-
Notifications
You must be signed in to change notification settings - Fork 419
/
decisions.go
477 lines (446 loc) · 15 KB
/
decisions.go
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
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
package database
import (
"fmt"
"strings"
"time"
"strconv"
"github.com/crowdsecurity/crowdsec/pkg/database/ent"
"github.com/crowdsecurity/crowdsec/pkg/database/ent/decision"
"github.com/crowdsecurity/crowdsec/pkg/types"
"github.com/pkg/errors"
)
func BuildDecisionRequestWithFilter(query *ent.DecisionQuery, filter map[string][]string) (*ent.DecisionQuery, error) {
//func BuildDecisionRequestWithFilter(query *ent.Query, filter map[string][]string) (*ent.DecisionQuery, error) {
var err error
var start_ip, start_sfx, end_ip, end_sfx int64
var ip_sz int
var contains bool = true
/*if contains is true, return bans that *contains* the given value (value is the inner)
else, return bans that are *contained* by the given value (value is the outer)*/
/*the simulated filter is a bit different : if it's not present *or* set to false, specifically exclude records with simulated to true */
if v, ok := filter["simulated"]; ok {
if v[0] == "false" {
query = query.Where(decision.SimulatedEQ(false))
}
delete(filter, "simulated")
} else {
query = query.Where(decision.SimulatedEQ(false))
}
for param, value := range filter {
switch param {
case "contains":
contains, err = strconv.ParseBool(value[0])
if err != nil {
return nil, errors.Wrapf(InvalidFilter, "invalid contains value : %s", err)
}
case "scope":
for i, scope := range value {
switch strings.ToLower(scope) {
case "ip":
value[i] = types.Ip
case "range":
value[i] = types.Range
case "country":
value[i] = types.Country
case "as":
value[i] = types.AS
}
}
query = query.Where(decision.ScopeIn(value...))
case "value":
query = query.Where(decision.ValueEQ(value[0]))
case "type":
query = query.Where(decision.TypeEQ(value[0]))
case "ip", "range":
ip_sz, start_ip, start_sfx, end_ip, end_sfx, err = types.Addr2Ints(value[0])
if err != nil {
return nil, errors.Wrapf(InvalidIPOrRange, "unable to convert '%s' to int: %s", value[0], err)
}
default:
return query, errors.Wrapf(InvalidFilter, "'%s' doesn't exist", param)
}
}
if ip_sz == 4 {
if contains { /*decision contains {start_ip,end_ip}*/
query = query.Where(decision.And(
decision.StartIPLTE(start_ip),
decision.EndIPGTE(end_ip),
decision.IPSizeEQ(int64(ip_sz)),
))
} else { /*decision is contained within {start_ip,end_ip}*/
query = query.Where(decision.And(
decision.StartIPGTE(start_ip),
decision.EndIPLTE(end_ip),
decision.IPSizeEQ(int64(ip_sz)),
))
}
} else if ip_sz == 16 {
if contains { /*decision contains {start_ip,end_ip}*/
query = query.Where(decision.And(
//matching addr size
decision.IPSizeEQ(int64(ip_sz)),
decision.Or(
//decision.start_ip < query.start_ip
decision.StartIPLT(start_ip),
decision.And(
//decision.start_ip == query.start_ip
decision.StartIPEQ(start_ip),
//decision.start_suffix <= query.start_suffix
decision.StartSuffixLTE(start_sfx),
)),
decision.Or(
//decision.end_ip > query.end_ip
decision.EndIPGT(end_ip),
decision.And(
//decision.end_ip == query.end_ip
decision.EndIPEQ(end_ip),
//decision.end_suffix >= query.end_suffix
decision.EndSuffixGTE(end_sfx),
),
),
))
} else { /*decision is contained {start_ip,end_ip}*/
query = query.Where(decision.And(
//matching addr size
decision.IPSizeEQ(int64(ip_sz)),
decision.Or(
//decision.start_ip > query.start_ip
decision.StartIPGT(start_ip),
decision.And(
//decision.start_ip == query.start_ip
decision.StartIPEQ(start_ip),
//decision.start_suffix >= query.start_suffix
decision.StartSuffixGTE(start_sfx),
)),
decision.Or(
//decision.end_ip < query.end_ip
decision.EndIPLT(end_ip),
decision.And(
//decision.end_ip == query.end_ip
decision.EndIPEQ(end_ip),
//decision.end_suffix <= query.end_suffix
decision.EndSuffixLTE(end_sfx),
),
),
))
}
} else if ip_sz != 0 {
return nil, errors.Wrapf(InvalidFilter, "Unknown ip size %d", ip_sz)
}
return query, nil
}
func (c *Client) QueryDecisionWithFilter(filter map[string][]string) ([]*ent.Decision, error) {
var data []*ent.Decision
var err error
decisions := c.Ent.Decision.Query().
