Annotation of parser3/src/classes/file.C, revision 1.266
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:
1.266 ! moko 29: volatile const char * IDENT_FILE_C="$Id: file.C,v 1.265 2019/09/11 15:26:08 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: }
286: // no check on options count here, see file_read
287: }
1.182 misha 288: File_read_result file=file_load(r, lfile_name,
1.180 misha 289: as_text, options, true, 0, offset, limit
1.104 paf 290: );
1.9 paf 291:
1.111 paf 292: Value* vcontent_type=0;
1.168 misha 293: if(file.headers){
1.181 misha 294: if(Value* remote_content_type=file.headers->get(HTTP_CONTENT_TYPE_UPPER))
1.129 paf 295: vcontent_type=new VString(*new String(remote_content_type->as_string().cstr()));
296: }
1.221 misha 297:
1.111 paf 298: VFile& self=GET_SELF(r, VFile);
1.221 misha 299: self.set(true/*tainted*/, as_text, file.str, file.length, user_file_name, vcontent_type, &r);
1.194 misha 300:
1.168 misha 301: if(file.headers){
1.143 paf 302: file.headers->for_each<HashStringValue*>(_load_pass_param, &self.fields());
1.168 misha 303: } else {
1.258 moko 304: uint64_t size;
1.168 misha 305: time_t atime, mtime, ctime;
306:
1.169 misha 307: file_stat(lfile_name, size, atime, mtime, ctime);
1.168 misha 308:
309: HashStringValue& ff=self.fields();
1.237 moko 310: ff.put(adate_name, new VDate((pa_time_t)atime));
311: ff.put(mdate_name, new VDate((pa_time_t)mtime));
312: ff.put(cdate_name, new VDate((pa_time_t)ctime));
1.168 misha 313: }
1.9 paf 314: }
315:
1.138 paf 316: static void _create(Request& r, MethodParams& params) {
1.215 misha 317: const String* mode=0;
318: const String* file_name=0;
319: bool is_text=true;
320:
321: // new format: ^file::create[string-or-file-content[;$.mode[text|binary] $.name[...] $.content-type[...] $.charset[...] ]]
322: size_t content_index=0;
323: size_t options_index=1;
324: bool extended_options=true;
325:
326: if(params.count()>=3){
327: // old format: ^file::create[text|binary;file-name;string-or-file-content[;options]]
328: mode=¶ms.as_string(0, MODE_MUST_NOT_BE_CODE);
329: is_text=VFile::is_text_mode(*mode);
330: file_name=¶ms.as_string(1, FILE_NAME_MUST_NOT_BE_CODE);
331: content_index=2;
332: options_index=3;
333: extended_options=false;
334: }
1.203 misha 335:
1.211 misha 336: VString* vcontent_type=0;
1.245 moko 337: Charset* to_charset=0;
338: Charset* from_charset=0;
1.215 misha 339: if(params.count()>options_index)
340: if(HashStringValue* options=params.as_hash(options_index)) {
1.203 misha 341: int valid_options=0;
1.215 misha 342: if(extended_options) {
343: if(Value* vmode=options->get(MODE_NAME)) {
344: mode=&vmode->as_string();
345: is_text=VFile::is_text_mode(*mode);
346: valid_options++;
347: }
348: if(Value* vfile_name=options->get(NAME_NAME)) {
349: file_name=&vfile_name->as_string();
350: valid_options++;
351: }
352: }
1.245 moko 353: if(Value* vcharset_name=options->get("to-charset")) {
1.251 moko 354: to_charset=&pa_charsets.get(vcharset_name->as_string());
1.245 moko 355: valid_options++;
356: }
357: if(Value* vcharset_name=options->get("from-charset")) {
1.251 moko 358: from_charset=&pa_charsets.get(vcharset_name->as_string());
1.245 moko 359: valid_options++;
360: }
1.215 misha 361: if(Value* vcharset_name=options->get(PA_CHARSET_NAME)) {
1.245 moko 362: if(to_charset)
363: throw Exception(PARSER_RUNTIME, 0, "charset option can not be used with to-charset");
1.251 moko 364: to_charset=&pa_charsets.get(vcharset_name->as_string());
1.203 misha 365: valid_options++;
366: }
1.211 misha 367: if(Value* value=options->get(CONTENT_TYPE_NAME)) {
368: vcontent_type=new VString(value->as_string());
369: valid_options++;
370: }
1.203 misha 371: if(valid_options != options->count())
1.207 misha 372: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
1.215 misha 373: }
1.211 misha 374:
1.215 misha 375: Value& vcontent=params.as_no_junction(content_index, "content must be string or file");
1.203 misha 376:
1.138 paf 377: VFile& self=GET_SELF(r, VFile);
1.194 misha 378:
1.215 misha 379: if(const String* content_str=vcontent.get_string()){
1.229 moko 380: 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 381: self.set(true/*tainted*/, is_text, body.cstrm(), body.length(), file_name, vcontent_type, &r);
1.215 misha 382: } else {
1.245 moko 383: VFile& fcontent=*vcontent.as_vfile(String::L_AS_IS); // can't be null
1.248 moko 384: if(mode){
385: self.set(fcontent, &is_text, file_name, vcontent_type, &r);
386: if(is_text && !fcontent.is_text_mode())
387: from_charset=self.detect_binary_charset(from_charset);
388: } else {
389: self.set(fcontent, 0, file_name, vcontent_type, &r);
390: is_text=fcontent.is_text_mode();
391: }
1.215 misha 392: }
393:
1.245 moko 394: if(to_charset || from_charset)
395: if(is_text)
396: self.transcode(from_charset ? *from_charset : r.charsets.source(), to_charset ? *to_charset : r.charsets.source());
