1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
/*
* Copyright 2008 Chris Young <chris@unsatisfactorysoftware.co.uk>
*
* This file is part of NetSurf, http://www.netsurf-browser.org/
*
* NetSurf is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* NetSurf is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include <string.h>
#include "content/fetch.h"
#include "utils/log.h"
#include "utils/utils.h"
#include <proto/icon.h>
#include <proto/dos.h>
#include <proto/datatypes.h>
#include <workbench/icon.h>
/**
* filetype -- determine the MIME type of a local file
*/
const char *fetch_filetype(const char *unix_path)
{
static char mimetype[50];
STRPTR ttype = NULL;
struct DiskObject *dobj = NULL;
BPTR lock = 0;
struct DataTypeHeader *dth = NULL;
struct DataType *dtn;
BOOL found = FALSE;
/* First try getting a tooltype "MIMETYPE" and use that as the MIME type. Will fail over
to default icons if the file doesn't have a real icon. */
if(dobj = GetIconTags(unix_path,ICONGETA_FailIfUnavailable,FALSE,
TAG_DONE))
{
ttype = FindToolType(dobj->do_ToolTypes, "MIMETYPE");
if(ttype)
{
strcpy(mimetype,ttype);
found = TRUE;
}
FreeDiskObject(dobj);
}
/* If that didn't work, have a go at guessing it using datatypes.library. This isn't
accurate - the base names differ from those used by MIME and it relies on the
user having a datatype installed which can handle the file. */
if(!found)
{
if (lock = Lock (unix_path, ACCESS_READ))
{
if (dtn = ObtainDataTypeA (DTST_FILE, (APTR)lock, NULL))
{
dth = dtn->dtn_Header;
switch(dth->dth_GroupID)
{
case GID_SYSTEM:
if(strcmp("directory",dth->dth_BaseName)==0)
{
strcpy(mimetype,"application/x-netsurf-directory");
}
else if(strcmp("binary",dth->dth_BaseName)==0)
{
strcpy(mimetype,"application/octet-stream");
}
else sprintf(mimetype,"application/%s",dth->dth_BaseName);
break;
case GID_TEXT:
case GID_DOCUMENT:
if(strcmp("ascii",dth->dth_BaseName)==0)
{
strcpy(mimetype,"text/plain");
}
else if(strcmp("simplehtml",dth->dth_BaseName)==0)
{
strcpy(mimetype,"text/html");
}
else
{
sprintf(mimetype,"text/%s",dth->dth_BaseName);
}
break;
case GID_SOUND:
case GID_INSTRUMENT:
case GID_MUSIC:
sprintf(mimetype,"audio/%s",dth->dth_BaseName);
break;
case GID_PICTURE:
sprintf(mimetype,"image/%s",dth->dth_BaseName);
if(strcmp("sprite",dth->dth_BaseName)==0)
{
strcpy(mimetype,"image/x-riscos-sprite");
}
break;
case GID_ANIMATION:
case GID_MOVIE:
sprintf(mimetype,"video/%s",dth->dth_BaseName);
break;
}
found = TRUE;
ReleaseDataType(dtn);
}
UnLock(lock);
}
}
if(!found) strcpy(mimetype,"text/html"); /* If all else fails */
return mimetype;
}
char *fetch_mimetype(const char *ro_path)
{
return strdup(fetch_filetype(ro_path));
}
|