Where(decision.UntilGTE(time.Now()))
decisions, err = BuildDecisionRequestWithFilter(decisions, filter)
if err != nil {
return []*ent.Decision{}, err
}
err = decisions.Select(
decision.FieldID,
decision.FieldUntil,
decision.FieldScenario,
decision.FieldType,
decision.FieldStartIP,
decision.FieldEndIP,
decision.FieldValue,
decision.FieldScope,
decision.FieldOrigin,
).Scan(c.CTX, &data)
if err != nil {
c.Log.Warningf("QueryDecisionWithFilter : %s", err)
return []*ent.Decision{}, errors.Wrap(QueryFail, "query decision failed")
}
return data, nil
}
func (c *Client) QueryAllDecisionsWithFilters(filters map[string][]string) ([]*ent.Decision, error) {
query := c.Ent.Decision.Query().Where(decision.UntilGT(time.Now()))
query, err := BuildDecisionRequestWithFilter(query, filters)
if err != nil {
c.Log.Warningf("QueryAllDecisionsWithFilters : %s", err)
return []*ent.Decision{}, errors.Wrap(QueryFail, "get all decisions with filters")
}
data, err := query.All(c.CTX)
if err != nil {
c.Log.Warningf("QueryAllDecisionsWithFilters : %s", err)
return []*ent.Decision{}, errors.Wrap(QueryFail, "get all decisions with filters")
}
return data, nil
}
func (c *Client) QueryExpiredDecisionsWithFilters(filters map[string][]string) ([]*ent.Decision, error) {
query := c.Ent.Decision.Query().Where(decision.UntilLT(time.Now()))
query, err := BuildDecisionRequestWithFilter(query, filters)
if err != nil {
c.Log.Warningf("QueryExpiredDecisionsWithFilters : %s", err)
return []*ent.Decision{}, errors.Wrap(QueryFail, "get expired decisions with filters")
}
data, err := query.All(c.CTX)
if err != nil {
c.Log.Warningf("QueryExpiredDecisionsWithFilters : %s", err)
return []*ent.Decision{}, errors.Wrap(QueryFail, "expired decisions")
}
return data, nil
}
func (c *Client) QueryExpiredDecisionsSinceWithFilters(since time.Time, filters map[string][]string) ([]*ent.Decision, error) {
query := c.Ent.Decision.Query().Where(decision.UntilLT(time.Now())).Where(decision.UntilGT(since))
query, err := BuildDecisionRequestWithFilter(query, filters)
if err != nil {
c.Log.Warningf("QueryExpiredDecisionsSinceWithFilters : %s", err)
return []*ent.Decision{}, errors.Wrap(QueryFail, "expired decisions with filters")
}
data, err := query.All(c.CTX)
if err != nil {
c.Log.Warningf("QueryExpiredDecisionsSinceWithFilters : %s", err)
return []*ent.Decision{}, errors.Wrap(QueryFail, "expired decisions with filters")
}
return data, nil
}
func (c *Client) QueryNewDecisionsSinceWithFilters(since time.Time, filters map[string][]string) ([]*ent.Decision, error) {
query := c.Ent.Decision.Query().Where(decision.CreatedAtGT(since))
query, err := BuildDecisionRequestWithFilter(query, filters)
if err != nil {
c.Log.Warningf("QueryNewDecisionsSinceWithFilters : %s", err)
return []*ent.Decision{}, errors.Wrapf(QueryFail, "new decisions since '%s'", since.String())
}
data, err := query.All(c.CTX)
if err != nil {
c.Log.Warningf("QueryNewDecisionsSinceWithFilters : %s", err)
return []*ent.Decision{}, errors.Wrapf(QueryFail, "new decisions since '%s'", since.String())
}
return data, nil
}
func (c *Client) DeleteDecisionById(decisionId int) error {
err := c.Ent.Decision.DeleteOneID(decisionId).Exec(c.CTX)
if err != nil {
c.Log.Warningf("DeleteDecisionById : %s", err)
return errors.Wrapf(DeleteFail, "decision with id '%d' doesn't exist", decisionId)
}
return nil
}
func (c *Client) DeleteDecisionsWithFilter(filter map[string][]string) (string, error) {
