|
|
| version 1.78, 2002/04/15 13:17:03 | version 1.108, 2003/03/21 07:19:42 |
|---|---|
| Line 1 | Line 1 |
| /** @file | /** @file |
| Parser: @b file parser class. | Parser: @b file parser class. |
| Copyright (c) 2001, 2002 ArtLebedev Group (http://www.artlebedev.com) | Copyright (c) 2001, 2003 ArtLebedev Group (http://www.artlebedev.com) |
| Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) | Author: Alexandr Petrosian <paf@design.ru> (http://paf.design.ru) |
| $Id$ | |
| */ | */ |
| static const char* IDENT_FILE_C="$Date$"; | |
| #include "pa_config_includes.h" | #include "pa_config_includes.h" |
| #include "pcre.h" | #include "pcre.h" |
| Line 22 | Line 22 |
| #include "pa_vtable.h" | #include "pa_vtable.h" |
| #include "pa_charset.h" | #include "pa_charset.h" |
| // consts | |
| // defines | // defines |
| #define FILE_CLASS_NAME "file" | |
| #define TEXT_MODE_NAME "text" | #define TEXT_MODE_NAME "text" |
| #define STDIN_EXEC_PARAM_NAME "stdin" | |
| // consts | |
| /// from apache-1.3|src|support|suexec.c | |
| static const char *suexec_safe_env_lst[]={ | |
| "AUTH_TYPE", | |
| "CONTENT_LENGTH", | |
| "CONTENT_TYPE", | |
| "DATE_GMT", | |
| "DATE_LOCAL", | |
| "DOCUMENT_NAME", | |
| "DOCUMENT_PATH_INFO", | |
| "DOCUMENT_ROOT", | |
| "DOCUMENT_URI", | |
| "FILEPATH_INFO", | |
| "GATEWAY_INTERFACE", | |
| "LAST_MODIFIED", | |
| "PATH_INFO", | |
| "PATH_TRANSLATED", | |
| "QUERY_STRING", | |
| "QUERY_STRING_UNESCAPED", | |
| "REMOTE_ADDR", | |
| "REMOTE_HOST", | |
| "REMOTE_IDENT", | |
| "REMOTE_PORT", | |
| "REMOTE_USER", | |
| "REDIRECT_QUERY_STRING", | |
| "REDIRECT_STATUS", | |
| "REDIRECT_URL", | |
| "REQUEST_METHOD", | |
| "REQUEST_URI", | |
| "SCRIPT_FILENAME", | |
| "SCRIPT_NAME", | |
| "SCRIPT_URI", | |
| "SCRIPT_URL", | |
| "SERVER_ADMIN", | |
| "SERVER_NAME", | |
| "SERVER_ADDR", | |
| "SERVER_PORT", | |
| "SERVER_PROTOCOL", | |
| "SERVER_SOFTWARE", | |
| "UNIQUE_ID", | |
| "USER_NAME", | |
| "TZ", | |
| NULL | |
| }; | |
| // class | // class |
| Line 45 public: | Line 88 public: |
| }; | }; |
| // consts | |
| const int FIND_MONKEY_MAX_HOPS=10; | |
| // methods | // methods |
| static void _save(Request& r, const String&, MethodParams *params) { | static void _save(Request& r, const String&, MethodParams *params) { |
| Line 56 static void _save(Request& r, const Stri | Line 95 static void _save(Request& r, const Stri |
| Value& vfile_name=params->as_no_junction(1, "file name must not be code"); | Value& vfile_name=params->as_no_junction(1, "file name must not be code"); |
| // save | // save |
| static_cast<VFile *>(r.self)->save(r.absolute(vfile_name.as_string()), | static_cast<VFile *>(r.get_self())->save(r.absolute(vfile_name.as_string()), |
| vmode_name.as_string()==TEXT_MODE_NAME); | vmode_name.as_string()==TEXT_MODE_NAME); |
| } | } |
| Line 77 static void _move(Request& r, const Stri | Line 116 static void _move(Request& r, const Stri |
| r.absolute(vto_file_name.as_string())); | r.absolute(vto_file_name.as_string())); |
| } | } |
| static void _find(Request& r, const String& method_name, MethodParams *params) { | static void _load_pass_param(const Hash::Key& key, Hash::Val *value, void *info) { |
| Pool& pool=r.pool(); | Hash& dest=*static_cast<Hash *>(info); |
