648 lines
20 KiB
Go
648 lines
20 KiB
Go
package database
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import (
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"fmt"
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"strings"
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"time"
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"strconv"
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"entgo.io/ent/dialect/sql"
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"github.com/crowdsecurity/crowdsec/pkg/database/ent"
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"github.com/crowdsecurity/crowdsec/pkg/database/ent/decision"
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"github.com/crowdsecurity/crowdsec/pkg/database/ent/predicate"
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"github.com/crowdsecurity/crowdsec/pkg/types"
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"github.com/pkg/errors"
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)
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type DecisionsByScenario struct {
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Scenario string
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Count int
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Origin string
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Type string
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}
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func BuildDecisionRequestWithFilter(query *ent.DecisionQuery, filter map[string][]string) (*ent.DecisionQuery, error) {
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var err error
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var start_ip, start_sfx, end_ip, end_sfx int64
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var ip_sz int
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var contains bool = true
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/*if contains is true, return bans that *contains* the given value (value is the inner)
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else, return bans that are *contained* by the given value (value is the outer)*/
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/*the simulated filter is a bit different : if it's not present *or* set to false, specifically exclude records with simulated to true */
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if v, ok := filter["simulated"]; ok {
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if v[0] == "false" {
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query = query.Where(decision.SimulatedEQ(false))
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}
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delete(filter, "simulated")
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} else {
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query = query.Where(decision.SimulatedEQ(false))
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}
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for param, value := range filter {
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switch param {
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case "contains":
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contains, err = strconv.ParseBool(value[0])
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if err != nil {
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return nil, errors.Wrapf(InvalidFilter, "invalid contains value : %s", err)
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}
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case "scopes":
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scopes := strings.Split(value[0], ",")
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for i, scope := range scopes {
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switch strings.ToLower(scope) {
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case "ip":
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scopes[i] = types.Ip
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case "range":
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scopes[i] = types.Range
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case "country":
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scopes[i] = types.Country
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case "as":
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scopes[i] = types.AS
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}
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}
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query = query.Where(decision.ScopeIn(scopes...))
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case "value":
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query = query.Where(decision.ValueEQ(value[0]))
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case "type":
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query = query.Where(decision.TypeEQ(value[0]))
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case "origins":
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query = query.Where(
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decision.OriginIn(strings.Split(value[0], ",")...),
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)
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case "scenarios_containing":
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predicates := decisionPredicatesFromStr(value[0], decision.ScenarioContainsFold)
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query = query.Where(decision.Or(predicates...))
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case "scenarios_not_containing":
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predicates := decisionPredicatesFromStr(value[0], decision.ScenarioContainsFold)
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query = query.Where(decision.Not(
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decision.Or(
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predicates...,
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),
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))
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case "ip", "range":
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ip_sz, start_ip, start_sfx, end_ip, end_sfx, err = types.Addr2Ints(value[0])
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if err != nil {
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return nil, errors.Wrapf(InvalidIPOrRange, "unable to convert '%s' to int: %s", value[0], err)
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}
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}
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}
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query, err = applyStartIpEndIpFilter(query, contains, ip_sz, start_ip, start_sfx, end_ip, end_sfx)
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if err != nil {
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return nil, errors.Wrapf(err, "fail to apply StartIpEndIpFilter")
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}
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return query, nil
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}
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func (c *Client) QueryAllDecisionsWithFilters(filters map[string][]string) ([]*ent.Decision, error) {
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query := c.Ent.Decision.Query().Where(
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decision.UntilGT(time.Now().UTC()),
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)
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//Allow a bouncer to ask for non-deduplicated results
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if v, ok := filters["dedup"]; !ok || v[0] != "false" {
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query = query.Where(longestDecisionForScopeTypeValue)
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}
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query, err := BuildDecisionRequestWithFilter(query, filters)