var err error
var start_ip, start_sfx, end_ip, end_sfx int64
var ip_sz int
var contains bool = true
/*if contains is true, return bans that *contains* the given value (value is the inner)
else, return bans that are *contained* by the given value (value is the outer) */
decisions := c.Ent.Decision.Delete()
for param, value := range filter {
switch param {
case "contains":
contains, err = strconv.ParseBool(value[0])
if err != nil {
return "0", errors.Wrapf(InvalidFilter, "invalid contains value : %s", err)
}
case "scope":
decisions = decisions.Where(decision.ScopeEQ(value[0]))
case "value":
decisions = decisions.Where(decision.ValueEQ(value[0]))
case "type":
decisions = decisions.Where(decision.TypeEQ(value[0]))
case "ip", "range":
ip_sz, start_ip, start_sfx, end_ip, end_sfx, err = types.Addr2Ints(value[0])
if err != nil {
return "0", errors.Wrapf(InvalidIPOrRange, "unable to convert '%s' to int: %s", value[0], err)
}
default:
return "0", errors.Wrap(InvalidFilter, fmt.Sprintf("'%s' doesn't exist", param))
}
}
if ip_sz == 4 {
if contains { /*decision contains {start_ip,end_ip}*/
decisions = decisions.Where(decision.And(
decision.StartIPLTE(start_ip),
decision.EndIPGTE(end_ip),
decision.IPSizeEQ(int64(ip_sz)),
))
} else { /*decision is contained within {start_ip,end_ip}*/
decisions = decisions.Where(decision.And(
decision.StartIPGTE(start_ip),
decision.EndIPLTE(end_ip),
decision.IPSizeEQ(int64(ip_sz)),
))
}
} else if ip_sz == 16 {
if contains { /*decision contains {start_ip,end_ip}*/
decisions = decisions.Where(decision.And(
//matching addr size
decision.IPSizeEQ(int64(ip_sz)),
decision.Or(
//decision.start_ip < query.start_ip
decision.StartIPLT(start_ip),
decision.And(
//decision.start_ip == query.start_ip
decision.StartIPEQ(start_ip),
//decision.start_suffix <= query.start_suffix
decision.StartSuffixLTE(start_sfx),
)),
decision.Or(
//decision.end_ip > query.end_ip
decision.EndIPGT(end_ip),
decision.And(
//decision.end_ip == query.end_ip
decision.EndIPEQ(end_ip),
//decision.end_suffix >= query.end_suffix
decision.EndSuffixGTE(end_sfx),
),
),
))
} else {
decisions = decisions.Where(decision.And(
//matching addr size
decision.IPSizeEQ(int64(ip_sz)),
decision.Or(
//decision.start_ip > query.start_ip
decision.StartIPGT(start_ip),
decision.And(
//decision.start_ip == query.start_ip
decision.StartIPEQ(start_ip),
//decision.start_suffix >= query.start_suffix
decision.StartSuffixGTE(start_sfx),
)),
decision.Or(
//decision.end_ip < query.end_ip
decision.EndIPLT(end_ip),
decision.And(
//decision.end_ip == query.end_ip
decision.EndIPEQ(end_ip),
//decision.end_suffix <= query.end_suffix
decision.EndSuffixLTE(end_sfx),
),
),
))
}
} else if ip_sz != 0 {
return "0", errors.Wrapf(InvalidFilter, "Unknown ip size %d", ip_sz)
}
nbDeleted, err := decisions.Exec(c.CTX)
if err != nil {
c.Log.Warningf("DeleteDecisionsWithFilter : %s", err)
return "0", errors.Wrap(DeleteFail, "decisions with provided filter")
}
return strconv.Itoa(nbDeleted), nil
}
// SoftDeleteDecisionsWithFilter udpate the expiration time to now() for the decisions matching the filter
func (c *Client) SoftDeleteDecisionsWithFilter(filter map[string][]string) (string, error) {
var err error
var start_ip, start_sfx, end_ip, end_sfx int64
var ip_sz int
var contains bool = true
/*if contains is true, return bans that *contains* the given value (value is the inner)
