: if(params.count()>2)
179: if(HashStringValue* options=params.as_hash(2)){
180: int valid_options=0;
181: if(Value* vkeep_empty_dirs=options->get(KEEP_EMPTY_DIRS_NAME)){
1.252 moko 182: keep_empty_dirs=r.process(*vkeep_empty_dirs).as_bool();
1.224 misha 183: valid_options++;
184: }
185: if(valid_options != options->count())
186: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
187: }
1.45 parser 188:
1.51 parser 189: // move
1.68 paf 190: file_move(
1.45 parser 191: r.absolute(vfrom_file_name.as_string()),
1.224 misha 192: r.absolute(vto_file_name.as_string()),
193: keep_empty_dirs);
1.45 parser 194: }
195:
1.260 moko 196: static void copy_process_source(struct stat&, int from_file, const String&, void *context) {
1.148 misha 197: int& to_file=*static_cast<int *>(context);
198:
199: int nCount=0;
200: do {
201: unsigned char buffer[FILE_BUFFER_SIZE];
1.150 misha 202: nCount = file_block_read(from_file, buffer, sizeof(buffer));
1.148 misha 203: int written=write(to_file, buffer, nCount);
204: if( written < 0 )
1.179 misha 205: throw Exception("file.access",
1.148 misha 206: 0,
207: "write failed: %s (%d)", strerror(errno), errno);
208:
209: } while(nCount > 0);
210: }
211:
212: static void copy_open_target(int f, void *from_spec) {
213: String& file_spec=*static_cast<String *>(from_spec);
214: file_read_action_under_lock(file_spec, "copy", copy_process_source, &f);
1.235 moko 215: }
1.148 misha 216:
217: static void _copy(Request& r, MethodParams& params) {
218: Value& vfrom_file_name=params.as_no_junction(0, "from file name must not be code");
219: Value& vto_file_name=params.as_no_junction(1, "to file name must not be code");
220:
1.264 moko 221: bool append=false;
222: if(params.count()>2)
223: if(HashStringValue* options=params.as_hash(2)){
224: int valid_options=0;
225: if(Value* vappend=options->get("append")){
226: append=r.process(*vappend).as_bool();
227: valid_options++;
228: }
229: if(valid_options != options->count())
230: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
231: }
232:
1.148 misha 233: String from_spec = r.absolute(vfrom_file_name.as_string());
234: const String& to_spec = r.absolute(vto_file_name.as_string());
235:
236: file_write_action_under_lock(
237: to_spec,
238: "copy",
239: copy_open_target,
1.264 moko 240: &from_spec,
241: false /*as text*/,
242: append);
1.148 misha 243: }
244:
1.111 paf 245: static void _load_pass_param(
1.180 misha 246: HashStringValue::key_type key,
247: HashStringValue::value_type value,
248: HashStringValue *dest) {
1.111 paf 249: dest->put(key, value);
250: }
1.180 misha 251:
1.111 paf 252: static void _load(Request& r, MethodParams& params) {
1.215 misha 253: bool as_text=VFile::is_text_mode(params.as_string(0, MODE_MUST_NOT_BE_CODE));
254: const String& lfile_name=r.absolute(params.as_string(1, FILE_NAME_MUST_NOT_BE_CODE));
1.9 paf 255:
1.180 misha 256: size_t param_index=params.count()-1;
1.215 misha 257: Value* param_value=param_index>1?¶ms.as_no_junction(param_index, "file name or options must not be code"):0;
1.180 misha 258:
1.183 misha 259: HashStringValue* options=0;
1.215 misha 260: const String* user_file_name=0;
1.183 misha 261:
262: if(param_value){
263: options=param_value->get_hash();
264: if(options || param_index>2)
265: param_index--;
266: if(param_index>1){
267: const String& luser_file_name=params.as_string(param_index, FILE_NAME_MUST_BE_STRING);
268: if(!luser_file_name.is_empty())
1.215 misha 269: user_file_name=&luser_file_name;
1.183 misha 270: }
271: }
272: if(!user_file_name)
1.215 misha 273: user_file_name=&lfile_name;
1.180 misha 274:
1.132 paf 275: size_t offset=0;
276: size_t limit=0;
1.183 misha 277:
1.180 misha 278: if(options){
1.132 paf 279: options=new HashStringValue(*options);
1.180 misha 280: if(Value *voffset=(Value *)options->get(sql_offset_name)){
1.252 moko 281: offset=r.process(*voffset).as_int();
1.132 paf 282: }
1.180 misha 283: if(Value *vlimit=(Value *)options->get(sql_limit_name)){
1.252 moko 284: limit=r.process(*vlimit).as_int();
1.132 paf 285: }
1.269 moko 286: // no check on options count here, see file_load
1.132 paf 287: }
1.270 ! moko 288: File_read_result file=file_load(r, lfile_name, as_text, options, true, offset, limit);
1.9 paf 289:
1.111 paf 290: Value* vcontent_type=0;
1.168 misha 291: if(file.headers){
1.181 misha 292: if(Value* remote_content_type=file.headers->get(HTTP_CONTENT_TYPE_UPPER))
1.129 paf 293: vcontent_type=new VString(*new String(remote_content_type->as_string().cstr()));
294: }
1.221 misha 295:
1.111 paf 296: VFile& self=GET_SELF(r, VFile);
1.221 misha 297: self.set(true/*tainted*/, as_text, file.str, file.length, user_file_name, vcontent_type, &r);
1.194 misha 298:
1.168 misha 299: if(file.headers){
1.143 paf 300: file.headers->for_each<HashStringValue*>(_load_pass_param, &self.fields());
1.168 misha 301: } else {
1.258 moko 302: uint64_t size;
1.168 misha 303: time_t atime, mtime, ctime;
304:
1.169 misha 305: file_stat(lfile_name, size, atime, mtime, ctime);
1.168 misha 306:
307: HashStringValue& ff=self.fields();
1.237 moko 308: ff.put(adate_name, new VDate((pa_time_t)atime));
309: ff.put(mdate_name, new VDate((pa_time_t)mtime));
310: ff.put(cdate_name, new VDate((pa_time_t)ctime));
1.168 misha 311: }
1.9 paf 312: }
313:
1.138 paf 314: static void _create(Request& r, MethodParams& params) {
1.215 misha 315: const String* mode=0;
316: const String* file_name=0;
317: bool is_text=true;
318:
319: // new format: ^file::create[string-or-file-content[;$.mode[text|binary] $.name[...] $.content-type[...] $.charset[...] ]]
320: size_t content_index=0;
321: size_t options_index=1;
322: bool extended_options=true;
323:
324: if(params.count()>=3){
325: // old format: ^file::create[text|binary;file-name;string-or-file-content[;options]]
326: mode=¶ms.as_string(0, MODE_MUST_NOT_BE_CODE);
327: is_text=VFile::is_text_mode(*mode);
328: file_name=¶ms.as_string(1, FILE_NAME_MUST_NOT_BE_CODE);
329: content_index=2;
330: options_index=3;
331: extended_options=false;
332: }
1.203 misha 333:
1.211 misha 334: VString* vcontent_type=0;
1.245 moko 335: Charset* to_charset=0;
336: Charset* from_charset=0;
1.215 misha 337: if(params.count()>options_index)
338: if(HashStringValue* options=params.as_hash(options_index)) {
1.203 misha 339: int valid_options=0;
1.215 misha 340: if(extended_options) {
341: if(Value* vmode=options->get(MODE_NAME)) {
342: mode=&vmode->as_string();
343: is_text=VFile::is_text_mode(*mode);
344: valid_options++;
345: }
346: if(Value* vfile_name=options->get(NAME_NAME)) {
347: file_name=&vfile_name->as_string();
348: valid_options++;
349: }
350: }
1.245 moko 351: if(Value* vcharset_name=options->get("to-charset")) {
1.251 moko 352: to_charset=&pa_charsets.get(vcharset_name->as_string());
1.245 moko 353: valid_options++;
354: }
355: if(Value* vcharset_name=options->get("from-charset")) {
1.251 moko 356: from_charset=&pa_charsets.get(vcharset_name->as_string());
1.245 moko 357: valid_options++;
358: }
1.215 misha 359: if(Value* vcharset_name=options->get(PA_CHARSET_NAME)) {
1.245 moko 360: if(to_charset)
361: throw Exception(PARSER_RUNTIME, 0, "charset option can not be used with to-charset");
1.251 moko 362: to_charset=&pa_charsets.get(vcharset_name->as_string());
1.203 misha 363: valid_options++;
364: }
1.211 misha 365: if(Value* value=options->get(CONTENT_TYPE_NAME)) {
366: vcontent_type=new VString(value->as_string());
367: valid_options++;
368: }
1.203 misha 369: if(valid_options != options->count())
1.207 misha 370: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
1.215 misha 371: }
1.211 misha 372:
1.215 misha 373: Value& vcontent=params.as_no_junction(content_index, "content must be string or file");
1.203 misha 374:
1.138 paf 375: VFile& self=GET_SELF(r, VFile);
1.194 misha 376:
1.215 misha 377: if(const String* content_str=vcontent.get_string()){
1.229 moko 378: 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 379: self.set(true/*tainted*/, is_text, body.cstrm(), body.length(), file_name, vcontent_type, &r);
1.215 misha 380: } else {
1.245 moko 381: VFile& fcontent=*vcontent.as_vfile(String::L_AS_IS); // can't be null
1.248 moko 382: if(mode){
383: self.set(fcontent, &is_text, file_name, vcontent_type, &r);
384: if(is_text && !fcontent.is_text_mode())
385: from_charset=self.detect_binary_charset(from_charset);
386: } else {
387: self.set(fcontent, 0, file_name, vcontent_type, &r);
388: is_text=fcontent.is_text_mode();
389: }
1.215 misha 390: }
391:
1.245 moko 392: if(to_charset || from_charset)
393: if(is_text)
394: self.transcode(from_charset ? *from_charset : r.charsets.source(), to_charset ? *to_charset : r.charsets.source());
395: else
396: throw Exception(PARSER_RUNTIME, 0, "charset options can not be used with binary content");
1.138 paf 397: }
398:
1.111 paf 399: static void _stat(Request& r, MethodParams& params) {
1.215 misha 400: const String& lfile_name=params.as_string(0, FILE_NAME_MUST_NOT_BE_CODE);
1.25 paf 401:
1.258 moko 402: uint64_t size;
1.40 parser 403: time_t atime, mtime, ctime;
1.245 moko 404: file_stat(r.absolute(lfile_name), size, atime, mtime, ctime);
1.25 paf 405:
1.111 paf 406: VFile& self=GET_SELF(r, VFile);
1.167 misha 407:
1.258 moko 408: self.set_binary(true/*tainted*/, 0 /*no bytes*/, 0 /*fake size*/, &lfile_name, 0, &r);
1.111 paf 409: HashStringValue& ff=self.fields();
1.259 moko 410: ff.put(size_name, new VDouble((double)size) /*real size*/);
1.237 moko 411: ff.put(adate_name, new VDate((pa_time_t)atime));
412: ff.put(mdate_name, new VDate((pa_time_t)mtime));
413: ff.put(cdate_name, new VDate((pa_time_t)ctime));
1.25 paf 414: }
415:
1.111 paf 416: static bool is_safe_env_key(const char* key) {
417: for(const char* validator=key; *validator; validator++) {
418: char c=*validator;
1.234 moko 419: if(!( (c>='A' && c<='Z') || (c>='0' && c<='9') || (c=='_' || c=='-') ))
1.111 paf 420: return false;
421: }
1.205 pretende 422: #ifdef PA_SAFE_MODE
1.88 paf 423: if(strncasecmp(key, "HTTP_", 5)==0)
1.83 paf 424: return true;
1.87 paf 425: if(strncasecmp(key, "CGI_", 4)==0)
1.83 paf 426: return true;
427: for(int i=0; suexec_safe_env_lst[i]; i++) {
1.87 paf 428: if(strcasecmp(key, suexec_safe_env_lst[i])==0)
1.83 paf 429: return true;
430: }
431: return false;
1.205 pretende 432: #else
433: return true;
434: #endif
1.83 paf 435: }
1.90 paf 436: #ifndef DOXYGEN
437: struct Append_env_pair_info {
1.141 paf 438: Request_charsets* charsets;
1.111 paf 439: HashStringString* env;
1.100 paf 440: Value* vstdin;
1.90 paf 441: };
442: #endif
1.111 paf 443: static void append_env_pair(
1.180 misha 444: HashStringValue::key_type akey,
445: HashStringValue::value_type avalue,
446: Append_env_pair_info *info) {
1.111 paf 447: if(akey==STDIN_EXEC_PARAM_NAME) {
448: info->vstdin=avalue;
449: } else if(akey==CHARSET_EXEC_PARAM_NAME) {
1.141 paf 450: // ignore, already processed
1.90 paf 451: } else {
1.111 paf 452: if(!is_safe_env_key(akey.cstr()))
1.156 misha 453: throw Exception(PARSER_RUNTIME,
1.111 paf 454: new String(akey, String::L_TAINTED),
1.90 paf 455: "not safe environment variable");
1.196 misha 456: info->env->put(akey, avalue->as_string().cstr_to_string_body_untaint(String::L_AS_IS, 0, info->charsets));
1.90 paf 457: }
1.22 paf 458: }
1.94 paf 459: #ifndef DOXYGEN
460: struct Pass_cgi_header_attribute_info {
1.111 paf 461: Charset* charset;