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if err != nil {
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c.Log.Warningf("QueryAllDecisionsWithFilters : %s", err)
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return []*ent.Decision{}, errors.Wrap(QueryFail, "get all decisions with filters")
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}
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data, err := query.All(c.CTX)
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if err != nil {
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c.Log.Warningf("QueryAllDecisionsWithFilters : %s", err)
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return []*ent.Decision{}, errors.Wrap(QueryFail, "get all decisions with filters")
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}
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return data, nil
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}
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func (c *Client) QueryExpiredDecisionsWithFilters(filters map[string][]string) ([]*ent.Decision, error) {
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query := c.Ent.Decision.Query().Where(
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decision.UntilLT(time.Now().UTC()),
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)
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//Allow a bouncer to ask for non-deduplicated results
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if v, ok := filters["dedup"]; !ok || v[0] != "false" {
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query = query.Where(longestDecisionForScopeTypeValue)
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}
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query, err := BuildDecisionRequestWithFilter(query, filters)
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if err != nil {
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c.Log.Warningf("QueryExpiredDecisionsWithFilters : %s", err)
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return []*ent.Decision{}, errors.Wrap(QueryFail, "get expired decisions with filters")
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}
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data, err := query.All(c.CTX)
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if err != nil {
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c.Log.Warningf("QueryExpiredDecisionsWithFilters : %s", err)
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return []*ent.Decision{}, errors.Wrap(QueryFail, "expired decisions")
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}
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return data, nil
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}
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func (c *Client) QueryDecisionCountByScenario(filters map[string][]string) ([]*DecisionsByScenario, error) {
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query := c.Ent.Decision.Query().Where(
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decision.UntilGT(time.Now().UTC()),
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)
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query, err := BuildDecisionRequestWithFilter(query, filters)
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if err != nil {
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c.Log.Warningf("QueryDecisionCountByScenario : %s", err)
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return nil, errors.Wrap(QueryFail, "count all decisions with filters")
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}
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var r []*DecisionsByScenario
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err = query.GroupBy(decision.FieldScenario, decision.FieldOrigin, decision.FieldType).Aggregate(ent.Count()).Scan(c.CTX, &r)
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if err != nil {
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c.Log.Warningf("QueryDecisionCountByScenario : %s", err)
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return nil, errors.Wrap(QueryFail, "count all decisions with filters")
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}
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return r, nil
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}
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func (c *Client) QueryDecisionWithFilter(filter map[string][]string) ([]*ent.Decision, error) {
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var data []*ent.Decision
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var err error
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decisions := c.Ent.Decision.Query().
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Where(decision.UntilGTE(time.Now().UTC()))
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decisions, err = BuildDecisionRequestWithFilter(decisions, filter)
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if err != nil {
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return []*ent.Decision{}, err
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}
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err = decisions.Select(
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decision.FieldID,
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decision.FieldUntil,
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decision.FieldScenario,
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decision.FieldType,
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decision.FieldStartIP,
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decision.FieldEndIP,
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decision.FieldValue,
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decision.FieldScope,
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decision.FieldOrigin,
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).Scan(c.CTX, &data)
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if err != nil {
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c.Log.Warningf("QueryDecisionWithFilter : %s", err)
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return []*ent.Decision{}, errors.Wrap(QueryFail, "query decision failed")
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}
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return data, nil
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}
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// ent translation of https://stackoverflow.com/a/28090544
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func longestDecisionForScopeTypeValue(s *sql.Selector) {
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t := sql.Table(decision.Table)
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s.LeftJoin(t).OnP(sql.And(
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sql.ColumnsEQ(
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t.C(decision.FieldValue),
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s.C(decision.FieldValue),
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),
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sql.ColumnsEQ(
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t.C(decision.FieldType),
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s.C(decision.FieldType),
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),
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sql.ColumnsEQ(
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t.C(decision.FieldScope),
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s.C(decision.FieldScope),
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),
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sql.ColumnsGT(
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t.C(decision.FieldUntil),
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s.C(decision.FieldUntil),
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),
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))
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s.Where(
