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
|
/*
* Copyright 2018 Allan Wang
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*/
package com.pitchedapps.frost.facebook.parsers
import com.pitchedapps.frost.db.CookieEntity
import com.pitchedapps.frost.facebook.FB_EPOCH_MATCHER
import com.pitchedapps.frost.facebook.FB_MESSAGE_NOTIF_ID_MATCHER
import com.pitchedapps.frost.facebook.FbItem
import com.pitchedapps.frost.facebook.formattedFbUrl
import com.pitchedapps.frost.facebook.get
import com.pitchedapps.frost.services.NotificationContent
import com.pitchedapps.frost.utils.L
import org.apache.commons.text.StringEscapeUtils
import org.jsoup.Jsoup
import org.jsoup.nodes.Document
import org.jsoup.nodes.Element
/**
* Created by Allan Wang on 2017-10-06.
*
* In Facebook, messages are passed through scripts and loaded into view via react afterwards
* We can parse out the content we want directly and load it ourselves
*
*/
object MessageParser : FrostParser<FrostMessages> by MessageParserImpl() {
fun queryUser(cookie: String?, name: String) =
parseFromUrl(cookie, "${FbItem.MESSAGES.url}/?q=$name")
}
data class FrostMessages(
val threads: List<FrostThread>,
val seeMore: FrostLink?,
val extraLinks: List<FrostLink>
) : ParseNotification {
override val isEmpty: Boolean
get() = threads.isEmpty()
override fun toString() = StringBuilder().apply {
append("FrostMessages {\n")
append(threads.toJsonString("threads", 1))
append("\tsee more: $seeMore\n")
append(extraLinks.toJsonString("extra links", 1))
append("}")
}.toString()
override fun getUnreadNotifications(data: CookieEntity) =
threads.asSequence().filter(FrostThread::unread).map {
with(it) {
NotificationContent(
data = data,
id = id,
href = url,
title = title,
text = content ?: "",
timestamp = time,
profileUrl = img,
unread = unread
)
}
}.toList()
}
/**
* [id] user/thread id, or current time fallback
* [img] parsed url for profile img
* [time] time of message
* [url] link to thread
* [unread] true if image is unread, false otherwise
* [content] optional string for thread
*/
data class FrostThread(
val id: Long,
val img: String?,
val title: String,
val time: Long,
val url: String,
val unread: Boolean,
val content: String?,
val contentImgUrl: String?
)
private class MessageParserImpl : FrostParserBase<FrostMessages>(true) {
override var nameRes = FbItem.MESSAGES.titleId
override val url = FbItem.MESSAGES.url
override fun textToDoc(text: String): Document? {
var content = StringEscapeUtils.unescapeEcmaScript(text)
val begin = content.indexOf("id=\"threadlist_rows\"")
if (begin <= 0) {
L.d { "Threadlist not found" }
return null
}
content = content.substring(begin)
val end = content.indexOf("</script>")
if (end <= 0) {
L.d { "Script tail not found" }
return null
}
content = content.substring(0, end).substringBeforeLast("</div>")
return Jsoup.parseBodyFragment("<div $content")
}
override fun parseImpl(doc: Document): FrostMessages? {
val threadList = doc.getElementById("threadlist_rows") ?: return null
val threads: List<FrostThread> =
threadList.getElementsByAttributeValueMatching(
"id",
".*${FB_MESSAGE_NOTIF_ID_MATCHER.pattern}.*"
)
.mapNotNull(this::parseMessage)
val seeMore = parseLink(doc.getElementById("see_older_threads"))
val extraLinks = threadList.nextElementSibling().select("a")
.mapNotNull(this::parseLink)
return FrostMessages(threads, seeMore, extraLinks)
}
private fun parseMessage(element: Element): FrostThread? {
val a = element.getElementsByTag("a").first() ?: return null
val abbr = element.getElementsByTag("abbr")
val epoch = FB_EPOCH_MATCHER.find(abbr.attr("data-store"))[1]?.toLongOrNull() ?: -1L
//fetch id
val id = FB_MESSAGE_NOTIF_ID_MATCHER.find(element.id())[1]?.toLongOrNull()
?: System.currentTimeMillis() % FALLBACK_TIME_MOD
val snippet = element.select("span.snippet").firstOrNull()
val content = snippet?.text()?.trim()
val contentImg = snippet?.select("i[style*=url]")?.getStyleUrl()
val img = element.getInnerImgStyle()
return FrostThread(
id = id,
img = img,
title = a.text(),
time = epoch,
url = a.attr("href").formattedFbUrl,
unread = !element.hasClass("acw"),
content = content,
contentImgUrl = contentImg
)
}
}
|