| Value& vfile_name=params->as_no_junction(0, "file name must not be code"); | dest.put(key, value); |
| const String &lfile_name=vfile_name.as_string(); | |
| // passed file name simply exists in current dir | |
| if(file_readable(r.absolute(lfile_name))) { | |
| r.write_no_lang(lfile_name); | |
| return; | |
| } | |
| // scan .. dirs for result | |
| for(int i=0; i<FIND_MONKEY_MAX_HOPS; i++) { | |
| String local_test_name(pool); | |
| for(int j=0; j<i; j++) | |
| local_test_name.APPEND_CONST("../"); | |
| local_test_name.append(lfile_name, String::UL_CLEAN); | |
| if(file_readable(r.absolute(local_test_name))) { | |
| r.write_no_lang(*new(pool) String(local_test_name)); | |
| return; | |
| } | |
| } | |
| // not found | |
| if(params->size()==2) { | |
| Value& not_found_code=params->as_junction(1, "not-found param must be code"); | |
| r.write_pass_lang(r.process(not_found_code)); | |
| } | |
| } | } |
| static void _load(Request& r, const String& method_name, MethodParams *params) { | static void _load(Request& r, const String& method_name, MethodParams *params) { |
| Pool& pool=r.pool(); | Pool& pool=r.pool(); |
| Value& vmode_name=params-> as_no_junction(0, "mode must not be code"); | Value& vmode_name=params-> as_no_junction(0, "mode must not be code"); |
| Value& vfile_name=params->as_no_junction(1, "file name must not be code"); | const String& lfile_name=r.absolute(params->as_no_junction(1, "file name must not be code").as_string()); |
| Value *third_param=params->size()>2?¶ms->as_no_junction(2, "filename or options must not be code"):0; | |
| const String& lfile_name=vfile_name.as_string(); | Hash *third_param_hash=third_param?third_param->get_hash(&method_name):0; |
| int alt_filename_param_index=2; | |
| if(third_param_hash) | |
| alt_filename_param_index++; | |
| void *data; size_t size; | void *data; size_t size; |
| file_read(pool, r.absolute(lfile_name), data, size, | Hash *fields=0; |
| vmode_name.as_string()==TEXT_MODE_NAME); | file_read(pool, lfile_name, data, size, |
| vmode_name.as_string()==TEXT_MODE_NAME, | |
| third_param_hash, | |
| &fields | |
| ); | |
| char *user_file_name=params->size()>2? | char *user_file_name=params->size()>alt_filename_param_index? |
| params->as_string(2, "filename must be string").cstr(String::UL_FILE_SPEC) | params->as_string(alt_filename_param_index, "filename must be string").cstr(String::UL_FILE_SPEC) |
| :lfile_name.cstr(String::UL_FILE_SPEC); | :lfile_name.cstr(String::UL_FILE_SPEC); |
| Value *vcontent_type=0; | |
| if(fields) | |
| vcontent_type=static_cast<Value *>(fields->get(*content_type_name)); | |
| if(!vcontent_type) | |
| vcontent_type=new(pool) VString(r.mime_type_of(user_file_name)); | |
| static_cast<VFile *>(r.self)->set(true/*tainted*/, data, size, | VFile& self=*static_cast<VFile *>(r.get_self()); |
| user_file_name, new(pool) VString(r.mime_type_of(user_file_name))); | self.set(true/*tainted*/, data, size, user_file_name, vcontent_type); |
| if(fields) | |
| fields->for_each(_load_pass_param, &self.fields()); | |
| } | } |
| static void _stat(Request& r, const String& method_name, MethodParams *params) { | static void _stat(Request& r, const String& method_name, MethodParams *params) { |
| Line 139 static void _stat(Request& r, const Stri | Line 166 static void _stat(Request& r, const Stri |