462: HashStringValue* fields;
463: Value* content_type;
1.94 paf 464: };
465: #endif
1.111 paf 466: static void pass_cgi_header_attribute(
1.180 misha 467: ArrayString::element_type astring,
468: Pass_cgi_header_attribute_info* info) {
1.111 paf 469: size_t colon_pos=astring->pos(':');
1.130 paf 470: if(colon_pos!=STRING_NOT_FOUND) {
1.111 paf 471: const String& key=astring->mid(0, colon_pos).change_case(
472: *info->charset, String::CC_UPPER);
1.130 paf 473: Value* value=new VString(astring->mid(colon_pos+1, astring->length()).trim());
1.111 paf 474: info->fields->put(key, value);
1.181 misha 475: if(key==HTTP_CONTENT_TYPE_UPPER)
1.111 paf 476: info->content_type=value;
1.94 paf 477: }
1.29 paf 478: }
1.155 misha 479:
480: static void append_to_argv(Request& r, ArrayString& argv, const String* str){
1.187 misha 481: if(!str->is_empty())
1.229 moko 482: 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 483: }
484:
1.90 paf 485: /// @todo fix `` in perl - they produced flipping consoles and no output to perl
1.194 misha 486: static void _exec_cgi(Request& r, MethodParams& params, bool cgi) {
1.215 misha 487: bool is_text=true;
1.194 misha 488: size_t param_index=0;
1.215 misha 489: const String& mode=params.as_string(0, FIRST_ARG_MUST_NOT_BE_CODE);
490: if(VFile::is_valid_mode(mode)) {
491: is_text=VFile::is_text_mode(mode);
1.194 misha 492: param_index++;
1.162 misha 493: }
494:
495: if(param_index>=params.count())
1.215 misha 496: throw Exception(PARSER_RUNTIME, 0, FILE_NAME_MUST_BE_SPECIFIED);
1.162 misha 497:
1.215 misha 498: const String& script_name=r.absolute(params.as_string(param_index++, FILE_NAME_MUST_NOT_BE_CODE));
1.23 paf 499:
1.111 paf 500: HashStringString env;
1.239 moko 501: #define ECSTR(name, value_cstr) if(value_cstr) env.put(#name, value_cstr);
1.233 moko 502: // passing environment
503: for(SAPI::Env::Iterator i(r.sapi_info); i; i.next() )
1.239 moko 504: env.put(i.key(), i.value() );
1.82 paf 505:
1.23 paf 506: // const
1.63 paf 507: ECSTR(GATEWAY_INTERFACE, "CGI/1.1");
1.231 moko 508: ECSTR(PARSER_VERSION, PARSER_VERSION);
1.23 paf 509: // from Request.info
1.111 paf 510: ECSTR(DOCUMENT_ROOT, r.request_info.document_root);
511: ECSTR(PATH_TRANSLATED, r.request_info.path_translated);
512: ECSTR(REQUEST_METHOD, r.request_info.method);
513: ECSTR(QUERY_STRING, r.request_info.query_string);
514: ECSTR(REQUEST_URI, r.request_info.uri);
515: ECSTR(CONTENT_TYPE, r.request_info.content_type);
1.200 misha 516: ECSTR(CONTENT_LENGTH, format(r.request_info.content_length, "%u"));
1.82 paf 517: // SCRIPT_*
1.240 moko 518: env.put("SCRIPT_NAME", script_name);
1.23 paf 519:
1.90 paf 520: // environment & stdin from param
1.256 moko 521: bool in_is_text_mode=true;
522: String::C in;
1.109 paf 523: Charset *charset=0; // default script works raw_in 'source' charset = no transcoding needed
1.162 misha 524: if(param_index < params.count()) {
1.220 misha 525: if(HashStringValue* user_env=params.as_hash(param_index++, "env")) {
1.141 paf 526: // $.charset [previewing to handle URI pieces]
527: if(Value* vcharset=user_env->get(CHARSET_EXEC_PARAM_NAME))
1.251 moko 528: charset=&pa_charsets.get(vcharset->as_string());
1.141 paf 529:
530: // $.others
531: Append_env_pair_info info={&r.charsets, &env, 0};
532: {
1.144 paf 533: // influence tainting
534: // main target -- $.QUERY_STRING -- URLencoding of tainted pieces to String::L_URI lang
1.141 paf 535: Temp_client_charset temp(r.charsets, charset? *charset: r.charsets.source());
1.143 paf 536: user_env->for_each<Append_env_pair_info*>(append_env_pair, &info);
1.141 paf 537: }
1.109 paf 538: // $.stdin
1.103 paf 539: if(info.vstdin) {
1.111 paf 540: if(const String* sstdin=info.vstdin->get_string()) {
1.213 moko 541: // untaint stdin
1.256 moko 542: in = String::C(sstdin->cstr_to_string_body_untaint(String::L_AS_IS, r.connection(false), &r.charsets));
1.103 paf 543: } else
1.256 moko 544: if(VFile* vfile=static_cast<VFile *>(info.vstdin->as("file"))){
545: in = String::C((const char* )vfile->value_ptr(), vfile->value_size());
546: in_is_text_mode = vfile->is_text_mode();
547: } else
548: throw Exception(PARSER_RUNTIME, 0, STDIN_EXEC_PARAM_NAME " parameter must be string or file");
1.103 paf 549: }
1.90 paf 550: }
1.21 paf 551: }
552:
1.90 paf 553: // argv from params
1.111 paf 554: ArrayString argv;
1.162 misha 555: if(param_index < params.count()) {
1.180 misha 556: // influence tainting
557: Temp_client_charset temp(r.charsets, charset? *charset: r.charsets.source());
1.154 misha 558:
1.162 misha 559: for(size_t i=param_index; i<params.count(); i++) {
1.161 misha 560: Value& param=params.as_no_junction(i, PARAM_MUST_NOT_BE_CODE);
1.154 misha 561: if(param.is_defined()){
562: if(param.is_string()){
1.155 misha 563: append_to_argv(r, argv, param.get_string());
1.154 misha 564: } else {
1.155 misha 565: Table* table=param.get_table();
566: if(table){
1.250 moko 567: for(size_t j=0; j<table->count(); j++)
568: append_to_argv(r, argv, table->get(j)->get(0));
1.154 misha 569: } else {
1.250 moko 570: throw Exception(PARSER_RUNTIME, 0, "param must be string or table");
1.154 misha 571: }
572: }
1.145 misha 573: }
1.144 paf 574: }
1.21 paf 575: }
1.90 paf 576:
1.109 paf 577: // transcode if necessary
578: if(charset) {
1.111 paf 579: Charset::transcode(env, r.charsets.source(), *charset);
580: Charset::transcode(argv, r.charsets.source(), *charset);
1.256 moko 581: if(in_is_text_mode)
582: in=Charset::transcode(in, r.charsets.source(), *charset);
1.111 paf 583: }
584: // @todo
585: // ifdef WIN32 do OEM->ANSI transcode on some(.cmd?) programs to
586: // match silent conversion in OS
587:
588: // exec!
