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resource_aws_waf_sql_injection_match_set.go
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resource_aws_waf_sql_injection_match_set.go
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package aws
import (
"log"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/service/waf"
"github.com/hashicorp/errwrap"
"github.com/hashicorp/terraform/helper/schema"
)
func resourceAwsWafSqlInjectionMatchSet() *schema.Resource {
return &schema.Resource{
Create: resourceAwsWafSqlInjectionMatchSetCreate,
Read: resourceAwsWafSqlInjectionMatchSetRead,
Update: resourceAwsWafSqlInjectionMatchSetUpdate,
Delete: resourceAwsWafSqlInjectionMatchSetDelete,
Schema: map[string]*schema.Schema{
"name": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"sql_injection_match_tuples": &schema.Schema{
Type: schema.TypeSet,
Optional: true,
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"field_to_match": {
Type: schema.TypeSet,
Required: true,
MaxItems: 1,
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"data": {
Type: schema.TypeString,
Optional: true,
},
"type": {
Type: schema.TypeString,
Required: true,
},
},
},
},
"text_transformation": &schema.Schema{
Type: schema.TypeString,
Required: true,
},
},
},
},
},
}
}
func resourceAwsWafSqlInjectionMatchSetCreate(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).wafconn
log.Printf("[INFO] Creating SqlInjectionMatchSet: %s", d.Get("name").(string))
wr := newWafRetryer(conn, "global")
out, err := wr.RetryWithToken(func(token *string) (interface{}, error) {
params := &waf.CreateSqlInjectionMatchSetInput{
ChangeToken: token,
Name: aws.String(d.Get("name").(string)),
}
return conn.CreateSqlInjectionMatchSet(params)
})
if err != nil {
return errwrap.Wrapf("[ERROR] Error creating SqlInjectionMatchSet: {{err}}", err)
}
resp := out.(*waf.CreateSqlInjectionMatchSetOutput)
d.SetId(*resp.SqlInjectionMatchSet.SqlInjectionMatchSetId)
return resourceAwsWafSqlInjectionMatchSetUpdate(d, meta)
}
func resourceAwsWafSqlInjectionMatchSetRead(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).wafconn
log.Printf("[INFO] Reading SqlInjectionMatchSet: %s", d.Get("name").(string))
params := &waf.GetSqlInjectionMatchSetInput{
SqlInjectionMatchSetId: aws.String(d.Id()),
}
resp, err := conn.GetSqlInjectionMatchSet(params)
if err != nil {
if awsErr, ok := err.(awserr.Error); ok && awsErr.Code() == "WAFNonexistentItemException" {
log.Printf("[WARN] WAF IPSet (%s) not found, error code (404)", d.Id())
d.SetId("")
return nil
}
return err
}
d.Set("name", resp.SqlInjectionMatchSet.Name)
d.Set("sql_injection_match_tuples", resp.SqlInjectionMatchSet.SqlInjectionMatchTuples)
return nil
}
func resourceAwsWafSqlInjectionMatchSetUpdate(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).wafconn
if d.HasChange("sql_injection_match_tuples") {
o, n := d.GetChange("sql_injection_match_tuples")
oldT, newT := o.(*schema.Set).List(), n.(*schema.Set).List()
err := updateSqlInjectionMatchSetResource(d.Id(), oldT, newT, conn)
if err != nil {
return errwrap.Wrapf("[ERROR] Error updating SqlInjectionMatchSet: {{err}}", err)
}
}
return resourceAwsWafSqlInjectionMatchSetRead(d, meta)
}
func resourceAwsWafSqlInjectionMatchSetDelete(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).wafconn
oldTuples := d.Get("sql_injection_match_tuples").(*schema.Set).List()
if len(oldTuples) > 0 {
noTuples := []interface{}{}
err := updateSqlInjectionMatchSetResource(d.Id(), oldTuples, noTuples, conn)
if err != nil {
return errwrap.Wrapf("[ERROR] Error deleting SqlInjectionMatchSet: {{err}}", err)
}
}
wr := newWafRetryer(conn, "global")
_, err := wr.RetryWithToken(func(token *string) (interface{}, error) {
req := &waf.DeleteSqlInjectionMatchSetInput{
ChangeToken: token,
SqlInjectionMatchSetId: aws.String(d.Id()),
}
return conn.DeleteSqlInjectionMatchSet(req)
})
if err != nil {
return errwrap.Wrapf("[ERROR] Error deleting SqlInjectionMatchSet: {{err}}", err)
}
return nil
}
func updateSqlInjectionMatchSetResource(id string, oldT, newT []interface{}, conn *waf.WAF) error {
wr := newWafRetryer(conn, "global")
_, err := wr.RetryWithToken(func(token *string) (interface{}, error) {
req := &waf.UpdateSqlInjectionMatchSetInput{
ChangeToken: token,
SqlInjectionMatchSetId: aws.String(id),
Updates: diffWafSqlInjectionMatchTuples(oldT, newT),
}
log.Printf("[INFO] Updating SqlInjectionMatchSet: %s", req)
return conn.UpdateSqlInjectionMatchSet(req)
})
if err != nil {
return errwrap.Wrapf("[ERROR] Error updating SqlInjectionMatchSet: {{err}}", err)
}
return nil
}
func flattenWafSqlInjectionMatchTuples(ts []*waf.SqlInjectionMatchTuple) []interface{} {
out := make([]interface{}, len(ts), len(ts))
for i, t := range ts {
m := make(map[string]interface{})
m["text_transformation"] = *t.TextTransformation
m["field_to_match"] = flattenFieldToMatch(t.FieldToMatch)
out[i] = m
}
return out
}
func diffWafSqlInjectionMatchTuples(oldT, newT []interface{}) []*waf.SqlInjectionMatchSetUpdate {
updates := make([]*waf.SqlInjectionMatchSetUpdate, 0)
for _, od := range oldT {
tuple := od.(map[string]interface{})
if idx, contains := sliceContainsMap(newT, tuple); contains {
newT = append(newT[:idx], newT[idx+1:]...)
continue
}
updates = append(updates, &waf.SqlInjectionMatchSetUpdate{
Action: aws.String(waf.ChangeActionDelete),
SqlInjectionMatchTuple: &waf.SqlInjectionMatchTuple{
FieldToMatch: expandFieldToMatch(tuple["field_to_match"].(*schema.Set).List()[0].(map[string]interface{})),
TextTransformation: aws.String(tuple["text_transformation"].(string)),
},
})
}
for _, nd := range newT {
tuple := nd.(map[string]interface{})
updates = append(updates, &waf.SqlInjectionMatchSetUpdate{
Action: aws.String(waf.ChangeActionInsert),
SqlInjectionMatchTuple: &waf.SqlInjectionMatchTuple{
FieldToMatch: expandFieldToMatch(tuple["field_to_match"].(*schema.Set).List()[0].(map[string]interface{})),
TextTransformation: aws.String(tuple["text_transformation"].(string)),
},
})
}
return updates
}