| size, | size, |
| atime, mtime, ctime); | atime, mtime, ctime); |
| VFile& vfile=*static_cast<VFile *>(r.self); | VFile& vfile=*static_cast<VFile *>(r.get_self()); |
| vfile.set(true/*tainted*/, 0/*no bytes*/, size); | vfile.set(true/*tainted*/, 0/*no bytes*/, size); |
| Hash& ff=vfile.fields(); | Hash& ff=vfile.fields(); |
| ff.put(*new(pool) String(pool, "adate"), new(pool) VDate(pool, atime)); | ff.put(*new(pool) String(pool, "adate"), new(pool) VDate(pool, atime)); |
| ff.put(*new(pool) String(pool, "mdate"), new(pool) VDate(pool, mtime)); | ff.put(*new(pool) String(pool, "mdate"), new(pool) VDate(pool, mtime)); |
| ff.put(*new(pool) String(pool, "cdate"), new(pool) VDate(pool, ctime)); | ff.put(*new(pool) String(pool, "cdate"), new(pool) VDate(pool, ctime)); |
| ff.put(*content_type_name, new(pool) VString(r.mime_type_of(lfile_name.cstr(String::UL_FILE_SPEC)))); | |
| } | } |
| static void append_env_pair(const Hash::Key& key, Hash::Val *value, void *info) { | static bool is_safe_env_key(const char *key) { |
| Hash& hash=*static_cast<Hash *>(info); | if(strncasecmp(key, "HTTP_", 5)==0) |
| hash.put(key, &static_cast<Value *>(value)->as_string()); | return true; |
| if(strncasecmp(key, "CGI_", 4)==0) | |
| return true; | |
| for(int i=0; suexec_safe_env_lst[i]; i++) { | |
| if(strcasecmp(key, suexec_safe_env_lst[i])==0) | |
| return true; | |
| } | |
| return false; | |
| } | } |
| #ifndef DOXYGEN | |
| static void pass_cgi_header_attribute(Array::Item *value, void *info) { | struct Append_env_pair_info { |
| Hash* hash; | |
| Value* vstdin; | |
| }; | |
| #endif | |
| static void append_env_pair(const Hash::Key& key, Hash::Val *avalue, void *info) { | |
| Append_env_pair_info& pi=*static_cast<Append_env_pair_info *>(info); | |
| Value& value=*static_cast<Value *>(avalue); | |
| if(key==STDIN_EXEC_PARAM_NAME) { | |
| pi.vstdin=&value; | |
| } else { | |
| if(!is_safe_env_key(key.cstr())) | |
| throw Exception("parser.runtime", | |
| &key, | |
| "not safe environment variable"); | |
| pi.hash->put(key, &value.as_string()); | |
| } | |
| } | |
| #ifndef DOXYGEN | |
| struct Pass_cgi_header_attribute_info { | |
| Hash *hash; | |
| Value *content_type; | |
| }; | |
| #endif | |
| static void pass_cgi_header_attribute(Array::Item *value, void *ainfo) { | |
| String& string=*static_cast<String *>(value); | String& string=*static_cast<String *>(value); |
| Hash& hash=*static_cast<Hash *>(info); | Pool& pool=string.pool(); |
| Pass_cgi_header_attribute_info& info=*static_cast<Pass_cgi_header_attribute_info *>(ainfo); | |
| int colon_pos=string.pos(":", 1); | int colon_pos=string.pos(":", 1); |
| if(colon_pos>0) | if(colon_pos>0) { |
| hash.put(string.mid(0, colon_pos), | const String& key=string.mid(0, colon_pos).change_case(pool, String::CC_UPPER); |
| new(string.pool()) VString(string.mid(colon_pos+1, string.size()))); | Value *value=new(pool) VString(string.mid(colon_pos+1, string.size())); |
| info.hash->put(key, value); | |
| if(key=="CONTENT-TYPE") | |
| info.content_type=value; | |
| } | |
| } | } |
| /** @todo fix `` in perl - they produced flipping consoles and no output to perl | /// @todo fix `` in perl - they produced flipping consoles and no output to perl |
| @test EPASS, ECSTR [touched them when optimized hash] | |
| */ | |
