aboutsummaryrefslogtreecommitdiff
path: root/backends/networking/sdl_net/handlers/filespagehandler.cpp
blob: 1b8ab463bcc3a00672ec692363a259a2da5abacd (plain)
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
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* This program 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; either version 2
* of the License, or (at your option) any later version.
*
* This program 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/

#include "backends/networking/sdl_net/handlers/filespagehandler.h"
#include "backends/networking/sdl_net/handlerutils.h"
#include "backends/networking/sdl_net/localwebserver.h"
#include "common/translation.h"

namespace Networking {

#define INDEX_PAGE_NAME ".index.html"
#define FILES_PAGE_NAME ".files.html"

FilesPageHandler::FilesPageHandler() {}

FilesPageHandler::~FilesPageHandler() {}

namespace {
Common::String encodeDoubleQuotes(Common::String s) {
	Common::String result = "";
	for (uint32 i = 0; i < s.size(); ++i)
		if (s[i] == '"') {
			result += "\\\"";
		} else result += s[i];
	return result;
}
}

void FilesPageHandler::handle(Client &client) {
	Common::String response = 
		"<html>" \
			"<head><title>ScummVM</title></head>" \
			"<body>" \
				"<p>{create_directory_desc}</p>" \
				"<form action=\"create\">" \
					"<input type=\"hidden\" name=\"path\" value=\"{path}\"/>" \
					"<input type=\"text\" name=\"directory_name\" value=\"\"/>" \
					"<input type=\"submit\" value=\"{create_directory_button}\"/>" \
				"</form>" \
				"<hr/>" \
				"<p>{upload_file_desc}</p>" \
				"<form action=\"upload?path={path}\" method=\"post\" enctype=\"multipart/form-data\">" \
					"<input type=\"file\" name=\"upload_file-f\" allowdirs multiple/>" \
					"<span>{or_upload_directory_desc}</span>" \
					"<input type=\"file\" name=\"upload_file-d\" directory webkitdirectory multiple/>" \
					"<input type=\"submit\" value=\"{upload_file_button}\"/>" \
				"</form>"
				"<hr/>" \
				"<table>{content}</table>" \
			"</body>" \
		"</html>";
	Common::String itemTemplate = "<tr><td><img src=\"icons/{icon}\"/></td><td><a href=\"{link}\">{name}</a></td><td>{size}</td></tr>\n"; //TODO: load this template too?

	// load stylish response page from the archive
	Common::SeekableReadStream *const stream = HandlerUtils::getArchiveFile(FILES_PAGE_NAME);
	if (stream) response = HandlerUtils::readEverythingFromStream(stream);

	Common::String path = client.queryParameter("path");
	Common::String content = "";
	
	// show an error message if failed to list directory
	if (!listDirectory(path, content, itemTemplate)) {
		HandlerUtils::setFilesManagerErrorMessageHandler(client, _("ScummVM couldn't list the directory you specified."));
		return;
	}

	//these occur twice:
	replace(response, "{create_directory_button}", _("Create directory"));
	replace(response, "{create_directory_button}", _("Create directory"));
	replace(response, "{path}", encodeDoubleQuotes(client.queryParameter("path")));
	replace(response, "{path}", encodeDoubleQuotes(client.queryParameter("path")));
	replace(response, "{upload_files_button}", _("Upload files")); //tab
	replace(response, "{upload_file_button}", _("Upload files")); //button in the tab
	replace(response, "{create_directory_desc}", _("Type new directory name:"));
	replace(response, "{upload_file_desc}", _("Select a file to upload:"));
	replace(response, "{or_upload_directory_desc}", _("Or select a directory (works in Chrome only):"));
	replace(response, "{content}", content);	
	LocalWebserver::setClientGetHandler(client, response);
}

bool FilesPageHandler::listDirectory(Common::String path, Common::String &content, const Common::String &itemTemplate) {
	if (path == "" || path == "/") {
		addItem(content, itemTemplate, IT_DIRECTORY, "/root/", _("File system root"));
		addItem(content, itemTemplate, IT_DIRECTORY, "/saves/", _("Saved games"));
		return true;
	}

	Common::String prefixToRemove = "", prefixToAdd = "";
	if (!transformPath(path, prefixToRemove, prefixToAdd)) return false;

	Common::FSNode node = Common::FSNode(path);
	if (path == "/") node = node.getParent(); // absolute root
	if (!node.isDirectory()) return false;

	// list directory
	Common::FSList _nodeContent;
	if (!node.getChildren(_nodeContent, Common::FSNode::kListAll, false)) // do not show hidden files
		_nodeContent.clear();
	else
		Common::sort(_nodeContent.begin(), _nodeContent.end());

	// add parent directory link
	{
		Common::String filePath = path;
		if (filePath.hasPrefix(prefixToRemove))
			filePath.erase(0, prefixToRemove.size());
		if (filePath == "" || filePath == "/" || filePath == "\\")
			filePath = "/";
		else
			filePath = parentPath(prefixToAdd + filePath);
		addItem(content, itemTemplate, IT_PARENT_DIRECTORY, filePath, _("Parent directory"));
	}

	// fill the content
	for (Common::FSList::iterator i = _nodeContent.begin(); i != _nodeContent.end(); ++i) {
		Common::String name = i->getDisplayName();
		if (i->isDirectory()) name += "/";

		Common::String filePath = i->getPath();
		if (filePath.hasPrefix(prefixToRemove))
			filePath.erase(0, prefixToRemove.size());
		filePath = prefixToAdd + filePath;

		addItem(content, itemTemplate, detectType(i->isDirectory(), name), filePath, name);
	}

	return true;
}

FilesPageHandler::ItemType FilesPageHandler::detectType(bool isDirectory, const Common::String &name) const {
	if (isDirectory) return IT_DIRECTORY;
	if (name.hasSuffix(".txt")) return IT_TXT;
	if (name.hasSuffix(".zip")) return IT_ZIP;
	if (name.hasSuffix(".7z")) return IT_7Z;
	return IT_UNKNOWN;
}

void FilesPageHandler::addItem(Common::String &content, const Common::String &itemTemplate, ItemType itemType, Common::String path, Common::String name, Common::String size) {
	Common::String item = itemTemplate, icon;
	bool isDirectory = (itemType == IT_DIRECTORY || itemType == IT_PARENT_DIRECTORY);
	switch (itemType) {
	case IT_DIRECTORY: icon = "dir.png"; break;
	case IT_PARENT_DIRECTORY: icon = "up.png"; break;
	case IT_TXT: icon = "txt.png"; break;
	case IT_ZIP: icon = "zip.png"; break;
	case IT_7Z: icon = "7z.png"; break;
	default: icon = "unk.png";
	}
	replace(item, "{icon}", icon);
	replace(item, "{link}", (isDirectory ? "files?path=" : "download?path=") + LocalWebserver::urlEncodeQueryParameterValue(path));
	replace(item, "{name}", name);
	replace(item, "{size}", size);
	content += item;
}

/// public

ClientHandlerCallback FilesPageHandler::getHandler() {
	return new Common::Callback<FilesPageHandler, Client &>(this, &FilesPageHandler::handle);
}

} // End of namespace Networking