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
245
246
247
|
/**
* Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
* SPDX-License-Identifier: Apache-2.0.
*/
#include <aws/auth/signing_result.h>
#include <aws/common/byte_buf.h>
#include <aws/common/string.h>
#define INITIAL_SIGNING_RESULT_PROPERTIES_SIZE 10
#define INITIAL_SIGNING_RESULT_PROPERTY_LISTS_TABLE_SIZE 10
#define INITIAL_SIGNING_RESULT_PROPERTY_LIST_SIZE 10
static void s_aws_signing_result_property_clean_up(struct aws_signing_result_property *pair) {
aws_string_destroy(pair->name);
aws_string_destroy(pair->value);
}
static void s_aws_hash_callback_property_list_destroy(void *value) {
struct aws_array_list *property_list = value;
size_t property_count = aws_array_list_length(property_list);
for (size_t i = 0; i < property_count; ++i) {
struct aws_signing_result_property property;
AWS_ZERO_STRUCT(property);
if (aws_array_list_get_at(property_list, &property, i)) {
continue;
}
s_aws_signing_result_property_clean_up(&property);
}
struct aws_allocator *allocator = property_list->alloc;
aws_array_list_clean_up(property_list);
aws_mem_release(allocator, property_list);
}
int aws_signing_result_init(struct aws_signing_result *result, struct aws_allocator *allocator) {
AWS_ZERO_STRUCT(*result);
result->allocator = allocator;
if (aws_hash_table_init(
&result->properties,
allocator,
INITIAL_SIGNING_RESULT_PROPERTIES_SIZE,
aws_hash_string,
aws_hash_callback_string_eq,
aws_hash_callback_string_destroy,
aws_hash_callback_string_destroy) ||
aws_hash_table_init(
&result->property_lists,
allocator,
INITIAL_SIGNING_RESULT_PROPERTY_LISTS_TABLE_SIZE,
aws_hash_string,
aws_hash_callback_string_eq,
aws_hash_callback_string_destroy,
s_aws_hash_callback_property_list_destroy)) {
goto on_error;
}
return AWS_OP_SUCCESS;
on_error:
aws_signing_result_clean_up(result);
return AWS_OP_ERR;
}
void aws_signing_result_clean_up(struct aws_signing_result *result) {
aws_hash_table_clean_up(&result->properties);
aws_hash_table_clean_up(&result->property_lists);
}
int aws_signing_result_set_property(
struct aws_signing_result *result,
const struct aws_string *property_name,
const struct aws_byte_cursor *property_value) {
struct aws_string *name = NULL;
struct aws_string *value = NULL;
name = aws_string_new_from_string(result->allocator, property_name);
value = aws_string_new_from_array(result->allocator, property_value->ptr, property_value->len);
if (name == NULL || value == NULL) {
goto on_error;
}
if (aws_hash_table_put(&result->properties, name, value, NULL)) {
goto on_error;
}
return AWS_OP_SUCCESS;
on_error:
aws_string_destroy(name);
aws_string_destroy(value);
return AWS_OP_ERR;
}
int aws_signing_result_get_property(
const struct aws_signing_result *result,
const struct aws_string *property_name,
struct aws_string **out_property_value) {
struct aws_hash_element *element = NULL;
aws_hash_table_find(&result->properties, property_name, &element);
*out_property_value = NULL;
if (element != NULL) {
*out_property_value = element->value;
}
return AWS_OP_SUCCESS;
}
static struct aws_array_list *s_get_or_create_property_list(
struct aws_signing_result *result,
const struct aws_string *list_name) {
struct aws_hash_element *element = NULL;
aws_hash_table_find(&result->property_lists, list_name, &element);
if (element != NULL) {
return element->value;
}
struct aws_array_list *properties = aws_mem_acquire(result->allocator, sizeof(struct aws_array_list));
if (properties == NULL) {
return NULL;
}
AWS_ZERO_STRUCT(*properties);
struct aws_string *name_copy = aws_string_new_from_string(result->allocator, list_name);
if (name_copy == NULL) {
goto on_error;
}
if (aws_array_list_init_dynamic(
properties,
result->allocator,
INITIAL_SIGNING_RESULT_PROPERTY_LIST_SIZE,
sizeof(struct aws_signing_result_property))) {
goto on_error;
}
if (aws_hash_table_put(&result->property_lists, name_copy, properties, NULL)) {
goto on_error;
}
return properties;
on_error:
aws_string_destroy(name_copy);
aws_array_list_clean_up(properties);
aws_mem_release(result->allocator, properties);
return NULL;
}
int aws_signing_result_append_property_list(
struct aws_signing_result *result,
const struct aws_string *list_name,
const struct aws_byte_cursor *property_name,
const struct aws_byte_cursor *property_value) {
struct aws_array_list *properties = s_get_or_create_property_list(result, list_name);
if (properties == NULL) {
return AWS_OP_ERR;
}
struct aws_string *name = NULL;
struct aws_string *value = NULL;
name = aws_string_new_from_array(result->allocator, property_name->ptr, property_name->len);
value = aws_string_new_from_array(result->allocator, property_value->ptr, property_value->len);
struct aws_signing_result_property property;
property.name = name;
property.value = value;
if (aws_array_list_push_back(properties, &property)) {
goto on_error;
}
return AWS_OP_SUCCESS;
on_error:
aws_string_destroy(name);
aws_string_destroy(value);
return AWS_OP_ERR;
}
void aws_signing_result_get_property_list(
const struct aws_signing_result *result,
const struct aws_string *list_name,
struct aws_array_list **out_list) {
*out_list = NULL;
struct aws_hash_element *element = NULL;
aws_hash_table_find(&result->property_lists, list_name, &element);
if (element != NULL) {
*out_list = element->value;
}
}
void aws_signing_result_get_property_value_in_property_list(
const struct aws_signing_result *result,
const struct aws_string *list_name,
const struct aws_string *property_name,
struct aws_string **out_value) {
*out_value = NULL;
struct aws_array_list *property_list = NULL;
aws_signing_result_get_property_list(result, list_name, &property_list);
if (property_list == NULL) {
return;
}
size_t pair_count = aws_array_list_length(property_list);
for (size_t i = 0; i < pair_count; ++i) {
struct aws_signing_result_property pair;
AWS_ZERO_STRUCT(pair);
if (aws_array_list_get_at(property_list, &pair, i)) {
continue;
}
if (pair.name == NULL) {
continue;
}
if (aws_string_eq_ignore_case(property_name, pair.name)) {
*out_value = pair.value;
break;
}
}
}
|