| static void _exec_cgi(Request& r, const String& method_name, MethodParams *params, | static void _exec_cgi(Request& r, const String& method_name, MethodParams *params, |
| bool cgi) { | bool cgi) { |
| Pool& pool=r.pool(); | Pool& pool=r.pool(); |
| Line 179 static void _exec_cgi(Request& r, const | Line 242 static void _exec_cgi(Request& r, const |
| name##value.APPEND_CONST(value_cstr); \ | name##value.APPEND_CONST(value_cstr); \ |
| env.put(name##key, &name##value); \ | env.put(name##key, &name##value); \ |
| } | } |
| #define EPASS(name) \ | // passing SAPI::environment |
| String name##key(pool, #name); \ | if(const char *const *pairs=SAPI::environment(pool)) { |
| String name##value(pool); \ | while(const char *pair=*pairs++) |
| if(const char *value_cstr=SAPI::get_env(pool, #name)) { \ | if(const char *eq_at=strchr(pair, '=')) { |
| name##value.APPEND_CONST(value_cstr); \ | String& key=*new(pool) String(pool, pair, eq_at-pair); |
| env.put(name##key, &name##value); \ | String& value=*new(pool) String(pool, eq_at+1); |
| } | env.put(key, &value); |
| } | |
| } | |
| // const | // const |
| ECSTR(GATEWAY_INTERFACE, "CGI/1.1"); | ECSTR(GATEWAY_INTERFACE, "CGI/1.1"); |
| Line 200 static void _exec_cgi(Request& r, const | Line 265 static void _exec_cgi(Request& r, const |
| snprintf(content_length_cstr, MAX_NUMBER, "%u", r.info.content_length); | snprintf(content_length_cstr, MAX_NUMBER, "%u", r.info.content_length); |
| String content_length(pool, content_length_cstr); | String content_length(pool, content_length_cstr); |
| ECSTR(CONTENT_LENGTH, content_length_cstr); | ECSTR(CONTENT_LENGTH, content_length_cstr); |
| ECSTR(HTTP_COOKIE, r.info.cookie); | // SCRIPT_* |
| ECSTR(HTTP_USER_AGENT, r.info.user_agent); | |
| // passing some SAPI:get_env-s | |
| EPASS(SERVER_PROTOCOL); | |
| EPASS(SERVER_NAME); | |
| EPASS(SERVER_PORT); | |
| EPASS(HTTP_REFERER); | |
| EPASS(REMOTE_ADDR); | |
| EPASS(REMOTE_HOST); | |
| EPASS(REMOTE_USER); | |
| // SCRIPT_NAME | |
| env.put(*new(pool) String(pool, "SCRIPT_NAME"), &script_name); | env.put(*new(pool) String(pool, "SCRIPT_NAME"), &script_name); |
| #ifdef WIN32 | //env.put(*new(pool) String(pool, "SCRIPT_FILENAME"), ??&script_name); |
| // WIN32 shell | |
| EPASS(COMSPEC); | |
| #endif | |
| // environment & stdin from param | |
| String in(pool); | |
| if(params->size()>1) { | if(params->size()>1) { |
| Value& venv=params->as_no_junction(1, "env must not be code"); | Value& venv=params->as_no_junction(1, "env must not be code"); |
| if(Hash *user_env=venv.get_hash(&method_name)) | if(Hash *user_env=venv.get_hash(&method_name)) { |
| user_env->for_each(append_env_pair, &env); | Append_env_pair_info info={&env}; |
| user_env->for_each(append_env_pair, &info); | |
| if(info.vstdin) { | |
| if(const String *sstdin=info.vstdin->get_string()) { | |
| in.append(*sstdin, String::UL_CLEAN, true); | |
| } else | |
| if(VFile *vfile=static_cast<VFile *>(info.vstdin->as("file", false))) | |
| in.APPEND_TAINTED((const char *)vfile->value_ptr(), vfile->value_size(), | |
| "$.stdin[assigned]", 0); | |
| else | |
| throw Exception("parser.runtime", | |
| &method_name, | |
| STDIN_EXEC_PARAM_NAME " parameter must be string or file"); | |
| } | |
| } | |
| } | } |
| // argv from params | |
