Annotation of parser3/src/classes/file.C, revision 1.14
1.1 paf 1: /*
2: Parser
3: Copyright (c) 2001 ArtLebedev Group (http://www.artlebedev.com)
4: Author: Alexander Petrosyan <paf@design.ru> (http://design.ru/paf)
5:
1.14 ! paf 6: $Id: file.C,v 1.13 2001/03/29 20:53:02 paf Exp $
1.1 paf 7: */
8:
9: #include "pa_request.h"
10: #include "_file.h"
11: #include "pa_vfile.h"
1.11 paf 12: #include "pa_table.h"
1.1 paf 13:
1.9 paf 14: // consts
15:
16: const int FIND_MONKEY_MAX_HOPS=10;
17:
1.1 paf 18: // global var
19:
1.3 paf 20: VStateless_class *file_class;
1.1 paf 21:
22: // methods
23:
1.7 paf 24: /// @test mkdirs
1.1 paf 25: static void _save(Request& r, const String& method_name, Array *params) {
1.4 paf 26: Pool& pool=r.pool();
1.8 paf 27: Value& vfile_name=*static_cast<Value *>(params->get(0));
1.1 paf 28: // forcing
1.4 paf 29: // ^save[this body type]
1.8 paf 30: r.fail_if_junction_(true, vfile_name,
1.4 paf 31: method_name, "file name must not be junction");
32:
33: // forcing untaint language
34: String lfile_name(pool);
1.8 paf 35: lfile_name.append(vfile_name.as_string(),
1.5 paf 36: String::UL_FILE_NAME, true);
1.7 paf 37:
38: // save
39: static_cast<VFile *>(r.self)->save(r.absolute(lfile_name));
40: }
41:
42: static void _delete(Request& r, const String& method_name, Array *params) {
43: Pool& pool=r.pool();
1.8 paf 44: Value& vfile_name=*static_cast<Value *>(params->get(0));
1.7 paf 45: // forcing
46: // ^delete[this body type]
1.8 paf 47: r.fail_if_junction_(true, vfile_name,
1.7 paf 48: method_name, "file name must not be junction");
49:
50: // forcing untaint language
51: String lfile_name(pool);
1.8 paf 52: lfile_name.append(vfile_name.as_string(),
1.7 paf 53: String::UL_FILE_NAME, true);
1.4 paf 54:
1.7 paf 55: // unlink
56: file_delete(pool, r.absolute(lfile_name));
1.1 paf 57: }
58:
1.8 paf 59: static void _find(Request& r, const String& method_name, Array *params) {
60: Pool& pool=r.pool();
61: Value& vfile_name=*static_cast<Value *>(params->get(0));
62: // forcing
63: // ^delete[this body type]
64: r.fail_if_junction_(true, vfile_name,
65: method_name, "file name must not be junction");
66:
67: // forcing untaint language
68: String lfile_name(pool);
69: lfile_name.append(vfile_name.as_string(),
70: String::UL_FILE_NAME, true);
71:
72: // passed file name simply exists in current dir
73: if(file_readable(r.absolute(lfile_name))) {
74: r.write_no_lang(*new(pool) VString(lfile_name));
75: return;
76: }
77:
78: // scan .. dirs for result
1.9 paf 79: for(int i=0; i<FIND_MONKEY_MAX_HOPS; i++) {
1.8 paf 80: String test_name(pool);
81: for(int j=0; j<i; j++)
82: test_name.APPEND_CONST("../");
83: test_name.append(lfile_name, String::UL_NO);
84: if(file_readable(r.absolute(test_name))) {
85: r.write_no_lang(*new(pool) VString(*new(pool) String(test_name)));
86: return;
87: }
88: }
89:
90: // not found
91: if(params->size()==2) {
92: // forcing ..{this body type}
93: Value& not_found_code=*static_cast<Value *>(params->get(1));
94: r.fail_if_junction_(false, not_found_code,
95: method_name, "not-found param must be junction");
96: r.write_pass_lang(r.process(not_found_code));
97: }
98: }
99:
1.9 paf 100: static void _load(Request& r, const String& method_name, Array *params) {
101: Pool& pool=r.pool();
102: Value& vfile_name=*static_cast<Value *>(params->get(0));
103:
1.10 paf 104: // forcing ^load[this body type]
1.9 paf 105: r.fail_if_junction_(true, vfile_name,
106: method_name, "file name must not be junction");
107:
108: // forcing untaint language
109: String lfile_name(pool);
110: lfile_name.append(vfile_name.as_string(),
111: String::UL_FILE_NAME, true);
112:
1.12 paf 113: void *data; size_t size;
1.9 paf 114: file_read(pool, r.absolute(lfile_name), data, size, false/*binary*/);
115:
116: char *user_file_name=params->size()==1?lfile_name.cstr()
117: :static_cast<Value *>(params->get(1))->as_string().cstr();
1.10 paf 118:
1.11 paf 119: const String *mime_type=0;
120: if(params->size()==3)
121: mime_type=&static_cast<Value *>(params->get(2))->as_string();
122: else {
123: if(r.mime_types) {
124: if(char *cext=strrchr(user_file_name, '.')) {
125: cext++;
126: String sext(pool, cext);
127: if(r.mime_types->locate(0, sext))
128: if(!(mime_type=r.mime_types->item(1)))
129: PTHROW(0, 0,
1.12 paf 130: r.mime_types->origin_string(),
131: "MIME-TYPE table column elements must not be empty");
1.11 paf 132: }
133: }
134: }
1.12 paf 135:
1.11 paf 136: if(!mime_type)
137: mime_type=new(pool) String(pool, "application/octet-stream");
138:
139: static_cast<VFile *>(r.self)->set(data, size, user_file_name, mime_type);
1.9 paf 140: }
141:
1.1 paf 142: // initialize
143:
1.3 paf 144: void initialize_file_class(Pool& pool, VStateless_class& vclass) {
1.1 paf 145: // ^save[file-name]
1.14 ! paf 146: vclass.add_native_method("save", Method::CT_DYNAMIC, _save, 1, 1);
1.7 paf 147:
148: // ^delete[file-name]
1.14 ! paf 149: vclass.add_native_method("delete", Method::CT_STATIC, _delete, 1, 1);
1.8 paf 150:
151: // ^find[file-name]
152: // ^find[file-name]{when-not-found}
1.14 ! paf 153: vclass.add_native_method("find", Method::CT_STATIC, _find, 1, 2);
1.9 paf 154:
155: // ^load[disk-name]
156: // ^load[disk-name;user-name]
1.11 paf 157: // ^load[disk-name;user-name;mime-type]
1.14 ! paf 158: vclass.add_native_method("load", Method::CT_DYNAMIC, _load, 1, 3);
1.1 paf 159: }
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