else, return bans that are *contained* by the given value (value is the outer)*/
decisions := c.Ent.Decision.Update().Where(decision.UntilGT(time.Now()))
for param, value := range filter {
switch param {
case "contains":
contains, err = strconv.ParseBool(value[0])
if err != nil {
return "0", errors.Wrapf(InvalidFilter, "invalid contains value : %s", err)
}
case "scope":
decisions = decisions.Where(decision.ScopeEQ(value[0]))
case "value":
decisions = decisions.Where(decision.ValueEQ(value[0]))
case "type":
decisions = decisions.Where(decision.TypeEQ(value[0]))
case "ip", "range":
ip_sz, start_ip, start_sfx, end_ip, end_sfx, err = types.Addr2Ints(value[0])
if err != nil {
return "0", errors.Wrapf(InvalidIPOrRange, "unable to convert '%s' to int: %s", value[0], err)
}
default:
return "0", errors.Wrapf(InvalidFilter, "'%s' doesn't exist", param)
}
}
if ip_sz == 4 {
if contains {
/*Decision contains {start_ip,end_ip}*/
decisions = decisions.Where(decision.And(
decision.StartIPLTE(start_ip),
decision.EndIPGTE(end_ip),
decision.IPSizeEQ(int64(ip_sz)),
))
} else {
/*Decision is contained within {start_ip,end_ip}*/
decisions = decisions.Where(decision.And(
decision.StartIPGTE(start_ip),
decision.EndIPLTE(end_ip),
decision.IPSizeEQ(int64(ip_sz)),
))
}
} else if ip_sz == 16 {
/*decision contains {start_ip,end_ip}*/
if contains {
decisions = decisions.Where(decision.And(
//matching addr size
decision.IPSizeEQ(int64(ip_sz)),
decision.Or(
//decision.start_ip < query.start_ip
decision.StartIPLT(start_ip),
decision.And(
//decision.start_ip == query.start_ip
decision.StartIPEQ(start_ip),
//decision.start_suffix <= query.start_suffix
decision.StartSuffixLTE(start_sfx),
)),
decision.Or(
//decision.end_ip > query.end_ip
decision.EndIPGT(end_ip),
decision.And(
//decision.end_ip == query.end_ip
decision.EndIPEQ(end_ip),
//decision.end_suffix >= query.end_suffix
decision.EndSuffixGTE(end_sfx),
),
),
))
} else {
/*decision is contained within {start_ip,end_ip}*/
decisions = decisions.Where(decision.And(
//matching addr size
decision.IPSizeEQ(int64(ip_sz)),
decision.Or(
//decision.start_ip > query.start_ip
decision.StartIPGT(start_ip),
decision.And(
//decision.start_ip == query.start_ip
decision.StartIPEQ(start_ip),
//decision.start_suffix >= query.start_suffix
decision.StartSuffixGTE(start_sfx),
)),
decision.Or(
//decision.end_ip < query.end_ip
decision.EndIPLT(end_ip),
decision.And(
//decision.end_ip == query.end_ip
decision.EndIPEQ(end_ip),
//decision.end_suffix <= query.end_suffix
decision.EndSuffixLTE(end_sfx),
),
),
))
}
} else if ip_sz != 0 {
return "0", errors.Wrapf(InvalidFilter, "Unknown ip size %d", ip_sz)
}
nbDeleted, err := decisions.SetUntil(time.Now()).Save(c.CTX)
if err != nil {
c.Log.Warningf("SoftDeleteDecisionsWithFilter : %s", err)
return "0", errors.Wrap(DeleteFail, "soft delete decisions with provided filter")
}
return strconv.Itoa(nbDeleted), nil
}
//SoftDeleteDecisionByID set the expiration of a decision to now()
func (c *Client) SoftDeleteDecisionByID(decisionID int) error {
nbUpdated, err := c.Ent.Decision.Update().Where(decision.IDEQ(decisionID)).SetUntil(time.Now()).Save(c.CTX)
if err != nil || nbUpdated == 0 {
c.Log.Warningf("SoftDeleteDecisionByID : %v (nb soft deleted: %d)", err, nbUpdated)
return errors.Wrapf(DeleteFail, "decision with id '%d' doesn't exist", decisionID)
}
if nbUpdated == 0 {
return ItemNotFound
}
return nil
}