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/*
* 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("\\", "\\\\", ReplaceMode::All).replace("\"", "\\\"", ReplaceMode::All);
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"); });
}
}
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