| Array *argv=0; | Array *argv=0; |
| if(params->size()>2) { | if(params->size()>2) { |
| argv=new(pool) Array(pool, params->size()-2); | argv=new(pool) Array(pool, params->size()-2); |
| Line 230 static void _exec_cgi(Request& r, const | Line 299 static void _exec_cgi(Request& r, const |
| *argv+=¶ms->as_string(i, "parameter must be string"); | *argv+=¶ms->as_string(i, "parameter must be string"); |
| } | } |
| String in(pool); | // exec! |
| in.APPEND(r.post_data, r.post_size, String::UL_CLEAN, "passing post data", 0); | |
| String out(pool); | String out(pool); |
| //out.APPEND_CONST("content-type:text/plain\nheader:test-header\n\ntest-body"); | |
| //out<<in; | |
| String& err=*new(pool) String(pool); | String& err=*new(pool) String(pool); |
| int status=pa_exec(false/*forced_allow*/, script_name, &env, argv, in, out, err); | int status=pa_exec(false/*forced_allow*/, script_name, &env, argv, in, out, err); |
| VFile& self=*static_cast<VFile *>(r.self); | VFile& self=*static_cast<VFile *>(r.get_self()); |
| const String *body=&out; // ^file:exec | const String *body=&out; // ^file:exec |
| Value *content_type=0; | |
| const char *eol_marker=0; size_t eol_marker_size; | |
| const String *header=0; | |
| if(cgi) { // ^file:cgi | if(cgi) { // ^file:cgi |
| // construct with 'out' body and header | // construct with 'out' body and header |
| int delim_size; | int dos_pos=out.pos("\r\n\r\n", 4); |
| const char *eol_marker="\r\n"; size_t eol_marker_size=2; | int unix_pos=out.pos("\n\n", 2); |
| int pos=out.pos("\r\n\r\n", delim_size=4); | |
| if(pos<0) { | bool unix_header_break; |
| eol_marker="\n"; eol_marker_size=1; | switch((dos_pos >= 0?10:00) + (unix_pos >= 0?01:00)) { |
| pos=out.pos("\n\n", delim_size=2); | case 10: // dos |
| } | unix_header_break=false; |
| if(pos<0) { | break; |
| delim_size=0; // calm down, compiler | case 01: // unix |
| unix_header_break=true; | |
| break; | |
| case 11: // dos & unix | |
| unix_header_break=unix_pos<dos_pos; | |
| break; | |
| default: // 00 | |
| unix_header_break=false; // calm down, compiler | |
| throw Exception(0, | throw Exception(0, |
| &method_name, | &method_name, |
| "output does not contain CGI header; exit code=%d; outsize=%u; out: \"%s\"; errsize=%u; err: \"%s\"", | "output does not contain CGI header; " |
| "exit status=%d; stdoutsize=%u; stdout: \"%s\"; stderrsize=%u; stderr: \"%s\"", | |
| status, | status, |
| (uint)out.size(), out.cstr(), | (uint)out.size(), out.cstr(), |
| (uint)err.size(), err.cstr()); | (uint)err.size(), err.cstr()); |
| break; //never reached | |
| } | } |
| const String& header=out.mid(0, pos); | int header_break_pos; |
| body=&out.mid(pos+delim_size, out.size()); | if(unix_header_break) { |
| header_break_pos=unix_pos; | |
| // header to $fields | eol_marker="\n"; eol_marker_size=1; |
| { | } else { |
| Array rows(pool); | header_break_pos=dos_pos; |
| header.split(rows, 0, eol_marker, eol_marker_size, String::UL_CLEAN); | eol_marker="\r\n"; eol_marker_size=2; |
| rows.for_each(pass_cgi_header_attribute, &self.fields()); | |
| } | } |
| header=&out.mid(0, header_break_pos); | |
| body=&out.mid(header_break_pos+eol_marker_size*2, out.size()); | |
| } | } |
| // body | // body |
| self.set(false/*not tainted*/, body->cstr(), body->size()); | self.set(false/*not tainted*/, body->cstr(), body->size()); |