1.256 moko 589: PA_exec_result execution=pa_exec(false/*forced_allow*/, script_name, &env, argv, in);
1.111 paf 590:
1.162 misha 591: File_read_result *file_out=&execution.out;
1.111 paf 592: String *real_err=&execution.err;
1.162 misha 593:
1.165 misha 594: // transcode err if necessary (@todo: need fix line breaks in err as well )
595: if(charset)
596: real_err=&Charset::transcode(*real_err, *charset, r.charsets.source());
597:
1.215 misha 598: if(file_out->length && is_text){
1.162 misha 599: fix_line_breaks(file_out->str, file_out->length);
600: // treat output as string
1.188 misha 601: String *real_out = new String(file_out->str);
1.162 misha 602:
1.165 misha 603: // transcode out if necessary
604: if(charset)
1.162 misha 605: real_out=&Charset::transcode(*real_out, *charset, r.charsets.source());
1.165 misha 606:
1.162 misha 607: // FIXME: unsafe cast
1.163 misha 608: file_out->str=const_cast<char *>(real_out->cstr()); // hacking a little
1.162 misha 609: file_out->length = real_out->length();
1.109 paf 610: }
611:
1.111 paf 612: VFile& self=GET_SELF(r, VFile);
1.109 paf 613:
1.162 misha 614: if(cgi) { // ^file::cgi
1.163 misha 615: const char* eol_marker=0;
616: size_t eol_marker_size;
617:
1.111 paf 618: // construct with 'out' body and header
1.165 misha 619: size_t dos_pos=(file_out->length)?strpos(file_out->str, "\r\n\r\n"):STRING_NOT_FOUND;
620: size_t unix_pos=(file_out->length)?strpos(file_out->str, "\n\n"):STRING_NOT_FOUND;
1.111 paf 621:
622: bool unix_header_break;
623: switch((dos_pos!=STRING_NOT_FOUND?10:00) + (unix_pos!=STRING_NOT_FOUND?01:00)) {
1.166 misha 624: case 10: // dos
625: unix_header_break=false;
626: break;
627: case 01: // unix
628: unix_header_break=true;
629: break;
630: case 11: // dos & unix
631: unix_header_break=unix_pos<dos_pos;
632: break;
633: default: // 00
634: unix_header_break=false; // calm down, compiler
1.179 misha 635: throw Exception("file.execute",
1.166 misha 636: 0,
637: "output does not contain CGI header; "
638: "exit status=%d; stdoutsize=%u; stdout: \"%s\"; stderrsize=%u; stderr: \"%s\"",
639: execution.status,
1.194 misha 640: file_out->length, (file_out->length) ? (file_out->str) : "",
641: real_err->length(), real_err->cstr());
1.166 misha 642: break; //never reached
1.111 paf 643: }
644:
1.165 misha 645: size_t header_break_pos;
1.111 paf 646: if(unix_header_break) {
647: header_break_pos=unix_pos;
1.165 misha 648: eol_marker="\n";
649: eol_marker_size=1;
1.111 paf 650: } else {
651: header_break_pos=dos_pos;
1.165 misha 652: eol_marker="\r\n";
653: eol_marker_size=2;
1.111 paf 654: }
1.21 paf 655:
1.162 misha 656: file_out->str[header_break_pos] = 0;
1.188 misha 657: String *header=new String(file_out->str);
1.162 misha 658: unsigned long headersize = header_break_pos+eol_marker_size*2;
659: file_out->str += headersize;
660: file_out->length -= headersize;
661:
1.164 misha 662: // $body
1.221 misha 663: self.set(false/*not tainted*/, is_text, file_out->str, file_out->length);
1.164 misha 664:
1.162 misha 665: // $fields << header
1.194 misha 666: if(header) {
1.162 misha 667: ArrayString rows;
1.249 moko 668: header->split(rows, 0, eol_marker);
1.162 misha 669: Pass_cgi_header_attribute_info info={0, 0, 0};
670: info.charset=&r.charsets.source();
671: info.fields=&self.fields();
672: rows.for_each(pass_cgi_header_attribute, &info);
673: if(info.content_type)
674: self.fields().put(content_type_name, info.content_type);
675: }
1.164 misha 676: } else { // ^file::exec
1.166 misha 677: // $body
1.257 moko 678: self.set(false/*not tainted*/, is_text, file_out->str ? file_out->str : pa_strdup("") /*to distinguish from stat-ed file*/, file_out->length);
1.164 misha 679: }
1.163 misha 680:
1.42 parser 681: // $status
1.111 paf 682: self.fields().put(file_status_name, new VInt(execution.status));
1.21 paf 683:
684: // $stderr
1.187 misha 685: if(!real_err->is_empty())
1.240 moko 686: self.fields().put("stderr", new VString(*real_err));
1.21 paf 687: }
1.111 paf 688: static void _exec(Request& r, MethodParams& params) {
689: _exec_cgi(r, params, false);
1.41 parser 690: }
1.111 paf 691: static void _cgi(Request& r, MethodParams& params) {
692: _exec_cgi(r, params, true);
1.41 parser 693: }
694:
1.111 paf 695: static void _list(Request& r, MethodParams& params) {
696: Value& relative_path=params.as_no_junction(0, "path must not be code");
1.47 parser 697:
1.227 moko 698: bool stat=false;
1.191 misha 699: VRegex* vregex=0;
1.184 misha 700: VRegexCleaner vrcleaner;
1.227 moko 701:
1.184 misha 702: if(params.count()>1){
1.227 moko 703: Value& voption=params.as_no_junction(1, "option must not be code");
704: if(voption.is_defined()) {
705: Value* vfilter=0;
706: if(HashStringValue* options=voption.get_hash()) {
707: int valid_options=0;
708: if(Value* vstat=options->get("stat")) {
1.252 moko 709: stat=r.process(*vstat).as_bool();
1.227 moko 710: valid_options++;
711: }
712: if(Value* value=options->get("filter")) {
713: vfilter=value;
1.230 moko 714: valid_options++;
1.227 moko 715: }
716: if(valid_options!=options->count())
717: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
1.191 misha 718: } else {
1.227 moko 719: vfilter=&voption;
720: }
1.234 moko 721: if(vfilter) {
1.227 moko 722: if(Value* value=vfilter->as(VREGEX_TYPE)) {
723: vregex=static_cast<VRegex*>(value);
724: } else if(vfilter->is_string()) {
725: if(!vfilter->get_string()->trim().is_empty()) {
726: vregex=new VRegex(r.charsets.source(), &vfilter->as_string(), 0/*options*/);
1.234 moko 727: vregex->study();
728: vrcleaner.vregex=vregex;
729: }