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sql.IsNull(
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t.C(decision.FieldUntil),
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),
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)
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}
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func (c *Client) QueryExpiredDecisionsSinceWithFilters(since time.Time, filters map[string][]string) ([]*ent.Decision, error) {
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query := c.Ent.Decision.Query().Where(
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decision.UntilLT(time.Now().UTC()),
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decision.UntilGT(since),
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)
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//Allow a bouncer to ask for non-deduplicated results
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if v, ok := filters["dedup"]; !ok || v[0] != "false" {
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query = query.Where(longestDecisionForScopeTypeValue)
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}
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query, err := BuildDecisionRequestWithFilter(query, filters)
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if err != nil {
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c.Log.Warningf("QueryExpiredDecisionsSinceWithFilters : %s", err)
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return []*ent.Decision{}, errors.Wrap(QueryFail, "expired decisions with filters")
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}
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data, err := query.All(c.CTX)
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if err != nil {
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c.Log.Warningf("QueryExpiredDecisionsSinceWithFilters : %s", err)
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return []*ent.Decision{}, errors.Wrap(QueryFail, "expired decisions with filters")
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}
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return data, nil
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}
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func (c *Client) QueryNewDecisionsSinceWithFilters(since time.Time, filters map[string][]string) ([]*ent.Decision, error) {
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query := c.Ent.Decision.Query().Where(
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decision.CreatedAtGT(since),
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decision.UntilGT(time.Now().UTC()),
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)
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//Allow a bouncer to ask for non-deduplicated results
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if v, ok := filters["dedup"]; !ok || v[0] != "false" {
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query = query.Where(longestDecisionForScopeTypeValue)
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}
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query, err := BuildDecisionRequestWithFilter(query, filters)
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if err != nil {
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c.Log.Warningf("QueryNewDecisionsSinceWithFilters : %s", err)
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return []*ent.Decision{}, errors.Wrapf(QueryFail, "new decisions since '%s'", since.String())
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}
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data, err := query.All(c.CTX)
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if err != nil {
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c.Log.Warningf("QueryNewDecisionsSinceWithFilters : %s", err)
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return []*ent.Decision{}, errors.Wrapf(QueryFail, "new decisions since '%s'", since.String())
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}
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return data, nil
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}
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func (c *Client) DeleteDecisionById(decisionId int) error {
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err := c.Ent.Decision.DeleteOneID(decisionId).Exec(c.CTX)
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if err != nil {
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c.Log.Warningf("DeleteDecisionById : %s", err)
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return errors.Wrapf(DeleteFail, "decision with id '%d' doesn't exist", decisionId)
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}
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return nil
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}
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func (c *Client) DeleteDecisionsWithFilter(filter map[string][]string) (string, error) {
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var err error
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var start_ip, start_sfx, end_ip, end_sfx int64
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var ip_sz int
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var contains bool = true
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/*if contains is true, return bans that *contains* the given value (value is the inner)
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else, return bans that are *contained* by the given value (value is the outer) */
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decisions := c.Ent.Decision.Delete()
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for param, value := range filter {
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switch param {
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case "contains":
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contains, err = strconv.ParseBool(value[0])
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if err != nil {
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return "0", errors.Wrapf(InvalidFilter, "invalid contains value : %s", err)
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}
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case "scope":
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decisions = decisions.Where(decision.ScopeEQ(value[0]))
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case "value":
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decisions = decisions.Where(decision.ValueEQ(value[0]))
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case "type":
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decisions = decisions.Where(decision.TypeEQ(value[0]))
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case "ip", "range":
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ip_sz, start_ip, start_sfx, end_ip, end_sfx, err = types.Addr2Ints(value[0])
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if err != nil {
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return "0", errors.Wrapf(InvalidIPOrRange, "unable to convert '%s' to int: %s", value[0], err)
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}
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default:
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return "0", errors.Wrap(InvalidFilter, fmt.Sprintf("'%s' doesn't exist", param))
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}
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}
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if ip_sz == 4 {
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if contains { /*decision contains {start_ip,end_ip}*/
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decisions = decisions.Where(decision.And(
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decision.StartIPLTE(start_ip),
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decision.EndIPGTE(end_ip),
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decision.IPSizeEQ(int64(ip_sz)),
