/
FieldConstraints.cpp
244 lines (215 loc) · 8.68 KB
/
FieldConstraints.cpp
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
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
/*
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
#include <mariana-trench/constraints/FieldConstraints.h>
#include <mariana-trench/constraints/MethodConstraints.h>
namespace marianatrench {
IsStaticFieldConstraint::IsStaticFieldConstraint(bool expected)
: expected_(expected) {}
bool IsStaticFieldConstraint::satisfy(const Field* field) const {
return ((field->dex_field()->get_access() & DexAccessFlags::ACC_STATIC) >
0) == expected_;
}
bool IsStaticFieldConstraint::operator==(const FieldConstraint& other) const {
if (auto* other_constraint =
dynamic_cast<const IsStaticFieldConstraint*>(&other)) {
return other_constraint->expected_ == expected_;
} else {
return false;
}
}
FieldNameConstraint::FieldNameConstraint(const std::string& regex_string)
: pattern_(regex_string) {}
bool FieldNameConstraint::satisfy(const Field* field) const {
return re2::RE2::FullMatch(field->get_name(), pattern_);
}
bool FieldNameConstraint::operator==(const FieldConstraint& other) const {
if (auto* other_constraint =
dynamic_cast<const FieldNameConstraint*>(&other)) {
return other_constraint->pattern_.pattern() == pattern_.pattern();
} else {
return false;
}
}
SignaturePatternFieldConstraint::SignaturePatternFieldConstraint(
const std::string& regex_string)
: pattern_(regex_string) {}
bool SignaturePatternFieldConstraint::satisfy(const Field* field) const {
return re2::RE2::FullMatch(field->show(), pattern_);
}
bool SignaturePatternFieldConstraint::operator==(
const FieldConstraint& other) const {
if (auto* other_constraint =
dynamic_cast<const SignaturePatternFieldConstraint*>(&other)) {
return other_constraint->pattern_.pattern() == pattern_.pattern();
} else {
return false;
}
}
HasAnnotationFieldConstraint::HasAnnotationFieldConstraint(
const std::string& type,
const std::optional<std::string>& annotation)
: type_(type), annotation_(annotation) {}
bool HasAnnotationFieldConstraint::satisfy(const Field* field) const {
return has_annotation(field->dex_field()->get_anno_set(), type_, annotation_);
}
bool HasAnnotationFieldConstraint::operator==(
const FieldConstraint& other) const {
if (auto* other_constraint =
dynamic_cast<const HasAnnotationFieldConstraint*>(&other)) {
return other_constraint->type_ == type_ &&
((!other_constraint->annotation_ && !annotation_) ||
(other_constraint->annotation_ && annotation_ &&
other_constraint->annotation_->pattern() == annotation_->pattern()));
} else {
return false;
}
}
ParentFieldConstraint::ParentFieldConstraint(
std::unique_ptr<TypeConstraint> inner_constraint)
: inner_constraint_(std::move(inner_constraint)) {}
bool ParentFieldConstraint::satisfy(const Field* field) const {
return inner_constraint_->satisfy(field->get_class());
}
bool ParentFieldConstraint::operator==(const FieldConstraint& other) const {
if (auto* other_constraint =
dynamic_cast<const ParentFieldConstraint*>(&other)) {
return *(other_constraint->inner_constraint_) == *inner_constraint_;
} else {
return false;
}
}
AllOfFieldConstraint::AllOfFieldConstraint(
std::vector<std::unique_ptr<FieldConstraint>> constraints)
: constraints_(std::move(constraints)) {}
bool AllOfFieldConstraint::satisfy(const Field* field) const {
return std::all_of(
constraints_.begin(),
constraints_.end(),
[field](const auto& constraint) { return constraint->satisfy(field); });
}
bool AllOfFieldConstraint::operator==(const FieldConstraint& other) const {
if (auto* other_constraint =
dynamic_cast<const AllOfFieldConstraint*>(&other)) {
return std::is_permutation(
other_constraint->constraints_.begin(),
other_constraint->constraints_.end(),
constraints_.begin(),
constraints_.end(),
[](const auto& left, const auto& right) { return *left == *right; });
} else {
return false;
}
}
NotFieldConstraint::NotFieldConstraint(
std::unique_ptr<FieldConstraint> constraint)
: constraint_(std::move(constraint)) {}
bool NotFieldConstraint::satisfy(const Field* field) const {