1.227 moko 730: } else {
731: throw Exception(PARSER_RUNTIME, 0, "filter must be regex or string");
732: }
1.234 moko 733: }
1.184 misha 734: }
1.114 paf 735: }
1.47 parser 736:
1.196 misha 737: const char* absolute_path_cstr=r.absolute(relative_path.as_string()).taint_cstr(String::L_FILE_SPEC);
1.47 parser 738:
1.227 moko 739: Table::Action_options table_options;
740: Table& table=*new Table(file_list_table_template, table_options);
1.47 parser 741:
1.184 misha 742: const int ovector_size=(1/*match*/)*3;
743: int ovector[ovector_size];
744:
1.47 parser 745: LOAD_DIR(absolute_path_cstr,
1.261 moko 746: const char* file_name_cstr=ffblk.name();
1.111 paf 747: size_t file_name_size=strlen(file_name_cstr);
1.47 parser 748:
1.261 moko 749: if(!vregex || vregex->exec(file_name_cstr, file_name_size, ovector, ovector_size)>=0) {
1.111 paf 750: Table::element_type row(new ArrayString);
1.190 misha 751: *row+=new String(pa_strdup(file_name_cstr, file_name_size), String::L_TAINTED);
1.236 moko 752: *row+=new String(String::Body::Format(ffblk.is_dir(stat) ? 1 : 0), String::L_CLEAN);
1.227 moko 753: if(stat) {
754: *row+=VDouble(ffblk.size()).get_string();
1.232 misha 755: *row+=new String(String::Body::Format((int)ffblk.c_timestamp()), String::L_CLEAN);
756: *row+=new String(String::Body::Format((int)ffblk.m_timestamp()), String::L_CLEAN);
757: *row+=new String(String::Body::Format((int)ffblk.a_timestamp()), String::L_CLEAN);
1.227 moko 758: }
1.111 paf 759: table+=row;
1.47 parser 760: }
761: );
762:
1.60 parser 763: // write out result
1.255 moko 764: r.write(*new VTable(&table));
1.47 parser 765: }
1.21 paf 766:
1.69 paf 767: #ifndef DOXYGEN
768: struct Lock_execute_body_info {
1.111 paf 769: Request* r;
770: Value* body_code;
1.69 paf 771: };
772: #endif
1.235 moko 773:
1.111 paf 774: static void lock_execute_body(int , void *ainfo) {
775: Lock_execute_body_info& info=*static_cast<Lock_execute_body_info *>(ainfo);
1.69 paf 776: // execute body
1.255 moko 777: info.r->write(info.r->process(*info.body_code));
1.235 moko 778: }
779:
1.111 paf 780: static void _lock(Request& r, MethodParams& params) {
1.152 misha 781: const String& file_spec=r.absolute(params.as_string(0, FILE_NAME_MUST_BE_STRING));
1.116 paf 782: Lock_execute_body_info info={
783: &r,
1.117 paf 784: ¶ms.as_junction(1, "body must be code")
1.116 paf 785: };
1.69 paf 786:
1.158 misha 787: file_write_action_under_lock(
788: file_spec,
789: "lock",
790: lock_execute_body,
791: &info);
1.69 paf 792: }
793:
1.219 misha 794: static size_t afterlastslash(const String& str) {
795: size_t pos=str.strrpbrk("/\\");
796: return pos!=STRING_NOT_FOUND?pos+1:0;
797: }
798:
799: static size_t afterlastslash(const String& str, size_t right) {
800: size_t pos=str.strrpbrk("/\\", 0, right);
801: return pos!=STRING_NOT_FOUND?pos+1:0;
802: }
803:
1.111 paf 804: static void _find(Request& r, MethodParams& params) {
1.215 misha 805: const String& file_name=params.as_string(0, FILE_NAME_MUST_NOT_BE_CODE);
1.219 misha 806:
1.215 misha 807: Value* not_found_code=(params.count()==2)?¶ms.as_junction(1, "not-found param must be code"):0;
808:
1.111 paf 809: const String* file_spec;
1.90 paf 810: if(file_name.first_char()=='/')
811: file_spec=&file_name;
812: else
1.111 paf 813: file_spec=&r.relative(r.request_info.uri, file_name);
1.90 paf 814:
815: // easy way
1.142 paf 816: if(file_exist(r.absolute(*file_spec))) {
1.255 moko 817: r.write(*file_spec);
1.90 paf 818: return;
819: }
820:
821: // monkey way
1.219 misha 822: size_t last_slash=file_spec->strrpbrk("/\\");
823: const String& dirname=file_spec->mid(0, last_slash!=STRING_NOT_FOUND?last_slash:0);
824: const String& basename=file_spec->mid(last_slash!=STRING_NOT_FOUND?last_slash+1:0, file_spec->length());
825:
826: size_t rpos=dirname.is_empty()?0:dirname.length()-1;
827: while((rpos=dirname.rskipchars("/\\", 0, rpos))!=STRING_NOT_FOUND){
828: size_t slash=dirname.strrpbrk("/\\", 0, rpos);
829: if(slash==STRING_NOT_FOUND)
830: break;
1.111 paf 831: String test_name;
1.219 misha 832: test_name << dirname.mid(0, slash+1);
833: test_name << basename;
1.142 paf 834: if(file_exist(r.absolute(test_name))) {
1.255 moko 835: r.write(test_name);
1.90 paf 836: return;
837: }
1.219 misha 838: rpos=slash;
1.90 paf 839: }
840:
841: // no way, not found
1.215 misha 842: if(not_found_code)
1.255 moko 843: r.write(r.process(*not_found_code));
1.90 paf 844: }
845:
1.111 paf 846: static void _dirname(Request& r, MethodParams& params) {
1.152 misha 847: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.219 misha 848: // works as *nix dirname
849:
850: // empty > .
851: // / > /
852: // /a > /
853: // /a/ > /
1.180 misha 854: // /a/some.tar.gz > /a
1.219 misha 855: // /a/b/ > /a
856: // /a///b/ > /a
857: // /a/b/// > /a
858: // file > .
859:
860: if(file_spec.is_empty()) {
1.255 moko 861: r.write(String("."));
1.219 misha 862: return;
863: }
864:
865: size_t p;
866: size_t slash;
867: if((p=file_spec.rskipchars("/\\"))==STRING_NOT_FOUND)
1.255 moko 868: r.write(String("/"));
1.219 misha 869: else {
870: if((slash=file_spec.strrpbrk("/\\", 0, p))!=STRING_NOT_FOUND) {
871: if((p=file_spec.rskipchars("/\\", 0, slash))==STRING_NOT_FOUND)
872: p=slash;
1.255 moko 873: r.write(file_spec.mid(0, p+1));
1.219 misha 874: return;
875: }
1.255 moko 876: r.write(String("."));
1.219 misha 877: }
1.89 paf 878: }
879:
1.111 paf 880: static void _basename(Request& r, MethodParams& params) {
1.152 misha 881: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.219 misha 882: // works as *nix basename
883:
884: // empty > .