397: else
398: throw Exception(PARSER_RUNTIME, 0, "charset options can not be used with binary content");
1.138 paf 399: }
400:
1.111 paf 401: static void _stat(Request& r, MethodParams& params) {
1.215 misha 402: const String& lfile_name=params.as_string(0, FILE_NAME_MUST_NOT_BE_CODE);
1.25 paf 403:
1.258 moko 404: uint64_t size;
1.40 parser 405: time_t atime, mtime, ctime;
1.245 moko 406: file_stat(r.absolute(lfile_name), size, atime, mtime, ctime);
1.25 paf 407:
1.111 paf 408: VFile& self=GET_SELF(r, VFile);
1.167 misha 409:
1.258 moko 410: self.set_binary(true/*tainted*/, 0 /*no bytes*/, 0 /*fake size*/, &lfile_name, 0, &r);
1.111 paf 411: HashStringValue& ff=self.fields();
1.259 moko 412: ff.put(size_name, new VDouble((double)size) /*real size*/);
1.237 moko 413: ff.put(adate_name, new VDate((pa_time_t)atime));
414: ff.put(mdate_name, new VDate((pa_time_t)mtime));
415: ff.put(cdate_name, new VDate((pa_time_t)ctime));
1.25 paf 416: }
417:
1.111 paf 418: static bool is_safe_env_key(const char* key) {
419: for(const char* validator=key; *validator; validator++) {
420: char c=*validator;
1.234 moko 421: if(!( (c>='A' && c<='Z') || (c>='0' && c<='9') || (c=='_' || c=='-') ))
1.111 paf 422: return false;
423: }
1.205 pretende 424: #ifdef PA_SAFE_MODE
1.88 paf 425: if(strncasecmp(key, "HTTP_", 5)==0)
1.83 paf 426: return true;
1.87 paf 427: if(strncasecmp(key, "CGI_", 4)==0)
1.83 paf 428: return true;
429: for(int i=0; suexec_safe_env_lst[i]; i++) {
1.87 paf 430: if(strcasecmp(key, suexec_safe_env_lst[i])==0)
1.83 paf 431: return true;
432: }
433: return false;
1.205 pretende 434: #else
435: return true;
436: #endif
1.83 paf 437: }
1.90 paf 438: #ifndef DOXYGEN
439: struct Append_env_pair_info {
1.141 paf 440: Request_charsets* charsets;
1.111 paf 441: HashStringString* env;
1.100 paf 442: Value* vstdin;
1.90 paf 443: };
444: #endif
1.111 paf 445: static void append_env_pair(
1.180 misha 446: HashStringValue::key_type akey,
447: HashStringValue::value_type avalue,
448: Append_env_pair_info *info) {
1.111 paf 449: if(akey==STDIN_EXEC_PARAM_NAME) {
450: info->vstdin=avalue;
451: } else if(akey==CHARSET_EXEC_PARAM_NAME) {
1.141 paf 452: // ignore, already processed
1.90 paf 453: } else {
1.111 paf 454: if(!is_safe_env_key(akey.cstr()))
1.156 misha 455: throw Exception(PARSER_RUNTIME,
1.111 paf 456: new String(akey, String::L_TAINTED),
1.90 paf 457: "not safe environment variable");
1.196 misha 458: info->env->put(akey, avalue->as_string().cstr_to_string_body_untaint(String::L_AS_IS, 0, info->charsets));
1.90 paf 459: }
1.22 paf 460: }
1.94 paf 461: #ifndef DOXYGEN
462: struct Pass_cgi_header_attribute_info {
1.111 paf 463: Charset* charset;
464: HashStringValue* fields;
465: Value* content_type;
1.94 paf 466: };
467: #endif
1.111 paf 468: static void pass_cgi_header_attribute(
1.180 misha 469: ArrayString::element_type astring,
470: Pass_cgi_header_attribute_info* info) {
1.111 paf 471: size_t colon_pos=astring->pos(':');
1.130 paf 472: if(colon_pos!=STRING_NOT_FOUND) {
1.111 paf 473: const String& key=astring->mid(0, colon_pos).change_case(
474: *info->charset, String::CC_UPPER);
1.130 paf 475: Value* value=new VString(astring->mid(colon_pos+1, astring->length()).trim());
1.111 paf 476: info->fields->put(key, value);
1.181 misha 477: if(key==HTTP_CONTENT_TYPE_UPPER)
1.111 paf 478: info->content_type=value;
1.94 paf 479: }
1.29 paf 480: }
1.155 misha 481:
482: static void append_to_argv(Request& r, ArrayString& argv, const String* str){
1.187 misha 483: if(!str->is_empty())
1.229 moko 484: 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 485: }
486:
1.90 paf 487: /// @todo fix `` in perl - they produced flipping consoles and no output to perl
1.194 misha 488: static void _exec_cgi(Request& r, MethodParams& params, bool cgi) {
1.215 misha 489: bool is_text=true;
1.194 misha 490: size_t param_index=0;
1.215 misha 491: const String& mode=params.as_string(0, FIRST_ARG_MUST_NOT_BE_CODE);
492: if(VFile::is_valid_mode(mode)) {
493: is_text=VFile::is_text_mode(mode);
1.194 misha 494: param_index++;
1.162 misha 495: }
496:
497: if(param_index>=params.count())
1.215 misha 498: throw Exception(PARSER_RUNTIME, 0, FILE_NAME_MUST_BE_SPECIFIED);
1.162 misha 499:
1.215 misha 500: const String& script_name=r.absolute(params.as_string(param_index++, FILE_NAME_MUST_NOT_BE_CODE));
1.23 paf 501:
1.111 paf 502: HashStringString env;
1.239 moko 503: #define ECSTR(name, value_cstr) if(value_cstr) env.put(#name, value_cstr);
1.233 moko 504: // passing environment
505: for(SAPI::Env::Iterator i(r.sapi_info); i; i.next() )
1.239 moko 506: env.put(i.key(), i.value() );
1.82 paf 507:
1.23 paf 508: // const
1.63 paf 509: ECSTR(GATEWAY_INTERFACE, "CGI/1.1");
1.231 moko 510: ECSTR(PARSER_VERSION, PARSER_VERSION);
1.23 paf 511: // from Request.info
