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
|
/*
* Copyright (c) 2021, Kyle Pereira <hey@xylepereira.me>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/CharacterTypes.h>
#include <LibIMAP/Objects.h>
namespace IMAP {
String Sequence::serialize() const
{
if (start == end) {
return AK::String::formatted("{}", start);
} else {
auto start_char = start != -1 ? String::formatted("{}", start) : "*";
auto end_char = end != -1 ? String::formatted("{}", end) : "*";
return String::formatted("{}:{}", start_char, end_char);
}
}
String FetchCommand::DataItem::Section::serialize() const
{
StringBuilder headers_builder;
switch (type) {
case SectionType::Header:
return "HEADER";
case SectionType::HeaderFields:
case SectionType::HeaderFieldsNot: {
if (type == SectionType::HeaderFields)
headers_builder.append("HEADER.FIELDS (");
else
headers_builder.append("HEADERS.FIELDS.NOT (");
bool first = true;
for (auto& field : headers.value()) {
if (!first)
headers_builder.append(" ");
headers_builder.append(field);
first = false;
}
headers_builder.append(")");
return headers_builder.build();
}
case SectionType::Text:
return "TEXT";
case SectionType::Parts: {
StringBuilder sb;
bool first = true;
for (int part : parts.value()) {
if (!first)
sb.append(".");
sb.appendff("{}", part);
first = false;
}
if (ends_with_mime) {
sb.append(".MIME");
}
return sb.build();
}
}
VERIFY_NOT_REACHED();
}
String FetchCommand::DataItem::serialize() const
{
switch (type) {
case DataItemType::Envelope:
return "ENVELOPE";
case DataItemType::Flags:
return "FLAGS";
case DataItemType::InternalDate:
return "INTERNALDATE";
case DataItemType::UID:
return "UID";
case DataItemType::PeekBody:
TODO();
case DataItemType::BodySection: {
StringBuilder sb;
sb.appendff("BODY[{}]", section.value().serialize());
if (partial_fetch) {
sb.appendff("<{}.{}>", start, octets);
}
return sb.build();
}
case DataItemType::BodyStructure:
return "BODYSTRUCTURE";
}
VERIFY_NOT_REACHED();
}
String FetchCommand::serialize()
{
StringBuilder sequence_builder;
bool first = true;
for (auto& sequence : sequence_set) {
if (!first) {
sequence_builder.append(",");
}
sequence_builder.append(sequence.serialize());
first = false;
}
StringBuilder data_items_builder;
first = true;
for (auto& data_item : data_items) {
if (!first) {
data_items_builder.append(" ");
}
data_items_builder.append(data_item.serialize());
first = false;
}
return AK::String::formatted("{} ({})", sequence_builder.build(), data_items_builder.build());
}
String serialize_astring(StringView string)
{
// Try to send an atom
auto is_non_atom_char = [](char x) {
auto non_atom_chars = { '(', ')', '{', ' ', '%', '*', '"', '\\', ']' };
return AK::find(non_atom_chars.begin(), non_atom_chars.end(), x) != non_atom_chars.end();
};
auto is_atom = all_of(string, [&](auto ch) { return is_ascii_control(ch) && !is_non_atom_char(ch); });
if (is_atom) {
return string;
}
// Try to quote
auto can_be_quoted = !(string.contains('\n') || string.contains('\r'));
if (can_be_quoted) {
auto escaped_str = string.replace("\\", "\\\\").replace("\"", "\\\"");
return String::formatted("\"{}\"", escaped_str);
}
// Just send a literal
return String::formatted("{{{}}}\r\n{}", string.length(), string);
}
String SearchKey::serialize() const
{
return data.visit(
[&](All const&) { return String("ALL"); },
[&](Answered const&) { return String("ANSWERED"); },
[&](Bcc const& x) { return String::formatted("BCC {}", serialize_astring(x.bcc)); },
[&](Cc const& x) { return String::formatted("CC {}", serialize_astring(x.cc)); },
[&](Deleted const&) { return String("DELETED"); },
[&](Draft const&) { return String("DRAFT"); },
[&](From const& x) { return String::formatted("FROM {}", serialize_astring(x.from)); },
[&](Header const& x) { return String::formatted("HEADER {} {}", serialize_astring(x.header), serialize_astring(x.value)); },
[&](Keyword const& x) { return String::formatted("KEYWORD {}", x.keyword); },
[&](Larger const& x) { return String::formatted("LARGER {}", x.number); },
[&](New const&) { return String("NEW"); },
[&](Not const& x) { return String::formatted("NOT {}", x.operand->serialize()); },
[&](Old const&) { return String("OLD"); },
[&](On const& x) { return String::formatted("ON {}", x.date.to_string("%d-%b-%Y")); },
[&](Or const& x) { return String::formatted("OR {} {}", x.lhs->serialize(), x.rhs->serialize()); },
[&](Recent const&) { return String("RECENT"); },
[&](SearchKeys const& x) {
StringBuilder sb;
sb.append("(");
bool first = true;
for (const auto& item : x.keys) {
if (!first)
sb.append(", ");
sb.append(item->serialize());
first = false;
}
return sb.build();
},
[&](Seen const&) { return String("SEEN"); },
[&](SentBefore const& x) { return String::formatted("SENTBEFORE {}", x.date.to_string("%d-%b-%Y")); },
[&](SentOn const& x) { return String::formatted("SENTON {}", x.date.to_string("%d-%b-%Y")); },
[&](SentSince const& x) { return String::formatted("SENTSINCE {}", x.date.to_string("%d-%b-%Y")); },
[&](SequenceSet const& x) { return x.sequence.serialize(); },
[&](Since const& x) { return String::formatted("SINCE {}", x.date.to_string("%d-%b-%Y")); },
[&](Smaller const& x) { return String::formatted("SMALLER {}", x.number); },
[&](Subject const& x) { return String::formatted("SUBJECT {}", serialize_astring(x.subject)); },
[&](Text const& x) { return String::formatted("TEXT {}", serialize_astring(x.text)); },
[&](To const& x) { return String::formatted("TO {}", serialize_astring(x.to)); },
[&](UID const& x) { return String::formatted("UID {}", x.uid); },
[&](Unanswered const&) { return String("UNANSWERED"); },
[&](Undeleted const&) { return String("UNDELETED"); },
[&](Undraft const&) { return String("UNDRAFT"); },
[&](Unkeyword const& x) { return String::formatted("UNKEYWORD {}", serialize_astring(x.flag_keyword)); },
[&](Unseen const&) { return String("UNSEEN"); });
}
}
|