| // $fields << header | |
| if(header && eol_marker) { | |
| Array rows(pool); | |
| header->split(rows, 0, eol_marker, eol_marker_size); | |
| Pass_cgi_header_attribute_info info={&self.fields()}; | |
| rows.for_each(pass_cgi_header_attribute, &info); | |
| if(info.content_type) | |
| self.fields().put(*content_type_name, info.content_type); | |
| } | |
| // $status | // $status |
| self.fields().put( | self.fields().put( |
| *new(pool) String(pool, "status"), | *file_status_name, |
| new(pool) VInt(pool, status)); | new(pool) VInt(pool, status)); |
| // $stderr | // $stderr |
| Line 283 static void _exec_cgi(Request& r, const | Line 373 static void _exec_cgi(Request& r, const |
| self.fields().put( | self.fields().put( |
| *new(pool) String(pool, "stderr"), | *new(pool) String(pool, "stderr"), |
| new(pool) VString(err)); | new(pool) VString(err)); |
| SAPI::log(pool, "file:%s: %s", cgi?"cgi":"exec", err.cstr()); | |
| } | } |
| } | } |
| static void _exec(Request& r, const String& method_name, MethodParams *params) { | static void _exec(Request& r, const String& method_name, MethodParams *params) { |
| Line 301 static void _list(Request& r, const Stri | Line 389 static void _list(Request& r, const Stri |
| const String *regexp; | const String *regexp; |
| pcre *regexp_code; | pcre *regexp_code; |
| int ovecsize; | const int ovecsize=(1/*match*/)*3; |
| int *ovector; | int ovector[ovecsize]; |
| if(params->size()>1) { | if(params->size()>1) { |
| regexp=¶ms->as_no_junction(1, "regexp must not be code").as_string(); | regexp=¶ms->as_no_junction(1, "regexp must not be code").as_string(); |
| Line 317 static void _list(Request& r, const Stri | Line 405 static void _list(Request& r, const Stri |
| throw Exception(0, | throw Exception(0, |
| ®exp->mid(erroffset, regexp->size()), | ®exp->mid(erroffset, regexp->size()), |
| "regular expression syntax error - %s", errptr); | "regular expression syntax error - %s", errptr); |
| ovector=(int *)pool.malloc(sizeof(int)*(ovecsize=(1/*match*/)*3)); | |
| } else | } else |
| regexp_code=0; | regexp_code=0; |
| Line 353 static void _list(Request& r, const Stri | Line 439 static void _list(Request& r, const Stri |
| char *file_name_cstr=(char *)pool.malloc(file_name_size); | char *file_name_cstr=(char *)pool.malloc(file_name_size); |
| memcpy(file_name_cstr, ffblk.ff_name, file_name_size); | memcpy(file_name_cstr, ffblk.ff_name, file_name_size); |
| String &file_name=*new(pool) String(pool); | String &file_name=*new(pool) String(pool); |
| file_name.APPEND(file_name_cstr, file_name_size, String::UL_FILE_SPEC, | file_name.APPEND_TAINTED(file_name_cstr, file_name_size, |
| method_name.origin().file, method_name.origin().line); | method_name.origin().file, method_name.origin().line); |
| Array& row=*new(pool) Array(pool); | Array& row=*new(pool) Array(pool); |
| Line 367 static void _list(Request& r, const Stri | Line 453 static void _list(Request& r, const Stri |
| // write out result | // write out result |
| VTable& result=*new(pool) VTable(pool, &table); | VTable& result=*new(pool) VTable(pool, &table); |
| result.set_name(method_name); | |
| r.write_no_lang(result); | r.write_no_lang(result); |
| } | } |