1.111 paf 512: ECSTR(DOCUMENT_ROOT, r.request_info.document_root);
513: ECSTR(PATH_TRANSLATED, r.request_info.path_translated);
514: ECSTR(REQUEST_METHOD, r.request_info.method);
515: ECSTR(QUERY_STRING, r.request_info.query_string);
516: ECSTR(REQUEST_URI, r.request_info.uri);
517: ECSTR(CONTENT_TYPE, r.request_info.content_type);
1.200 misha 518: ECSTR(CONTENT_LENGTH, format(r.request_info.content_length, "%u"));
1.82 paf 519: // SCRIPT_*
1.240 moko 520: env.put("SCRIPT_NAME", script_name);
1.23 paf 521:
1.90 paf 522: // environment & stdin from param
1.256 moko 523: bool in_is_text_mode=true;
524: String::C in;
1.109 paf 525: Charset *charset=0; // default script works raw_in 'source' charset = no transcoding needed
1.162 misha 526: if(param_index < params.count()) {
1.220 misha 527: if(HashStringValue* user_env=params.as_hash(param_index++, "env")) {
1.141 paf 528: // $.charset [previewing to handle URI pieces]
529: if(Value* vcharset=user_env->get(CHARSET_EXEC_PARAM_NAME))
1.251 moko 530: charset=&pa_charsets.get(vcharset->as_string());
1.141 paf 531:
532: // $.others
533: Append_env_pair_info info={&r.charsets, &env, 0};
534: {
1.144 paf 535: // influence tainting
536: // main target -- $.QUERY_STRING -- URLencoding of tainted pieces to String::L_URI lang
1.141 paf 537: Temp_client_charset temp(r.charsets, charset? *charset: r.charsets.source());
1.143 paf 538: user_env->for_each<Append_env_pair_info*>(append_env_pair, &info);
1.141 paf 539: }
1.109 paf 540: // $.stdin
1.103 paf 541: if(info.vstdin) {
1.111 paf 542: if(const String* sstdin=info.vstdin->get_string()) {
1.213 moko 543: // untaint stdin
1.256 moko 544: in = String::C(sstdin->cstr_to_string_body_untaint(String::L_AS_IS, r.connection(false), &r.charsets));
1.103 paf 545: } else
1.256 moko 546: if(VFile* vfile=static_cast<VFile *>(info.vstdin->as("file"))){
547: in = String::C((const char* )vfile->value_ptr(), vfile->value_size());
548: in_is_text_mode = vfile->is_text_mode();
549: } else
550: throw Exception(PARSER_RUNTIME, 0, STDIN_EXEC_PARAM_NAME " parameter must be string or file");
1.103 paf 551: }
1.90 paf 552: }
1.21 paf 553: }
554:
1.90 paf 555: // argv from params
1.111 paf 556: ArrayString argv;
1.162 misha 557: if(param_index < params.count()) {
1.180 misha 558: // influence tainting
559: Temp_client_charset temp(r.charsets, charset? *charset: r.charsets.source());
1.154 misha 560:
1.162 misha 561: for(size_t i=param_index; i<params.count(); i++) {
1.161 misha 562: Value& param=params.as_no_junction(i, PARAM_MUST_NOT_BE_CODE);
1.154 misha 563: if(param.is_defined()){
564: if(param.is_string()){
1.155 misha 565: append_to_argv(r, argv, param.get_string());
1.154 misha 566: } else {
1.155 misha 567: Table* table=param.get_table();
568: if(table){
1.250 moko 569: for(size_t j=0; j<table->count(); j++)
570: append_to_argv(r, argv, table->get(j)->get(0));
1.154 misha 571: } else {
1.250 moko 572: throw Exception(PARSER_RUNTIME, 0, "param must be string or table");
1.154 misha 573: }
574: }
1.145 misha 575: }
1.144 paf 576: }
1.21 paf 577: }
1.90 paf 578:
1.109 paf 579: // transcode if necessary
580: if(charset) {
1.111 paf 581: Charset::transcode(env, r.charsets.source(), *charset);
582: Charset::transcode(argv, r.charsets.source(), *charset);
1.256 moko 583: if(in_is_text_mode)
584: in=Charset::transcode(in, r.charsets.source(), *charset);
1.111 paf 585: }
586: // @todo
587: // ifdef WIN32 do OEM->ANSI transcode on some(.cmd?) programs to
588: // match silent conversion in OS
589:
590: // exec!
1.256 moko 591: PA_exec_result execution=pa_exec(false/*forced_allow*/, script_name, &env, argv, in);
1.111 paf 592:
1.162 misha 593: File_read_result *file_out=&execution.out;
1.111 paf 594: String *real_err=&execution.err;
1.162 misha 595:
1.165 misha 596: // transcode err if necessary (@todo: need fix line breaks in err as well )
597: if(charset)
598: real_err=&Charset::transcode(*real_err, *charset, r.charsets.source());
599:
1.215 misha 600: if(file_out->length && is_text){
1.162 misha 601: fix_line_breaks(file_out->str, file_out->length);
602: // treat output as string
1.188 misha 603: String *real_out = new String(file_out->str);
1.162 misha 604:
1.165 misha 605: // transcode out if necessary
606: if(charset)
1.162 misha 607: real_out=&Charset::transcode(*real_out, *charset, r.charsets.source());
1.165 misha 608:
1.162 misha 609: // FIXME: unsafe cast
1.163 misha 610: file_out->str=const_cast<char *>(real_out->cstr()); // hacking a little
1.162 misha 611: file_out->length = real_out->length();
1.109 paf 612: }
613:
1.111 paf 614: VFile& self=GET_SELF(r, VFile);
1.109 paf 615:
1.162 misha 616: if(cgi) { // ^file::cgi
1.163 misha 617: const char* eol_marker=0;
618: size_t eol_marker_size;
619:
1.111 paf 620: // construct with 'out' body and header
1.165 misha 621: size_t dos_pos=(file_out->length)?strpos(file_out->str, "\r\n\r\n"):STRING_NOT_FOUND;