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))
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} else { /*decision is contained within {start_ip,end_ip}*/
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decisions = decisions.Where(decision.And(
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decision.StartIPGTE(start_ip),
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decision.EndIPLTE(end_ip),
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decision.IPSizeEQ(int64(ip_sz)),
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))
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}
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} else if ip_sz == 16 {
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if contains { /*decision contains {start_ip,end_ip}*/
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decisions = decisions.Where(decision.And(
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//matching addr size
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decision.IPSizeEQ(int64(ip_sz)),
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decision.Or(
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//decision.start_ip < query.start_ip
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decision.StartIPLT(start_ip),
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decision.And(
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//decision.start_ip == query.start_ip
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decision.StartIPEQ(start_ip),
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//decision.start_suffix <= query.start_suffix
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decision.StartSuffixLTE(start_sfx),
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)),
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decision.Or(
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//decision.end_ip > query.end_ip
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decision.EndIPGT(end_ip),
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decision.And(
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//decision.end_ip == query.end_ip
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decision.EndIPEQ(end_ip),
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//decision.end_suffix >= query.end_suffix
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decision.EndSuffixGTE(end_sfx),
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),
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),
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))
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} else {
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decisions = decisions.Where(decision.And(
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//matching addr size
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decision.IPSizeEQ(int64(ip_sz)),
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decision.Or(
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//decision.start_ip > query.start_ip
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decision.StartIPGT(start_ip),
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decision.And(
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//decision.start_ip == query.start_ip
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decision.StartIPEQ(start_ip),
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//decision.start_suffix >= query.start_suffix
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decision.StartSuffixGTE(start_sfx),
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)),
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decision.Or(
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//decision.end_ip < query.end_ip
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decision.EndIPLT(end_ip),
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decision.And(
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//decision.end_ip == query.end_ip
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decision.EndIPEQ(end_ip),
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//decision.end_suffix <= query.end_suffix
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decision.EndSuffixLTE(end_sfx),
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),
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),
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))
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}
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} else if ip_sz != 0 {
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return "0", errors.Wrapf(InvalidFilter, "Unknown ip size %d", ip_sz)
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}
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nbDeleted, err := decisions.Exec(c.CTX)
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if err != nil {
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c.Log.Warningf("DeleteDecisionsWithFilter : %s", err)
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return "0", errors.Wrap(DeleteFail, "decisions with provided filter")
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}
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return strconv.Itoa(nbDeleted), nil
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}
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// SoftDeleteDecisionsWithFilter updates the expiration time to now() for the decisions matching the filter
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func (c *Client) SoftDeleteDecisionsWithFilter(filter map[string][]string) (string, error) {
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var err error
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var start_ip, start_sfx, end_ip, end_sfx int64
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var ip_sz int
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var contains bool = true
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/*if contains is true, return bans that *contains* the given value (value is the inner)
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else, return bans that are *contained* by the given value (value is the outer)*/
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decisions := c.Ent.Decision.Update().Where(decision.UntilGT(time.Now().UTC()))
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for param, value := range filter {
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switch param {
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case "contains":
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contains, err = strconv.ParseBool(value[0])
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if err != nil {
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return "0", errors.Wrapf(InvalidFilter, "invalid contains value : %s", err)
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}
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case "scopes":
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decisions = decisions.Where(decision.ScopeEQ(value[0]))
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case "origin":
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decisions = decisions.Where(decision.OriginEQ(value[0]))
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case "value":
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decisions = decisions.Where(decision.ValueEQ(value[0]))
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case "type":
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decisions = decisions.Where(decision.TypeEQ(value[0]))
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case "ip", "range":
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ip_sz, start_ip, start_sfx, end_ip, end_sfx, err = types.Addr2Ints(value[0])
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if err != nil {
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return "0", errors.Wrapf(InvalidIPOrRange, "unable to convert '%s' to int: %s", value[0], err)