885: // / > /
886: // /a > a
887: // /a/ > a
1.180 misha 888: // /a/some.tar.gz > some.tar.gz
1.219 misha 889: // /a/b/ > b
890: // /a///b/ > b
891: // /a/b/// > b
892: // file > file
893:
894: if(file_spec.is_empty()) {
1.255 moko 895: r.write(String("."));
1.219 misha 896: return;
897: }
898:
899: size_t p=file_spec.rskipchars("/\\");
900: if(p==STRING_NOT_FOUND)
1.255 moko 901: r.write(String("/"));
1.219 misha 902: else
1.255 moko 903: r.write(file_spec.mid(afterlastslash(file_spec, p), p+1));
1.89 paf 904: }
905:
1.111 paf 906: static void _justname(Request& r, MethodParams& params) {
1.152 misha 907: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.180 misha 908: // /a/some.tar.gz > some.tar
1.219 misha 909: // /a/b.c/ > empty
910: // /a/b.c > b
911: size_t pos=afterlastslash(file_spec);
912: size_t dotpos=file_spec.strrpbrk(".", pos);
1.255 moko 913: r.write(file_spec.mid(pos, dotpos!=STRING_NOT_FOUND?dotpos:file_spec.length()));
1.89 paf 914: }
1.219 misha 915:
1.111 paf 916: static void _justext(Request& r, MethodParams& params) {
1.152 misha 917: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.180 misha 918: // /a/some.tar.gz > gz
1.219 misha 919: // /a/b.c/ > empty
920: size_t pos=afterlastslash(file_spec);
921: size_t dotpos=file_spec.strrpbrk(".", pos);
922: if(dotpos!=STRING_NOT_FOUND)
1.255 moko 923: r.write(file_spec.mid(dotpos+1, file_spec.length()));
1.89 paf 924: }
925:
1.111 paf 926: static void _fullpath(Request& r, MethodParams& params) {
1.152 misha 927: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.111 paf 928: const String* result;
1.102 paf 929: if(file_spec.first_char()=='/')
930: result=&file_spec;
931: else {
932: // /some/page.html: ^file:fullpath[a.gif] => /some/a.gif
933: const String& full_disk_path=r.absolute(file_spec);
1.111 paf 934: size_t document_root_length=strlen(r.request_info.document_root);
1.106 paf 935:
936: if(document_root_length>0) {
1.111 paf 937: char last_char=r.request_info.document_root[document_root_length-1];
1.106 paf 938: if(last_char == '/' || last_char == '\\')
939: --document_root_length;
940: }
1.111 paf 941: result=&full_disk_path.mid(document_root_length, full_disk_path.length());
1.102 paf 942: }
1.255 moko 943: r.write(*result);
1.102 paf 944: }
945:
1.121 paf 946: static void _sql_string(Request& r, MethodParams&) {
947: VFile& self=GET_SELF(r, VFile);
948:
949: const char *quoted=r.connection()->quote(self.value_ptr(), self.value_size());
1.255 moko 950: r.write(*new String(quoted));
1.121 paf 951: }
1.89 paf 952:
1.122 paf 953: #ifndef DOXYGEN
954: class File_sql_event_handlers: public SQL_Driver_query_event_handlers {
955: int got_columns;
956: int got_cells;
957: public:
958: String::C value;
1.131 paf 959: const String* user_file_name;
960: const String* user_content_type;
1.122 paf 961: public:
1.265 moko 962: File_sql_event_handlers():
1.122 paf 963: got_columns(0),
964: got_cells(0),
965: user_file_name(0),
966: user_content_type(0) {}
967:
968: bool add_column(SQL_Error& error, const char* /*str*/, size_t /*length*/) {
969: if(got_columns++==3) {
1.265 moko 970: error=SQL_Error("result must contain not more then 3 columns");
1.122 paf 971: return true;
972: }
973: return false;
974: }
975: bool before_rows(SQL_Error& /*error*/ ) { /* ignore */ return false; }
976: bool add_row(SQL_Error& /*error*/) { /* ignore */ return false; }
977: bool add_row_cell(SQL_Error& error, const char* str, size_t length) {
978: try {
979: switch(got_cells++) {
980: case 0:
981: value=String::C(str, length);
982: break;
983: case 1:
1.131 paf 984: if(!user_file_name) // user not specified?
1.190 misha 985: user_file_name=new String(str, String::L_TAINTED);
1.122 paf 986: break;
987: case 2:
1.131 paf 988: if(!user_content_type) // user not specified?
1.190 misha 989: user_content_type=new String(str, String::L_TAINTED);
1.122 paf 990: break;
991: default:
1.265 moko 992: error=SQL_Error("result must not contain more then one row, three columns");
1.122 paf 993: return true;
994: }
995: return false;
996: } catch(...) {
1.263 moko 997: error=SQL_Error("exception occurred in File_sql_event_handlers::add_row_cell");
1.122 paf 998: return true;
999: }
1000: }
1001: };
1002: #endif
1003: static void _sql(Request& r, MethodParams& params) {
1.131 paf 1004: Value& statement=params.as_junction(0, "statement must be code");
1.122 paf 1005:
1006: const String& statement_string=r.process_to_string(statement);
1.254 moko 1007: const char* statement_cstr=statement_string.untaint_cstr(String::L_SQL, r.connection());
1.195 misha 1008:
1.265 moko 1009: File_sql_event_handlers handlers;
1.131 paf 1010:
1.173 misha 1011: ulong limit=SQL_NO_LIMIT;
1.172 misha 1012: ulong offset=0;
1013:
1.131 paf 1014: if(params.count()>1)
1.220 misha 1015: if(HashStringValue* options=params.as_hash(1, "sql options")) {
1.131 paf 1016: int valid_options=0;
1017: if(Value* vfilename=options->get(NAME_NAME)) {
1018: valid_options++;
1019: handlers.user_file_name=&vfilename->as_string();
1020: }
1021: if(Value* vcontent_type=options->get(CONTENT_TYPE_NAME)) {
1022: valid_options++;
1023: handlers.user_content_type=&vcontent_type->as_string();
1024: }
1.173 misha 1025: if(Value* vlimit=options->get(sql_limit_name)) {
1026: valid_options++;
1.252 moko 1027: limit=(ulong)r.process(*vlimit).as_double();
1.173 misha 1028: }
1.172 misha 1029: if(Value* voffset=options->get(sql_offset_name)) {
1030: valid_options++;
1.252 moko 1031: offset=(ulong)r.process(*voffset).as_double();
1.172 misha 1032: }
1.131 paf 1033: if(valid_options!=options->count())
1.207 misha 1034: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
1.131 paf 1035: }
1036:
1037:
1.265 moko 1038: r.connection()->query(statement_cstr, 0, 0, offset, limit, handlers, statement_string);
1.122 paf 1039:
1.238 moko 1040: if(!handlers.value.str)
1041: throw Exception(PARSER_RUNTIME, 0, "produced no result");
1.122 paf 1042:
1.215 misha 1043: VFile& self=GET_SELF(r, VFile);
1.122 paf 1044:
1.222 moko 1045: self.set_binary(true/*tainted*/, handlers.value.str, handlers.value.length, handlers.user_file_name
1.215 misha 1046: , handlers.user_content_type ? new VString(*handlers.user_content_type) : 0
1047: , &r);
1.122 paf 1048: }
1.140 paf 1049:
1.266 moko 1050: extern Base64Options base64_encode_options(Request& r, HashStringValue* options);
1051:
1052: Base64Options base64_decode_options(Request& r, HashStringValue* options, VString** vcontent_type) {
1053: Base64Options result;
1054: if(options) {
1055: int valid_options=0;
1056: for(HashStringValue::Iterator i(*options); i; i.next() ) {
1057: String::Body key=i.key();
1058: Value* value=i.value();
1059: if(key == "pad") {
1060: result.pad=r.process(*value).as_bool();
1061: valid_options++;
1062: } else if(key == "strict") {
1063: result.strict=r.process(*value).as_bool();
1064: valid_options++;
1065: } else if(key == CONTENT_TYPE_NAME) {
1066: *vcontent_type=new VString(value->as_string());
1067: valid_options++;
1068: } else if(key == "url-safe") {
1069: if(r.process(*value).as_bool())
1070: result.set_url_safe_abc();
1071: valid_options++;
1072: }
1073: }
1074:
1075: if(valid_options != options->count())
1076: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
1077: }
1078: return result;
1079: }
1080:
1.139 paf 1081: static void _base64(Request& r, MethodParams& params) {
1.209 misha 1082: bool dynamic=!(&r.get_self() == file_class);
1083: if(dynamic) {
1.180 misha 1084: VFile& self=GET_SELF(r, VFile);
1.267 moko 1085: if(params.count()>1 || params.count()==1 && params[0].is_string()) {
1.209 misha 1086: // decode:
1087: // ^file::base64[encoded] // backward
1.217 misha 1088: // ^file::base64[mode;user-file-name;encoded[;$.content-type[...] $.strict(true|false)]]
1.209 misha 1089: bool is_text=false;
1.266 moko 1090: const String* user_file_name=0;
1.209 misha 1091: VString* vcontent_type=0;
1.266 moko 1092: Base64Options options;
1093:
1.209 misha 1094: size_t param_index=0;
1095:
1096: if(params.count() > 1) {
1097: if(params.count() < 3)
1.266 moko 1098: throw Exception(PARSER_RUNTIME, 0, "constructor can not have less then 3 parameters (has %d parameters)", params.count()); // actually it accepts 1 parameter (backward)
1.209 misha 1099:
1.215 misha 1100: is_text=VFile::is_text_mode(params.as_string(0, MODE_MUST_NOT_BE_CODE));
1101: user_file_name=¶ms.as_string(1, FILE_NAME_MUST_BE_STRING);
1.209 misha 1102:
1103: if(params.count() == 4)
1.266 moko 1104: options=base64_decode_options(r, params.as_hash(3), &vcontent_type);
1.209 misha 1105:
1106: param_index=2;
1107: }
1108:
1109: const char* encoded=params.as_string(param_index, PARAMETER_MUST_BE_STRING).cstr();
1110:
1.180 misha 1111: char* decoded=0;
1.268 moko 1112: size_t length=pa_base64_decode(encoded, strlen(encoded), decoded, options);
1.209 misha 1113:
1.221 misha 1114: self.set(true/*tainted*/, is_text, decoded, length, user_file_name, vcontent_type, &r);
1.180 misha 1115: } else {
1.266 moko 1116: // encode: ^f.base64[options]
1117: Base64Options options = base64_encode_options(r, params.count() > 0 ? params.as_hash(0) : NULL);
1118: const char* encoded=pa_base64_encode(self.value_ptr(), self.value_size(), options);
1119: r.write(*new String(encoded, String::L_TAINTED /*once ?param=base64(something) was needed**/ ));
1.180 misha 1120: }
1.151 misha 1121: } else {
1.266 moko 1122: // encode: ^file:base64[filespec[;options]]
1123: const String& file_spec = params.as_string(0, FILE_NAME_MUST_BE_STRING);
1124: Base64Options options = base64_encode_options(r, params.count() > 1 ? params.as_hash(1) : NULL);
1125: const char* encoded = pa_base64_encode(r.absolute(file_spec), options);
1126: r.write(*new String(encoded, String::L_TAINTED /*once ?param=base64(something) was needed*/ ));
1.151 misha 1127: }
1.139 paf 1128: }
1.140 paf 1129:
1.146 misha 1130: static void _crc32(Request& r, MethodParams& params) {
1131: unsigned long crc32 = 0;
1132: if(&r.get_self() == file_class) {
1133: // ^file:crc32[file-name]
1134: if(params.count()) {
1.152 misha 1135: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.146 misha 1136: crc32=pa_crc32(r.absolute(file_spec));
1137: } else {
1.215 misha 1138: throw Exception(PARSER_RUNTIME, 0, FILE_NAME_MUST_BE_SPECIFIED);
1.146 misha 1139: }
1140: } else {
1141: // ^file.crc32[]
1142: VFile& self=GET_SELF(r, VFile);
1143: crc32=pa_crc32(self.value_ptr(), self.value_size());
1144: }
1.255 moko 1145: r.write(*new VInt(crc32));
1.146 misha 1146: }
1147:
1148:
1.243 moko 1149: static void file_md5_file_action(struct stat& finfo, int f, const String&, void *context)
1.147 misha 1150: {
1151: PA_MD5_CTX& md5context=*static_cast<PA_MD5_CTX *>(context);
1152: if(finfo.st_size) {
1.148 misha 1153: int nCount=0;
1.147 misha 1154: do {
1155: unsigned char buffer[FILE_BUFFER_SIZE];
1.150 misha 1156: nCount = file_block_read(f, buffer, sizeof(buffer));
1.147 misha 1157: if ( nCount ){
1158: pa_MD5Update(&md5context, (const unsigned char*)buffer, nCount);
1159: }
1.148 misha 1160: } while(nCount > 0);
1.147 misha 1161: }
1162: }
1163:
1164: const char* pa_md5(const String& file_spec)
1165: {
1166: PA_MD5_CTX context;
1167: unsigned char digest[16];
1168: pa_MD5Init(&context);
1169: file_read_action_under_lock(file_spec, "md5", file_md5_file_action, &context);
1170: pa_MD5Final(digest, &context);
1171:
1172: return hex_string(digest, sizeof(digest), false);
1173: }
1174:
1175: const char* pa_md5(const char *in, size_t in_size)
1176: {
1177: PA_MD5_CTX context;
1178: unsigned char digest[16];
1179: pa_MD5Init(&context);
1180: pa_MD5Update(&context, (const unsigned char*)in, in_size);
1181: pa_MD5Final(digest, &context);
1182:
1183: return hex_string(digest, sizeof(digest), false);
1184: }
1185:
1186: static void _md5(Request& r, MethodParams& params) {
1187: const char* md5;
1188: if(&r.get_self() == file_class) {
1189: // ^file:md5[file-name]
1190: if(params.count()) {
1.152 misha 1191: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.147 misha 1192: md5=pa_md5(r.absolute(file_spec));
1193: } else {
1.215 misha 1194: throw Exception(PARSER_RUNTIME, 0, FILE_NAME_MUST_BE_SPECIFIED);
1.147 misha 1195: }
1196: } else {
1197: // ^file.md5[]
1198: VFile& self=GET_SELF(r, VFile);
1199: md5=pa_md5(self.value_ptr(), self.value_size());
1200:
1201: }
1.255 moko 1202: r.write(*new String(md5));
1.147 misha 1203: }
1204:
1.32 paf 1205: // constructor
1206:
1.111 paf 1207: MFile::MFile(): Methoded("file") {
1.215 misha 1208: // ^file::create[text|binary;file-name;string-or-file[;options hash]]
1209: // ^file::create[string-or-file[;options hash]]
1210: add_native_method("create", Method::CT_DYNAMIC, _create, 1, 4);
1.138 paf 1211:
1.146 misha 1212: // ^file.save[mode;file-name]
1.201 misha 1213: // ^file.save[mode;file-name;$.charset[...]]