622: size_t unix_pos=(file_out->length)?strpos(file_out->str, "\n\n"):STRING_NOT_FOUND;
1.111 paf 623:
624: bool unix_header_break;
625: switch((dos_pos!=STRING_NOT_FOUND?10:00) + (unix_pos!=STRING_NOT_FOUND?01:00)) {
1.166 misha 626: case 10: // dos
627: unix_header_break=false;
628: break;
629: case 01: // unix
630: unix_header_break=true;
631: break;
632: case 11: // dos & unix
633: unix_header_break=unix_pos<dos_pos;
634: break;
635: default: // 00
636: unix_header_break=false; // calm down, compiler
1.179 misha 637: throw Exception("file.execute",
1.166 misha 638: 0,
639: "output does not contain CGI header; "
640: "exit status=%d; stdoutsize=%u; stdout: \"%s\"; stderrsize=%u; stderr: \"%s\"",
641: execution.status,
1.194 misha 642: file_out->length, (file_out->length) ? (file_out->str) : "",
643: real_err->length(), real_err->cstr());
1.166 misha 644: break; //never reached
1.111 paf 645: }
646:
1.165 misha 647: size_t header_break_pos;
1.111 paf 648: if(unix_header_break) {
649: header_break_pos=unix_pos;
1.165 misha 650: eol_marker="\n";
651: eol_marker_size=1;
1.111 paf 652: } else {
653: header_break_pos=dos_pos;
1.165 misha 654: eol_marker="\r\n";
655: eol_marker_size=2;
1.111 paf 656: }
1.21 paf 657:
1.162 misha 658: file_out->str[header_break_pos] = 0;
1.188 misha 659: String *header=new String(file_out->str);
1.162 misha 660: unsigned long headersize = header_break_pos+eol_marker_size*2;
661: file_out->str += headersize;
662: file_out->length -= headersize;
663:
1.164 misha 664: // $body
1.221 misha 665: self.set(false/*not tainted*/, is_text, file_out->str, file_out->length);
1.164 misha 666:
1.162 misha 667: // $fields << header
1.194 misha 668: if(header) {
1.162 misha 669: ArrayString rows;
1.249 moko 670: header->split(rows, 0, eol_marker);
1.162 misha 671: Pass_cgi_header_attribute_info info={0, 0, 0};
672: info.charset=&r.charsets.source();
673: info.fields=&self.fields();
674: rows.for_each(pass_cgi_header_attribute, &info);
675: if(info.content_type)
676: self.fields().put(content_type_name, info.content_type);
677: }
1.164 misha 678: } else { // ^file::exec
1.166 misha 679: // $body
1.257 moko 680: 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 681: }
1.163 misha 682:
1.42 parser 683: // $status
1.111 paf 684: self.fields().put(file_status_name, new VInt(execution.status));
1.21 paf 685:
686: // $stderr
1.187 misha 687: if(!real_err->is_empty())
1.240 moko 688: self.fields().put("stderr", new VString(*real_err));
1.21 paf 689: }
1.111 paf 690: static void _exec(Request& r, MethodParams& params) {
691: _exec_cgi(r, params, false);
1.41 parser 692: }
1.111 paf 693: static void _cgi(Request& r, MethodParams& params) {
694: _exec_cgi(r, params, true);
1.41 parser 695: }
696:
1.111 paf 697: static void _list(Request& r, MethodParams& params) {
698: Value& relative_path=params.as_no_junction(0, "path must not be code");
1.47 parser 699:
1.227 moko 700: bool stat=false;
1.191 misha 701: VRegex* vregex=0;
1.184 misha 702: VRegexCleaner vrcleaner;
1.227 moko 703:
1.184 misha 704: if(params.count()>1){
1.227 moko 705: Value& voption=params.as_no_junction(1, "option must not be code");
706: if(voption.is_defined()) {
707: Value* vfilter=0;
708: if(HashStringValue* options=voption.get_hash()) {
709: int valid_options=0;
710: if(Value* vstat=options->get("stat")) {
1.252 moko 711: stat=r.process(*vstat).as_bool();
1.227 moko 712: valid_options++;
713: }
714: if(Value* value=options->get("filter")) {
715: vfilter=value;
1.230 moko 716: valid_options++;
1.227 moko 717: }
718: if(valid_options!=options->count())
719: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
1.191 misha 720: } else {
1.227 moko 721: vfilter=&voption;
722: }
1.234 moko 723: if(vfilter) {
1.227 moko 724: if(Value* value=vfilter->as(VREGEX_TYPE)) {
725: vregex=static_cast<VRegex*>(value);
726: } else if(vfilter->is_string()) {
727: if(!vfilter->get_string()->trim().is_empty()) {
728: vregex=new VRegex(r.charsets.source(), &vfilter->as_string(), 0/*options*/);
1.234 moko 729: vregex->study();
730: vrcleaner.vregex=vregex;
731: }
1.227 moko 732: } else {
733: throw Exception(PARSER_RUNTIME, 0, "filter must be regex or string");
734: }
1.234 moko 735: }
1.184 misha 736: }
1.114 paf 737: }
1.47 parser 738:
1.196 misha 739: const char* absolute_path_cstr=r.absolute(relative_path.as_string()).taint_cstr(String::L_FILE_SPEC);
1.47 parser 740:
1.227 moko 741: Table::Action_options table_options;
742: Table& table=*new Table(file_list_table_template, table_options);
1.47 parser 743:
1.184 misha 744: const int ovector_size=(1/*match*/)*3;
745: int ovector[ovector_size];
746:
1.47 parser 747: LOAD_DIR(absolute_path_cstr,
1.261 moko 748: const char* file_name_cstr=ffblk.name();
1.111 paf 749: size_t file_name_size=strlen(file_name_cstr);
1.47 parser 750:
1.261 moko 751: if(!vregex || vregex->exec(file_name_cstr, file_name_size, ovector, ovector_size)>=0) {
1.111 paf 752: Table::element_type row(new ArrayString);
1.190 misha 753: *row+=new String(pa_strdup(file_name_cstr, file_name_size), String::L_TAINTED);
1.236 moko 754: *row+=new String(String::Body::Format(ffblk.is_dir(stat) ? 1 : 0), String::L_CLEAN);
1.227 moko 755: if(stat) {
756: *row+=VDouble(ffblk.size()).get_string();
1.232 misha 757: *row+=new String(String::Body::Format((int)ffblk.c_timestamp()), String::L_CLEAN);
758: *row+=new String(String::Body::Format((int)ffblk.m_timestamp()), String::L_CLEAN);
759: *row+=new String(String::Body::Format((int)ffblk.a_timestamp()), String::L_CLEAN);
1.227 moko 760: }
1.111 paf 761: table+=row;
1.47 parser 762: }
763: );
764:
1.60 parser 765: // write out result
1.255 moko 766: r.write(*new VTable(&table));
1.47 parser 767: }
1.21 paf 768:
1.69 paf 769: #ifndef DOXYGEN
770: struct Lock_execute_body_info {
1.111 paf 771: Request* r;
772: Value* body_code;
1.69 paf 773: };
774: #endif
1.235 moko 775:
1.111 paf 776: static void lock_execute_body(int , void *ainfo) {
777: Lock_execute_body_info& info=*static_cast<Lock_execute_body_info *>(ainfo);
1.69 paf 778: // execute body
1.255 moko 779: info.r->write(info.r->process(*info.body_code));
1.235 moko 780: }
781:
1.111 paf 782: static void _lock(Request& r, MethodParams& params) {
1.152 misha 783: const String& file_spec=r.absolute(params.as_string(0, FILE_NAME_MUST_BE_STRING));
1.116 paf 784: Lock_execute_body_info info={
785: &r,
1.117 paf 786: ¶ms.as_junction(1, "body must be code")
1.116 paf 787: };
1.69 paf 788:
1.158 misha 789: file_write_action_under_lock(
790: file_spec,
791: "lock",
792: lock_execute_body,
793: &info);
1.69 paf 794: }
795:
1.219 misha 796: static size_t afterlastslash(const String& str) {
797: size_t pos=str.strrpbrk("/\\");
798: return pos!=STRING_NOT_FOUND?pos+1:0;
799: }
800:
801: static size_t afterlastslash(const String& str, size_t right) {
802: size_t pos=str.strrpbrk("/\\", 0, right);
803: return pos!=STRING_NOT_FOUND?pos+1:0;
804: }
805:
1.111 paf 806: static void _find(Request& r, MethodParams& params) {
1.215 misha 807: const String& file_name=params.as_string(0, FILE_NAME_MUST_NOT_BE_CODE);
1.219 misha 808:
1.215 misha 809: Value* not_found_code=(params.count()==2)?¶ms.as_junction(1, "not-found param must be code"):0;
810:
1.111 paf 811: const String* file_spec;
1.90 paf 812: if(file_name.first_char()=='/')
813: file_spec=&file_name;
814: else
1.111 paf 815: file_spec=&r.relative(r.request_info.uri, file_name);
1.90 paf 816:
817: // easy way
1.142 paf 818: if(file_exist(r.absolute(*file_spec))) {
1.255 moko 819: r.write(*file_spec);
1.90 paf 820: return;
821: }
822:
823: // monkey way
1.219 misha 824: size_t last_slash=file_spec->strrpbrk("/\\");
825: const String& dirname=file_spec->mid(0, last_slash!=STRING_NOT_FOUND?last_slash:0);
826: const String& basename=file_spec->mid(last_slash!=STRING_NOT_FOUND?last_slash+1:0, file_spec->length());
827:
828: size_t rpos=dirname.is_empty()?0:dirname.length()-1;
829: while((rpos=dirname.rskipchars("/\\", 0, rpos))!=STRING_NOT_FOUND){
830: size_t slash=dirname.strrpbrk("/\\", 0, rpos);
831: if(slash==STRING_NOT_FOUND)
832: break;
1.111 paf 833: String test_name;
1.219 misha 834: test_name << dirname.mid(0, slash+1);
835: test_name << basename;
1.142 paf 836: if(file_exist(r.absolute(test_name))) {
1.255 moko 837: r.write(test_name);
1.90 paf 838: return;
839: }
1.219 misha 840: rpos=slash;
1.90 paf 841: }
842:
843: // no way, not found
1.215 misha 844: if(not_found_code)
1.255 moko 845: r.write(r.process(*not_found_code));
1.90 paf 846: }
847:
1.111 paf 848: static void _dirname(Request& r, MethodParams& params) {
1.152 misha 849: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.219 misha 850: // works as *nix dirname
851:
852: // empty > .
853: // / > /
854: // /a > /
855: // /a/ > /
1.180 misha 856: // /a/some.tar.gz > /a
1.219 misha 857: // /a/b/ > /a
858: // /a///b/ > /a
859: // /a/b/// > /a
860: // file > .
861:
862: if(file_spec.is_empty()) {
1.255 moko 863: r.write(String("."));
1.219 misha 864: return;
865: }
866:
867: size_t p;
868: size_t slash;
869: if((p=file_spec.rskipchars("/\\"))==STRING_NOT_FOUND)
1.255 moko 870: r.write(String("/"));
1.219 misha 871: else {
872: if((slash=file_spec.strrpbrk("/\\", 0, p))!=STRING_NOT_FOUND) {
873: if((p=file_spec.rskipchars("/\\", 0, slash))==STRING_NOT_FOUND)
874: p=slash;
1.255 moko 875: r.write(file_spec.mid(0, p+1));
1.219 misha 876: return;
877: }
1.255 moko 878: r.write(String("."));
1.219 misha 879: }
1.89 paf 880: }
881:
1.111 paf 882: static void _basename(Request& r, MethodParams& params) {
1.152 misha 883: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.219 misha 884: // works as *nix basename
885:
886: // empty > .