| Line 391 static void _lock(Request& r, const Stri | Line 476 static void _lock(Request& r, const Stri |
| file_write_action_under_lock(file_spec, "lock", lock_execute_body, &info); | file_write_action_under_lock(file_spec, "lock", lock_execute_body, &info); |
| } | } |
| // constructor | static int lastposafter(const String& s, int after, const char *substr, size_t substr_size, bool beforelast=false) { |
| size_t size; | |
| if(beforelast) | |
| size=s.size(); | |
| int at; | |
| while((at=s.pos(substr, substr_size, after))>=0) { | |
| size_t newafter=at+substr_size/*skip substr*/; | |
| if(beforelast && newafter==size) | |
| break; | |
| after=newafter; | |
| } | |
| return after; | |
| } | |
| static void _find(Request& r, const String& method_name, MethodParams *params) { | |
| Pool& pool=r.pool(); | |
| const String &file_name=params->as_no_junction(0, "file name must not be code").as_string(); | |
| const String *file_spec; | |
| if(file_name.first_char()=='/') | |
| file_spec=&file_name; | |
| else | |
| file_spec=&r.relative(r.info.uri, file_name); | |
| // easy way | |
| if(file_readable(r.absolute(*file_spec))) { | |
| r.write_assign_lang(*file_spec); | |
| return; | |
| } | |
| MFile::MFile(Pool& apool) : Methoded(apool) { | // monkey way |
| set_name(*NEW String(pool(), FILE_CLASS_NAME)); | int after_base_slash=lastposafter(*file_spec, 0, "/", 1); |
| const String *dirname=&file_spec->mid(0, after_base_slash); | |
| const String& basename=file_spec->mid(after_base_slash, file_spec->size()); | |
| int after_monkey_slash; | |
| while((after_monkey_slash=lastposafter(*dirname, 0, "/", 1, true))>0) { | |
| String local_test_name(pool); | |
| local_test_name<<*(dirname=&dirname->mid(0, after_monkey_slash)); | |
| local_test_name<<basename; | |
| if(file_readable(r.absolute(local_test_name))) { | |
| r.write_assign_lang(*new(pool) String(local_test_name)); | |
| return; | |
| } | |
| } | |
| // no way, not found | |
| if(params->size()==2) { | |
| Value& not_found_code=params->as_junction(1, "not-found param must be code"); | |
| r.write_pass_lang(r.process(not_found_code)); | |
| } | |
| } | |
| static void _dirname(Request& r, const String& method_name, MethodParams *params) { | |
| Pool& pool=r.pool(); | |
| const String& file_spec=params->as_string(0, "file name must be string"); | |
| // /a/some.tar.gz > /a | |
| // /a/b/ > /a | |
| int afterslash=lastposafter(file_spec, 0, "/", 1, true); | |
| if(afterslash>0) | |
| r.write_assign_lang(file_spec.mid(0, afterslash==1?1:afterslash-1)); | |
| else | |
| r.write_assign_lang(*new(pool) String(pool, ".", 1)); | |
| } | |
| static void _basename(Request& r, const String& method_name, MethodParams *params) { | |
| const String& file_spec=params->as_string(0, "file name must be string"); | |
| // /a/some.tar.gz > some.tar.gz | |
| int afterslash=lastposafter(file_spec, 0, "/", 1); | |
| r.write_assign_lang(file_spec.mid(afterslash, file_spec.size())); | |
| } | |
| static void _justname(Request& r, const String& method_name, MethodParams *params) { | |
| const String& file_spec=params->as_string(0, "file name must be string"); | |
| // /a/some.tar.gz > some.tar | |
| int afterslash=lastposafter(file_spec, 0, "/", 1); | |
| int afterdot=lastposafter(file_spec, afterslash, ".", 1); | |