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}
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default:
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return "0", errors.Wrapf(InvalidFilter, "'%s' doesn't exist", param)
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}
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}
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if ip_sz == 4 {
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if contains {
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/*Decision contains {start_ip,end_ip}*/
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decisions = decisions.Where(decision.And(
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decision.StartIPLTE(start_ip),
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decision.EndIPGTE(end_ip),
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decision.IPSizeEQ(int64(ip_sz)),
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))
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} else {
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/*Decision is contained within {start_ip,end_ip}*/
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decisions = decisions.Where(decision.And(
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decision.StartIPGTE(start_ip),
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decision.EndIPLTE(end_ip),
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decision.IPSizeEQ(int64(ip_sz)),
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))
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}
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} else if ip_sz == 16 {
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/*decision contains {start_ip,end_ip}*/
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if contains {
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decisions = decisions.Where(decision.And(
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//matching addr size
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decision.IPSizeEQ(int64(ip_sz)),
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decision.Or(
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//decision.start_ip < query.start_ip
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decision.StartIPLT(start_ip),
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decision.And(
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//decision.start_ip == query.start_ip
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decision.StartIPEQ(start_ip),
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//decision.start_suffix <= query.start_suffix
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decision.StartSuffixLTE(start_sfx),
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)),
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decision.Or(
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//decision.end_ip > query.end_ip
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decision.EndIPGT(end_ip),
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decision.And(
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//decision.end_ip == query.end_ip
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decision.EndIPEQ(end_ip),
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//decision.end_suffix >= query.end_suffix
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decision.EndSuffixGTE(end_sfx),
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),
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),
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))
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} else {
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/*decision is contained within {start_ip,end_ip}*/
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decisions = decisions.Where(decision.And(
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//matching addr size
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decision.IPSizeEQ(int64(ip_sz)),
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decision.Or(
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//decision.start_ip > query.start_ip
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decision.StartIPGT(start_ip),
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decision.And(
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//decision.start_ip == query.start_ip
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decision.StartIPEQ(start_ip),
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//decision.start_suffix >= query.start_suffix
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decision.StartSuffixGTE(start_sfx),
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)),
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decision.Or(
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//decision.end_ip < query.end_ip
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decision.EndIPLT(end_ip),
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decision.And(
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//decision.end_ip == query.end_ip
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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().UTC()).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) (int, error) {
|
|
nbUpdated, err := c.Ent.Decision.Update().Where(decision.IDEQ(decisionID)).SetUntil(time.Now().UTC()).Save(c.CTX)
|
|
if err != nil || nbUpdated == 0 {
|
|
c.Log.Warningf("SoftDeleteDecisionByID : %v (nb soft deleted: %d)", err, nbUpdated)
|
|
return 0, errors.Wrapf(DeleteFail, "decision with id '%d' doesn't exist", decisionID)
|
|
}
|
|
|
|
if nbUpdated == 0 {
|
|
return 0, ItemNotFound
|
|
}
|
|
return nbUpdated, nil
|
|
}
|
|
|
|
func (c *Client) CountDecisionsByValue(decisionValue string) (int, error) {
|
|
var err error
|
|
var start_ip, start_sfx, end_ip, end_sfx int64
|
|
var ip_sz, count int
|
|
ip_sz, start_ip, start_sfx, end_ip, end_sfx, err = types.Addr2Ints(decisionValue)
|
|
|
|
if err != nil {
|
|
return 0, errors.Wrapf(InvalidIPOrRange, "unable to convert '%s' to int: %s", decisionValue, err)
|
|
}
|
|
|
|
contains := true
|
|
decisions := c.Ent.Decision.Query()
|
|
decisions, err = applyStartIpEndIpFilter(decisions, contains, ip_sz, start_ip, start_sfx, end_ip, end_sfx)
|
|
if err != nil {
|
|
return 0, errors.Wrapf(err, "fail to apply StartIpEndIpFilter")
|
|
}
|
|
|
|
count, err = decisions.Count(c.CTX)
|
|
if err != nil {
|
|
return 0, errors.Wrapf(err, "fail to count decisions")
|
|
}
|
|
|
|
return count, nil
|
|
}
|
|
|
|
func (c *Client) CountDecisionsSinceByValue(decisionValue string, since time.Time) (int, error) {
|
|
var err error
|
|
var start_ip, start_sfx, end_ip, end_sfx int64
|
|
var ip_sz, count int
|
|
ip_sz, start_ip, start_sfx, end_ip, end_sfx, err = types.Addr2Ints(decisionValue)
|
|
|
|
if err != nil {
|
|
return 0, errors.Wrapf(InvalidIPOrRange, "unable to convert '%s' to int: %s", decisionValue, err)
|
|
}
|
|
|
|
contains := true
|
|
decisions := c.Ent.Decision.Query().Where(
|
|
decision.CreatedAtGT(since),
|
|
)
|
|
decisions, err = applyStartIpEndIpFilter(decisions, contains, ip_sz, start_ip, start_sfx, end_ip, end_sfx)
|
|
if err != nil {
|
|
return 0, errors.Wrapf(err, "fail to apply StartIpEndIpFilter")
|
|
}
|
|
count, err = decisions.Count(c.CTX)
|
|
if err != nil {
|
|
return 0, errors.Wrapf(err, "fail to count decisions")
|
|
}
|
|
|
|
return count, nil
|
|
}
|
|
|
|
func applyStartIpEndIpFilter(decisions *ent.DecisionQuery, contains bool, ip_sz int, start_ip int64, start_sfx int64, end_ip int64, end_sfx int64) (*ent.DecisionQuery, error) {
|
|
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 nil, errors.Wrapf(InvalidFilter, "unknown ip size %d", ip_sz)
|
|
}
|
|
return decisions, nil
|
|
}
|
|
|
|
func decisionPredicatesFromStr(s string, predicateFunc func(string) predicate.Decision) []predicate.Decision {
|
|
words := strings.Split(s, ",")
|
|
predicates := make([]predicate.Decision, len(words))
|
|
for i, word := range words {
|
|
predicates[i] = predicateFunc(word)
|
|
}
|
|
return predicates
|
|
}
|