887: // / > /
888: // /a > a
889: // /a/ > a
1.180 misha 890: // /a/some.tar.gz > some.tar.gz
1.219 misha 891: // /a/b/ > b
892: // /a///b/ > b
893: // /a/b/// > b
894: // file > file
895:
896: if(file_spec.is_empty()) {
1.255 moko 897: r.write(String("."));
1.219 misha 898: return;
899: }
900:
901: size_t p=file_spec.rskipchars("/\\");
902: if(p==STRING_NOT_FOUND)
1.255 moko 903: r.write(String("/"));
1.219 misha 904: else
1.255 moko 905: r.write(file_spec.mid(afterlastslash(file_spec, p), p+1));
1.89 paf 906: }
907:
1.111 paf 908: static void _justname(Request& r, MethodParams& params) {
1.152 misha 909: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.180 misha 910: // /a/some.tar.gz > some.tar
1.219 misha 911: // /a/b.c/ > empty
912: // /a/b.c > b
913: size_t pos=afterlastslash(file_spec);
914: size_t dotpos=file_spec.strrpbrk(".", pos);
1.255 moko 915: r.write(file_spec.mid(pos, dotpos!=STRING_NOT_FOUND?dotpos:file_spec.length()));
1.89 paf 916: }
1.219 misha 917:
1.111 paf 918: static void _justext(Request& r, MethodParams& params) {
1.152 misha 919: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.180 misha 920: // /a/some.tar.gz > gz
1.219 misha 921: // /a/b.c/ > empty
922: size_t pos=afterlastslash(file_spec);
923: size_t dotpos=file_spec.strrpbrk(".", pos);
924: if(dotpos!=STRING_NOT_FOUND)
1.255 moko 925: r.write(file_spec.mid(dotpos+1, file_spec.length()));
1.89 paf 926: }
927:
1.111 paf 928: static void _fullpath(Request& r, MethodParams& params) {
1.152 misha 929: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.111 paf 930: const String* result;
1.102 paf 931: if(file_spec.first_char()=='/')
932: result=&file_spec;
933: else {
934: // /some/page.html: ^file:fullpath[a.gif] => /some/a.gif
935: const String& full_disk_path=r.absolute(file_spec);
1.111 paf 936: size_t document_root_length=strlen(r.request_info.document_root);
1.106 paf 937:
938: if(document_root_length>0) {
1.111 paf 939: char last_char=r.request_info.document_root[document_root_length-1];
1.106 paf 940: if(last_char == '/' || last_char == '\\')
941: --document_root_length;
942: }
1.111 paf 943: result=&full_disk_path.mid(document_root_length, full_disk_path.length());
1.102 paf 944: }
1.255 moko 945: r.write(*result);
1.102 paf 946: }
947:
1.121 paf 948: static void _sql_string(Request& r, MethodParams&) {
949: VFile& self=GET_SELF(r, VFile);
950:
951: const char *quoted=r.connection()->quote(self.value_ptr(), self.value_size());
1.255 moko 952: r.write(*new String(quoted));
1.121 paf 953: }
1.89 paf 954:
1.122 paf 955: #ifndef DOXYGEN
956: class File_sql_event_handlers: public SQL_Driver_query_event_handlers {
957: int got_columns;
958: int got_cells;
959: public:
960: String::C value;
1.131 paf 961: const String* user_file_name;
962: const String* user_content_type;
1.122 paf 963: public:
1.265 moko 964: File_sql_event_handlers():
1.122 paf 965: got_columns(0),
966: got_cells(0),
967: user_file_name(0),
968: user_content_type(0) {}
969:
970: bool add_column(SQL_Error& error, const char* /*str*/, size_t /*length*/) {
971: if(got_columns++==3) {
1.265 moko 972: error=SQL_Error("result must contain not more then 3 columns");
1.122 paf 973: return true;
974: }
975: return false;
976: }
977: bool before_rows(SQL_Error& /*error*/ ) { /* ignore */ return false; }
978: bool add_row(SQL_Error& /*error*/) { /* ignore */ return false; }
979: bool add_row_cell(SQL_Error& error, const char* str, size_t length) {
980: try {
981: switch(got_cells++) {
982: case 0:
983: value=String::C(str, length);
984: break;
985: case 1:
1.131 paf 986: if(!user_file_name) // user not specified?
1.190 misha 987: user_file_name=new String(str, String::L_TAINTED);
1.122 paf 988: break;
989: case 2:
1.131 paf 990: if(!user_content_type) // user not specified?
1.190 misha 991: user_content_type=new String(str, String::L_TAINTED);
1.122 paf 992: break;
993: default:
1.265 moko 994: error=SQL_Error("result must not contain more then one row, three columns");
1.122 paf 995: return true;
996: }
997: return false;
998: } catch(...) {
1.263 moko 999: error=SQL_Error("exception occurred in File_sql_event_handlers::add_row_cell");
1.122 paf 1000: return true;
1001: }
1002: }
1003: };
1004: #endif
1005: static void _sql(Request& r, MethodParams& params) {
1.131 paf 1006: Value& statement=params.as_junction(0, "statement must be code");
1.122 paf 1007:
1008: const String& statement_string=r.process_to_string(statement);
1.254 moko 1009: const char* statement_cstr=statement_string.untaint_cstr(String::L_SQL, r.connection());
1.195 misha 1010:
1.265 moko 1011: File_sql_event_handlers handlers;
1.131 paf 1012:
1.173 misha 1013: ulong limit=SQL_NO_LIMIT;
1.172 misha 1014: ulong offset=0;
1015:
1.131 paf 1016: if(params.count()>1)
1.220 misha 1017: if(HashStringValue* options=params.as_hash(1, "sql options")) {
1.131 paf 1018: int valid_options=0;
1019: if(Value* vfilename=options->get(NAME_NAME)) {
1020: valid_options++;
1021: handlers.user_file_name=&vfilename->as_string();
1022: }
1023: if(Value* vcontent_type=options->get(CONTENT_TYPE_NAME)) {
1024: valid_options++;
1025: handlers.user_content_type=&vcontent_type->as_string();
1026: }
1.173 misha 1027: if(Value* vlimit=options->get(sql_limit_name)) {
1028: valid_options++;
1.252 moko 1029: limit=(ulong)r.process(*vlimit).as_double();
1.173 misha 1030: }
1.172 misha 1031: if(Value* voffset=options->get(sql_offset_name)) {
1032: valid_options++;
1.252 moko 1033: offset=(ulong)r.process(*voffset).as_double();
1.172 misha 1034: }
1.131 paf 1035: if(valid_options!=options->count())
1.207 misha 1036: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
1.131 paf 1037: }
1038:
1039:
1.265 moko 1040: r.connection()->query(statement_cstr, 0, 0, offset, limit, handlers, statement_string);
1.122 paf 1041:
1.238 moko 1042: if(!handlers.value.str)
1043: throw Exception(PARSER_RUNTIME, 0, "produced no result");
1.122 paf 1044:
1.215 misha 1045: VFile& self=GET_SELF(r, VFile);
1.122 paf 1046:
1.222 moko 1047: self.set_binary(true/*tainted*/, handlers.value.str, handlers.value.length, handlers.user_file_name
1.215 misha 1048: , handlers.user_content_type ? new VString(*handlers.user_content_type) : 0
1049: , &r);
1.122 paf 1050: }
1.140 paf 1051:
1.266 ! moko 1052: extern Base64Options base64_encode_options(Request& r, HashStringValue* options);
! 1053:
! 1054: Base64Options base64_decode_options(Request& r, HashStringValue* options, VString** vcontent_type) {
! 1055: Base64Options result;
! 1056: if(options) {
! 1057: int valid_options=0;
! 1058: for(HashStringValue::Iterator i(*options); i; i.next() ) {
! 1059: String::Body key=i.key();
! 1060: Value* value=i.value();
! 1061: if(key == "pad") {
! 1062: result.pad=r.process(*value).as_bool();
! 1063: valid_options++;
! 1064: } else if(key == "strict") {
! 1065: result.strict=r.process(*value).as_bool();
! 1066: valid_options++;
! 1067: } else if(key == CONTENT_TYPE_NAME) {
! 1068: *vcontent_type=new VString(value->as_string());
! 1069: valid_options++;
! 1070: } else if(key == "url-safe") {
! 1071: if(r.process(*value).as_bool())
! 1072: result.set_url_safe_abc();
! 1073: valid_options++;
! 1074: }
! 1075: }
! 1076:
! 1077: if(valid_options != options->count())
! 1078: throw Exception(PARSER_RUNTIME, 0, CALLED_WITH_INVALID_OPTION);
! 1079: }
! 1080: return result;
! 1081: }
! 1082:
1.139 paf 1083: static void _base64(Request& r, MethodParams& params) {
1.209 misha 1084: bool dynamic=!(&r.get_self() == file_class);
1085: if(dynamic) {
1.180 misha 1086: VFile& self=GET_SELF(r, VFile);
1.266 ! moko 1087: if(params.count() && params[0].is_string()) {
1.209 misha 1088: // decode:
1089: // ^file::base64[encoded] // backward
1.217 misha 1090: // ^file::base64[mode;user-file-name;encoded[;$.content-type[...] $.strict(true|false)]]
1.209 misha 1091: bool is_text=false;
1.266 ! moko 1092: const String* user_file_name=0;
1.209 misha 1093: VString* vcontent_type=0;
1.266 ! moko 1094: Base64Options options;
! 1095:
1.209 misha 1096: size_t param_index=0;
1097:
1098: if(params.count() > 1) {
1099: if(params.count() < 3)
1.266 ! moko 1100: 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 1101:
1.215 misha 1102: is_text=VFile::is_text_mode(params.as_string(0, MODE_MUST_NOT_BE_CODE));
1103: user_file_name=¶ms.as_string(1, FILE_NAME_MUST_BE_STRING);
1.209 misha 1104:
1105: if(params.count() == 4)
1.266 ! moko 1106: options=base64_decode_options(r, params.as_hash(3), &vcontent_type);
1.209 misha 1107:
1108: param_index=2;
1109: }
1110:
1111: const char* encoded=params.as_string(param_index, PARAMETER_MUST_BE_STRING).cstr();
1112:
1.180 misha 1113: char* decoded=0;
1114: size_t length=0;
1.266 ! moko 1115: pa_base64_decode(encoded, strlen(encoded), decoded, length, options);
1.209 misha 1116:
1.221 misha 1117: self.set(true/*tainted*/, is_text, decoded, length, user_file_name, vcontent_type, &r);
1.180 misha 1118: } else {
1.266 ! moko 1119: // encode: ^f.base64[options]
! 1120: Base64Options options = base64_encode_options(r, params.count() > 0 ? params.as_hash(0) : NULL);
! 1121: const char* encoded=pa_base64_encode(self.value_ptr(), self.value_size(), options);
! 1122: r.write(*new String(encoded, String::L_TAINTED /*once ?param=base64(something) was needed**/ ));
1.180 misha 1123: }
1.151 misha 1124: } else {
1.266 ! moko 1125: // encode: ^file:base64[filespec[;options]]
! 1126: const String& file_spec = params.as_string(0, FILE_NAME_MUST_BE_STRING);
! 1127: Base64Options options = base64_encode_options(r, params.count() > 1 ? params.as_hash(1) : NULL);
! 1128: const char* encoded = pa_base64_encode(r.absolute(file_spec), options);
! 1129: r.write(*new String(encoded, String::L_TAINTED /*once ?param=base64(something) was needed*/ ));
1.151 misha 1130: }
1.139 paf 1131: }
1.140 paf 1132:
1.146 misha 1133: static void _crc32(Request& r, MethodParams& params) {
1134: unsigned long crc32 = 0;
1135: if(&r.get_self() == file_class) {
1136: // ^file:crc32[file-name]
1137: if(params.count()) {
1.152 misha 1138: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.146 misha 1139: crc32=pa_crc32(r.absolute(file_spec));
1140: } else {
1.215 misha 1141: throw Exception(PARSER_RUNTIME, 0, FILE_NAME_MUST_BE_SPECIFIED);
1.146 misha 1142: }
1143: } else {
1144: // ^file.crc32[]
1145: VFile& self=GET_SELF(r, VFile);
1146: crc32=pa_crc32(self.value_ptr(), self.value_size());
1147: }
1.255 moko 1148: r.write(*new VInt(crc32));
1.146 misha 1149: }
1150:
1151:
1.243 moko 1152: static void file_md5_file_action(struct stat& finfo, int f, const String&, void *context)
1.147 misha 1153: {
1154: PA_MD5_CTX& md5context=*static_cast<PA_MD5_CTX *>(context);
1155: if(finfo.st_size) {
1.148 misha 1156: int nCount=0;
1.147 misha 1157: do {
1158: unsigned char buffer[FILE_BUFFER_SIZE];
1.150 misha 1159: nCount = file_block_read(f, buffer, sizeof(buffer));
1.147 misha 1160: if ( nCount ){
1161: pa_MD5Update(&md5context, (const unsigned char*)buffer, nCount);
1162: }
1.148 misha 1163: } while(nCount > 0);
1.147 misha 1164: }
1165: }
1166:
1167: const char* pa_md5(const String& file_spec)
1168: {
1169: PA_MD5_CTX context;
1170: unsigned char digest[16];
1171: pa_MD5Init(&context);
1172: file_read_action_under_lock(file_spec, "md5", file_md5_file_action, &context);
1173: pa_MD5Final(digest, &context);
1174:
1175: return hex_string(digest, sizeof(digest), false);
1176: }
1177:
1178: const char* pa_md5(const char *in, size_t in_size)
1179: {
1180: PA_MD5_CTX context;
1181: unsigned char digest[16];
1182: pa_MD5Init(&context);
1183: pa_MD5Update(&context, (const unsigned char*)in, in_size);
1184: pa_MD5Final(digest, &context);
1185:
1186: return hex_string(digest, sizeof(digest), false);
1187: }
1188:
1189: static void _md5(Request& r, MethodParams& params) {
1190: const char* md5;
1191: if(&r.get_self() == file_class) {
1192: // ^file:md5[file-name]
1193: if(params.count()) {
1.152 misha 1194: const String& file_spec=params.as_string(0, FILE_NAME_MUST_BE_STRING);
1.147 misha 1195: md5=pa_md5(r.absolute(file_spec));
1196: } else {
1.215 misha 1197: throw Exception(PARSER_RUNTIME, 0, FILE_NAME_MUST_BE_SPECIFIED);
1.147 misha 1198: }
1199: } else {
1200: // ^file.md5[]
1201: VFile& self=GET_SELF(r, VFile);
1202: md5=pa_md5(self.value_ptr(), self.value_size());
1203:
1204: }
1.255 moko 1205: r.write(*new String(md5));
1.147 misha 1206: }
1207:
1.32 paf 1208: // constructor
1209:
1.111 paf 1210: MFile::MFile(): Methoded("file") {
1.215 misha 1211: // ^file::create[text|binary;file-name;string-or-file[;options hash]]
1212: // ^file::create[string-or-file[;options hash]]
1213: add_native_method("create", Method::CT_DYNAMIC, _create, 1, 4);
1.138 paf 1214:
1.146 misha 1215: // ^file.save[mode;file-name]
1.201 misha 1216: // ^file.save[mode;file-name;$.charset[...]]