| r.write_assign_lang(file_spec.mid(afterslash, afterdot!=afterslash?afterdot-1:file_spec.size())); | |
| } | |
| static void _justext(Request& r, const String& method_name, MethodParams *params) { | |
| const String& file_spec=params->as_string(0, "file name must be string"); | |
| // /a/some.tar.gz > gz | |
| int afterdot=lastposafter(file_spec, 0, ".", 1); | |
| if(afterdot>0) | |
| r.write_assign_lang(file_spec.mid(afterdot, file_spec.size())); | |
| } | |
| static void _fullpath(Request& r, const String& method_name, MethodParams *params) { | |
| const String& file_spec=params->as_string(0, "file name must be string"); | |
| const String *result; | |
| if(file_spec.first_char()=='/') | |
| result=&file_spec; | |
| else { | |
| // /some/page.html: ^file:fullpath[a.gif] => /some/a.gif | |
| const String& full_disk_path=r.absolute(file_spec); | |
| size_t document_root_length=strlen(r.info.document_root); | |
| if(document_root_length>0) { | |
| char last_char=r.info.document_root[document_root_length-1]; | |
| if(last_char == '/' || last_char == '\\') | |
| --document_root_length; | |
| } | |
| result=&full_disk_path.mid(document_root_length, full_disk_path.size()); | |
| } | |
| r.write_assign_lang(*result); | |
| } | |
| // constructor | |
| MFile::MFile(Pool& apool) : Methoded(apool, "file") { | |
| // ^save[mode;file-name] | // ^save[mode;file-name] |
| add_native_method("save", Method::CT_DYNAMIC, _save, 2, 2); | add_native_method("save", Method::CT_DYNAMIC, _save, 2, 2); |
| Line 406 MFile::MFile(Pool& apool) : Methoded(apo | Line 596 MFile::MFile(Pool& apool) : Methoded(apo |
| // ^move[from-file-name;to-file-name] | // ^move[from-file-name;to-file-name] |
| add_native_method("move", Method::CT_STATIC, _move, 2, 2); | add_native_method("move", Method::CT_STATIC, _move, 2, 2); |
| // ^find[file-name] | |
| // ^find[file-name]{when-not-found} | |
| add_native_method("find", Method::CT_STATIC, _find, 1, 2); | |
| // ^load[mode;disk-name] | // ^load[mode;disk-name] |
| // ^load[mode;disk-name;user-name] | // ^load[mode;disk-name;user-name] |
| add_native_method("load", Method::CT_DYNAMIC, _load, 2, 3); | add_native_method("load", Method::CT_DYNAMIC, _load, 2, 3); |
| Line 434 MFile::MFile(Pool& apool) : Methoded(apo | Line 620 MFile::MFile(Pool& apool) : Methoded(apo |
| // ^file:lock[path]{code} | // ^file:lock[path]{code} |
| add_native_method("lock", Method::CT_STATIC, _lock, 2, 2); | add_native_method("lock", Method::CT_STATIC, _lock, 2, 2); |
| // ^find[file-name] | |
| // ^find[file-name]{when-not-found} | |
| add_native_method("find", Method::CT_STATIC, _find, 1, 2); | |
| // ^file:dirname[/a/some.tar.gz]=/a | |
| // ^file:dirname[/a/b/]=/a | |
| add_native_method("dirname", Method::CT_STATIC, _dirname, 1, 1); | |
| // ^file:basename[/a/some.tar.gz]=some.tar.gz | |
| add_native_method("basename", Method::CT_STATIC, _basename, 1, 1); | |
| // ^file:justname[/a/some.tar.gz]=some.tar | |
| add_native_method("justname", Method::CT_STATIC, _justname, 1, 1); | |
| // ^file:justext[/a/some.tar.gz]=gz | |
| add_native_method("justext", Method::CT_STATIC, _justext, 1, 1); | |
| // /some/page.html: ^file:fullpath[a.gif] => /some/a.gif | |
| add_native_method("fullpath", Method::CT_STATIC, _fullpath, 1, 1); | |
| } | } |
| // global variable | // global variable |