1214: add_native_method("save", Method::CT_DYNAMIC, _save, 2, 3);
1.7 paf 1215:
1.146 misha 1216: // ^file:delete[file-name]
1.225 misha 1217: // ^file:delete[file-name;$.keep-empty-dir(true)$.exception(false)]
1.224 misha 1218: add_native_method("delete", Method::CT_STATIC, _delete, 1, 2);
1.45 parser 1219:
1.146 misha 1220: // ^file:move[from-file-name;to-file-name]
1.224 misha 1221: // ^file:move[from-file-name;to-file-name;$.keep-empty-dir(true)]
1222: add_native_method("move", Method::CT_STATIC, _move, 2, 3);
1.8 paf 1223:
1.146 misha 1224: // ^file::load[mode;disk-name]
1225: // ^file::load[mode;disk-name;user-name]
1.201 misha 1226: // ^file::load[mode;disk-name;user-name;options hash]
1227: // ^file::load[mode;disk-name;options hash]
1.180 misha 1228: add_native_method("load", Method::CT_DYNAMIC, _load, 2, 4);
1.25 paf 1229:
1.146 misha 1230: // ^file::stat[disk-name]
1.32 paf 1231: add_native_method("stat", Method::CT_DYNAMIC, _stat, 1, 1);
1.21 paf 1232:
1.162 misha 1233: // ^file::cgi[mode;file-name]
1234: // ^file::cgi[mode;file-name;env hash]
1235: // ^file::cgi[mode;file-name;env hash;1cmd;2line;3ar;4g;5s]
1236: add_native_method("cgi", Method::CT_DYNAMIC, _cgi, 1, 3+50);
1237:
1238: // ^file::exec[mode;file-name]
1239: // ^file::exec[mode;file-name;env hash]
1240: // ^file::exec[mode;file-name;env hash;1cmd;2line;3ar;4g;5s]
1241: add_native_method("exec", Method::CT_DYNAMIC, _exec, 1, 3+50);
1.47 parser 1242:
1243: // ^file:list[path]
1244: // ^file:list[path][regexp]
1.228 moko 1245: // ^file:list[path][$.filter[regexp] $.stat(true)]
1.47 parser 1246: add_native_method("list", Method::CT_STATIC, _list, 1, 2);
1.69 paf 1247:
1248: // ^file:lock[path]{code}
1249: add_native_method("lock", Method::CT_STATIC, _lock, 2, 2);
1.90 paf 1250:
1.146 misha 1251: // ^file:find[file-name]
1252: // ^file:find[file-name]{when-not-found}
1.90 paf 1253: add_native_method("find", Method::CT_STATIC, _find, 1, 2);
1.47 parser 1254:
1.201 misha 1255: // ^file:dirname[/a/some.tar.gz]=/a
1.89 paf 1256: // ^file:dirname[/a/b/]=/a
1257: add_native_method("dirname", Method::CT_STATIC, _dirname, 1, 1);
1.201 misha 1258: // ^file:basename[/a/some.tar.gz]=some.tar.gz
1259: add_native_method("basename", Method::CT_STATIC, _basename, 1, 1);
1260: // ^file:justname[/a/some.tar.gz]=some.tar
1.89 paf 1261: add_native_method("justname", Method::CT_STATIC, _justname, 1, 1);
1.201 misha 1262: // ^file:justext[/a/some.tar.gz]=gz
1.89 paf 1263: add_native_method("justext", Method::CT_STATIC, _justext, 1, 1);
1.201 misha 1264: // /some/page.html: ^file:fullpath[a.gif] => /some/a.gif
1.102 paf 1265: add_native_method("fullpath", Method::CT_STATIC, _fullpath, 1, 1);
1.121 paf 1266:
1.201 misha 1267: // ^file.sql-string[]
1.121 paf 1268: add_native_method("sql-string", Method::CT_DYNAMIC, _sql_string, 0, 0);
1.122 paf 1269:
1.209 misha 1270: // ^file::sql{}
1.201 misha 1271: // ^file::sql{}[options hash]
1.122 paf 1272: add_native_method("sql", Method::CT_DYNAMIC, _sql, 1, 2);
1.139 paf 1273:
1.209 misha 1274: // encode:
1275: // ^file.base64[]
1276: // ^file:base64[file-name]
1277: // decode:
1278: // ^file::base64[encoded] // backward
1279: // ^file::base64[mode;user-file-name;encoded]
1280: // ^file::base64[mode;user-file-name;encoded;$.content-type[...]]
1281: add_native_method("base64", Method::CT_ANY, _base64, 0, 4);
1.146 misha 1282:
1283: // ^file.crc32[]
1284: // ^file:crc32[file-name]
1285: add_native_method("crc32", Method::CT_ANY, _crc32, 0, 1);
1.147 misha 1286:
1287: // ^file.md5[]
1288: // ^file:md5[file-name]
1289: add_native_method("md5", Method::CT_ANY, _md5, 0, 1);
1290:
1.148 misha 1291: // ^file:copy[from-file-name;to-file-name]
1.264 moko 1292: // ^file:copy[from-file-name;to-file-name;$.append(false)]
1293: add_native_method("copy", Method::CT_STATIC, _copy, 2, 3);
1.1 paf 1294: }
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