1217: add_native_method("save", Method::CT_DYNAMIC, _save, 2, 3);
1.7 paf 1218:
1.146 misha 1219: // ^file:delete[file-name]
1.225 misha 1220: // ^file:delete[file-name;$.keep-empty-dir(true)$.exception(false)]
1.224 misha 1221: add_native_method("delete", Method::CT_STATIC, _delete, 1, 2);
1.45 parser 1222:
1.146 misha 1223: // ^file:move[from-file-name;to-file-name]
1.224 misha 1224: // ^file:move[from-file-name;to-file-name;$.keep-empty-dir(true)]
1225: add_native_method("move", Method::CT_STATIC, _move, 2, 3);
1.8 paf 1226:
1.146 misha 1227: // ^file::load[mode;disk-name]
1228: // ^file::load[mode;disk-name;user-name]
1.201 misha 1229: // ^file::load[mode;disk-name;user-name;options hash]
1230: // ^file::load[mode;disk-name;options hash]
1.180 misha 1231: add_native_method("load", Method::CT_DYNAMIC, _load, 2, 4);
1.25 paf 1232:
1.146 misha 1233: // ^file::stat[disk-name]
1.32 paf 1234: add_native_method("stat", Method::CT_DYNAMIC, _stat, 1, 1);
1.21 paf 1235:
1.162 misha 1236: // ^file::cgi[mode;file-name]
1237: // ^file::cgi[mode;file-name;env hash]
1238: // ^file::cgi[mode;file-name;env hash;1cmd;2line;3ar;4g;5s]
1239: add_native_method("cgi", Method::CT_DYNAMIC, _cgi, 1, 3+50);
1240:
1241: // ^file::exec[mode;file-name]
1242: // ^file::exec[mode;file-name;env hash]
1243: // ^file::exec[mode;file-name;env hash;1cmd;2line;3ar;4g;5s]
1244: add_native_method("exec", Method::CT_DYNAMIC, _exec, 1, 3+50);
1.47 parser 1245:
1246: // ^file:list[path]
1247: // ^file:list[path][regexp]
1.228 moko 1248: // ^file:list[path][$.filter[regexp] $.stat(true)]
1.47 parser 1249: add_native_method("list", Method::CT_STATIC, _list, 1, 2);
1.69 paf 1250:
1251: // ^file:lock[path]{code}
1252: add_native_method("lock", Method::CT_STATIC, _lock, 2, 2);
1.90 paf 1253:
1.146 misha 1254: // ^file:find[file-name]
1255: // ^file:find[file-name]{when-not-found}
1.90 paf 1256: add_native_method("find", Method::CT_STATIC, _find, 1, 2);
1.47 parser 1257:
1.201 misha 1258: // ^file:dirname[/a/some.tar.gz]=/a
1.89 paf 1259: // ^file:dirname[/a/b/]=/a
1260: add_native_method("dirname", Method::CT_STATIC, _dirname, 1, 1);
1.201 misha 1261: // ^file:basename[/a/some.tar.gz]=some.tar.gz
1262: add_native_method("basename", Method::CT_STATIC, _basename, 1, 1);
1263: // ^file:justname[/a/some.tar.gz]=some.tar
1.89 paf 1264: add_native_method("justname", Method::CT_STATIC, _justname, 1, 1);
1.201 misha 1265: // ^file:justext[/a/some.tar.gz]=gz
1.89 paf 1266: add_native_method("justext", Method::CT_STATIC, _justext, 1, 1);
1.201 misha 1267: // /some/page.html: ^file:fullpath[a.gif] => /some/a.gif
1.102 paf 1268: add_native_method("fullpath", Method::CT_STATIC, _fullpath, 1, 1);
1.121 paf 1269:
1.201 misha 1270: // ^file.sql-string[]
1.121 paf 1271: add_native_method("sql-string", Method::CT_DYNAMIC, _sql_string, 0, 0);
1.122 paf 1272:
1.209 misha 1273: // ^file::sql{}
1.201 misha 1274: // ^file::sql{}[options hash]
1.122 paf 1275: add_native_method("sql", Method::CT_DYNAMIC, _sql, 1, 2);
1.139 paf 1276:
1.209 misha 1277: // encode:
1278: // ^file.base64[]
1279: // ^file:base64[file-name]
1280: // decode:
1281: // ^file::base64[encoded] // backward
1282: // ^file::base64[mode;user-file-name;encoded]
1283: // ^file::base64[mode;user-file-name;encoded;$.content-type[...]]
1284: add_native_method("base64", Method::CT_ANY, _base64, 0, 4);
1.146 misha 1285:
1286: // ^file.crc32[]
1287: // ^file:crc32[file-name]
1288: add_native_method("crc32", Method::CT_ANY, _crc32, 0, 1);
1.147 misha 1289:
1290: // ^file.md5[]
1291: // ^file:md5[file-name]
1292: add_native_method("md5", Method::CT_ANY, _md5, 0, 1);
1293:
1.148 misha 1294: // ^file:copy[from-file-name;to-file-name]
1.264 moko 1295: // ^file:copy[from-file-name;to-file-name;$.append(false)]
1296: add_native_method("copy", Method::CT_STATIC, _copy, 2, 3);
1.1 paf 1297: }
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