return !constraint_->satisfy(field);
}
bool NotFieldConstraint::operator==(const FieldConstraint& other) const {
if (auto* other_constraint =
dynamic_cast<const NotFieldConstraint*>(&other)) {
return *(other_constraint->constraint_) == *constraint_;
} else {
return false;
}
}
AnyOfFieldConstraint::AnyOfFieldConstraint(
std::vector<std::unique_ptr<FieldConstraint>> constraints)
: constraints_(std::move(constraints)) {}
bool AnyOfFieldConstraint::satisfy(const Field* field) const {
// If there is no constraint, the field vacuously satisfies the constraint
// This is different from the semantic of std::any_of
if (constraints_.empty()) {
return true;
}
return std::any_of(
constraints_.begin(),
constraints_.end(),
[field](const auto& constraint) { return constraint->satisfy(field); });
}
bool AnyOfFieldConstraint::operator==(const FieldConstraint& other) const {
if (auto* other_constraint =
dynamic_cast<const AnyOfFieldConstraint*>(&other)) {
return std::is_permutation(
other_constraint->constraints_.begin(),
other_constraint->constraints_.end(),
constraints_.begin(),
constraints_.end(),
[](const auto& left, const auto& right) { return *left == *right; });
} else {
return false;
}
}
std::unique_ptr<FieldConstraint> FieldConstraint::from_json(
const Json::Value& constraint) {
JsonValidation::validate_object(constraint);
std::string constraint_name =
JsonValidation::string(constraint, "constraint");
if (constraint_name == "name") {
JsonValidation::check_unexpected_members(
constraint, {"constraint", "pattern"});
return std::make_unique<FieldNameConstraint>(
JsonValidation::string(constraint, /* field */ "pattern"));
} else if (constraint_name == "signature") {
JsonValidation::check_unexpected_members(
constraint, {"constraint", "pattern"});
return std::make_unique<SignaturePatternFieldConstraint>(
JsonValidation::string(constraint, /* field */ "pattern"));
} else if (constraint_name == "signature_pattern") {
JsonValidation::check_unexpected_members(
constraint, {"constraint", "pattern"});
return std::make_unique<SignaturePatternFieldConstraint>(
JsonValidation::string(constraint, /* field */ "pattern"));
} else if (constraint_name == "is_static") {
JsonValidation::check_unexpected_members(
constraint, {"constraint", "value"});
bool expected = constraint.isMember("value")
? JsonValidation::boolean(constraint, /* field */ "value")
: true;
return std::make_unique<IsStaticFieldConstraint>(expected);
} else if (constraint_name == "not") {
JsonValidation::check_unexpected_members(
constraint, {"constraint", "inner"});
return std::make_unique<NotFieldConstraint>(FieldConstraint::from_json(
JsonValidation::object(constraint, /* field */ "inner")));
} else if (constraint_name == "any_of" || constraint_name == "all_of") {
JsonValidation::check_unexpected_members(
constraint, {"constraint", "inners"});
std::vector<std::unique_ptr<FieldConstraint>> constraints;
for (const auto& inner :
JsonValidation::null_or_array(constraint, /* field */ "inners")) {
constraints.push_back(FieldConstraint::from_json(inner));
}
if (constraint_name == "any_of") {
return std::make_unique<AnyOfFieldConstraint>(std::move(constraints));
} else {
return std::make_unique<AllOfFieldConstraint>(std::move(constraints));
}
} else if (constraint_name == "has_annotation") {
JsonValidation::check_unexpected_members(
constraint, {"constraint", "type", "pattern"});
return std::make_unique<HasAnnotationFieldConstraint>(
JsonValidation::string(constraint, "type"),
constraint.isMember("pattern")
? std::optional<std::string>{JsonValidation::string(
constraint, "pattern")}
: std::nullopt);
} else if (constraint_name == "parent") {
JsonValidation::check_unexpected_members(
constraint, {"constraint", "type", "inner"});
return std::make_unique<ParentFieldConstraint>(TypeConstraint::from_json(
JsonValidation::object(constraint, /* field */ "inner")));
} else {
throw JsonValidationError(
constraint,
/* field */ "constraint",
/* expected */ "valid field constraint type");
return nullptr;
}
}
} // namespace marianatrench