-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathindex.html
228 lines (184 loc) · 11.1 KB
/
index.html
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
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
<!DOCTYPE html>
<html>
<head>
<style>
body {
font-family: sans-serif;
}
a {
color: #369;
}
.note {
width: 500px;
margin: 50px auto;
font-size: 1.1em;
color: #333;
text-align: justify;
}
#drop-area, #pdfs {
border: 2px dashed #ccc;
border-radius: 20px;
width: 480px;
margin: 50px auto;
padding: 20px;
}
#pdfs.hidden {
display: none;
}
#drop-area.highlight {
border-color: purple;
}
p {
margin-top: 0;
}
.my-form {
margin-bottom: 10px;
}
#gallery {
margin-top: 10px;
}
#pdfs img {
width: 75px;
margin-bottom: 10px;
margin-right: 10px;
vertical-align: middle;
}
#pdfs a {
text-decoration: none;
}
.button {
display: inline-block;
padding: 10px;
background: #ccc;
cursor: pointer;
border-radius: 5px;
border: 1px solid #ccc;
}
.button:hover {
background: #ddd;
}
#fileElem {
display: none;
}
</style>
<script src="coherentpdf.browser.js"></script>
</head>
<body>
<div class="note"><strong>Select some PDFs, or drag and drop them, in the box above. Each one will be protected to
prevent
manipulation or editing. Note that all the processing happens in your browser - your files are not sent over
the internet.
</strong></div>
<div id="drop-area">
<form class="my-form">
<p>Upload multiple files with the file dialog or by dragging and dropping images onto the dashed region</p>
<input type="file" id="fileElem" multiple accept="application/pdf" onchange="handleFiles(this.files)">
<label class="button" for="fileElem">Select some files</label>
</form>
<!-- <progress id="progress-bar" max=100 value=0></progress> -->
<div id="gallery"></div>
</div>
<div id="pdfs" class="hidden"></div>
</body>
<script>
// ************************ Drag and drop ***************** //
let dropArea = document.getElementById("drop-area");
// Prevent default drag behaviors
["dragenter", "dragover", "dragleave", "drop"].forEach((eventName) => {
dropArea.addEventListener(eventName, preventDefaults, false);
window.addEventListener(eventName, preventDefaults, false);
});
// Highlight drop area when item is dragged over it
["dragenter", "dragover"].forEach((eventName) => {
dropArea.addEventListener(eventName, handleDrag, false);
window.addEventListener(eventName, unhighlight, false);
});
["dragleave", "drop"].forEach((eventName) => {
// dropArea.addEventListener(eventName, unhighlight, false);
dropArea.addEventListener(eventName, handleDrag, false);
window.addEventListener(eventName, unhighlight, false);
});
// Handle dropped files
dropArea.addEventListener("drop", handleDrop, false);
function preventDefaults(e) {
e.preventDefault();
e.stopPropagation();
}
function highlight(e) {
dropArea.classList.add("highlight");
e.dataTransfer.dropEffect = 'copy';
};
function unhighlight(e) {
dropArea.classList.remove("highlight");
e.dataTransfer.dropEffect = 'none';
}
function isPdf(f) {
return (f.kind == 'file' || f instanceof File) && f.type == 'application/pdf';
}
function formatFileName(fN, max = 40) {
if (max<11) {max = 11};
if (fN.length < max) {
return fN;
} else {
let extensionDelimiterIndex = fN.lastIndexOf('.');
let middleRemovedName = `${fN.substring(0, max-10)}...${fN.substring(extensionDelimiterIndex - 3)}`
return middleRemovedName;
}
}
function handleDrag(e) {
var draggedItems = [...e.dataTransfer.items];
(draggedItems.some(isPdf)) ? highlight(e) : unhighlight(e);
};
function handleDrop(e) {
unhighlight(e);
var dt = e.dataTransfer;
var files = dt.files;
handleFiles(files);
}
function handleFiles(files) {
// NB we can get here from the file select dialog, or from drag and drop events
files = [...files];
files.forEach((f) => { isPdf(f) && protectPdf(f) });
}
function protectPdf(file) {
const pdfIcon = "data:image/png;base64,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"
let fn = file.name;
let buffer = file.arrayBuffer()
.then(processBuffer)
function processBuffer(b) {
b = new Uint8Array(b);
let permissions = [coherentpdf.noAnnot, coherentpdf.noAssemble, 2, coherentpdf.noEdit, coherentpdf.noExtract, coherentpdf.noForms];
let encryption = coherentpdf.aes256bitisofalse;
let oPassword = "";
while (oPassword.length < 30) {
oPassword += Math.random().toString(36).slice(2, 7);
};
let uPassword = "";
let pdf = coherentpdf.fromMemory(b, "");
coherentpdf.setFast();
let pdfOut = coherentpdf.toMemoryEncryptedExt(pdf, encryption, permissions, oPassword, uPassword, false, false, true, false, true);
// coherentpdf.deletePdf(pdf);
// express the result PDF as a data URI, and embed in the document
let r = new FileReader();
r.readAsDataURL(new Blob([pdfOut], { type: 'application/octet-stream' }));
r.onloadend = function () {
let p = document.createElement('p');
let a = document.createElement('a');
let img = document.createElement('img');
let pdfs = document.getElementById("pdfs");
a.appendChild(img);
p.appendChild(a)
pdfs.appendChild(p);
pdfs.classList.remove("hidden");
img.alt = formatFileName(fn);
img.src = pdfIcon;
a.download = formatFileName("PROTECTED " + fn);
// a.innerHTML = formatFileName(fn);
a.href = r.result;
a.appendChild(document.createTextNode(a.download));
// a.click();
}
}
}
</script>
</html>