forked from hashicorp/terraform-provider-aws
/
resource_aws_waf_xss_match_set.go
214 lines (180 loc) · 5.82 KB
/
resource_aws_waf_xss_match_set.go
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package aws
import (
"fmt"
"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 resourceAwsWafXssMatchSet() *schema.Resource {
return &schema.Resource{
Create: resourceAwsWafXssMatchSetCreate,
Read: resourceAwsWafXssMatchSetRead,
Update: resourceAwsWafXssMatchSetUpdate,
Delete: resourceAwsWafXssMatchSetDelete,
Schema: map[string]*schema.Schema{
"name": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"xss_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 resourceAwsWafXssMatchSetCreate(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).wafconn
log.Printf("[INFO] Creating XssMatchSet: %s", d.Get("name").(string))
wr := newWafRetryer(conn, "global")
out, err := wr.RetryWithToken(func(token *string) (interface{}, error) {
params := &waf.CreateXssMatchSetInput{
ChangeToken: token,
Name: aws.String(d.Get("name").(string)),
}
return conn.CreateXssMatchSet(params)
})
if err != nil {
return errwrap.Wrapf("[ERROR] Error creating XssMatchSet: {{err}}", err)
}
resp := out.(*waf.CreateXssMatchSetOutput)
d.SetId(*resp.XssMatchSet.XssMatchSetId)
return resourceAwsWafXssMatchSetUpdate(d, meta)
}
func resourceAwsWafXssMatchSetRead(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).wafconn
log.Printf("[INFO] Reading XssMatchSet: %s", d.Get("name").(string))
params := &waf.GetXssMatchSetInput{
XssMatchSetId: aws.String(d.Id()),
}
resp, err := conn.GetXssMatchSet(params)
if err != nil {
if awsErr, ok := err.(awserr.Error); ok && awsErr.Code() == "WAFNonexistentItemException" {
log.Printf("[WARN] WAF IPSet (%s) not found, removing from state", d.Id())
d.SetId("")
return nil
}
return err
}
d.Set("name", resp.XssMatchSet.Name)
d.Set("xss_match_tuples", flattenWafXssMatchTuples(resp.XssMatchSet.XssMatchTuples))
return nil
}
func resourceAwsWafXssMatchSetUpdate(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).wafconn
if d.HasChange("xss_match_tuples") {
o, n := d.GetChange("xss_match_tuples")
oldT, newT := o.(*schema.Set).List(), n.(*schema.Set).List()
err := updateXssMatchSetResource(d.Id(), oldT, newT, conn)
if err != nil {
return errwrap.Wrapf("[ERROR] Error updating XssMatchSet: {{err}}", err)
}
}
return resourceAwsWafXssMatchSetRead(d, meta)
}
func resourceAwsWafXssMatchSetDelete(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).wafconn
oldTuples := d.Get("xss_match_tuples").(*schema.Set).List()
if len(oldTuples) > 0 {
noTuples := []interface{}{}
err := updateXssMatchSetResource(d.Id(), oldTuples, noTuples, conn)
if err != nil {
return fmt.Errorf("Error updating IPSetDescriptors: %s", err)
}
}
wr := newWafRetryer(conn, "global")
_, err := wr.RetryWithToken(func(token *string) (interface{}, error) {
req := &waf.DeleteXssMatchSetInput{
ChangeToken: token,
XssMatchSetId: aws.String(d.Id()),
}
return conn.DeleteXssMatchSet(req)
})
if err != nil {
return errwrap.Wrapf("[ERROR] Error deleting XssMatchSet: {{err}}", err)
}
return nil
}
func updateXssMatchSetResource(id string, oldT, newT []interface{}, conn *waf.WAF) error {
wr := newWafRetryer(conn, "global")
_, err := wr.RetryWithToken(func(token *string) (interface{}, error) {
req := &waf.UpdateXssMatchSetInput{
ChangeToken: token,
XssMatchSetId: aws.String(id),
Updates: diffWafXssMatchSetTuples(oldT, newT),
}
log.Printf("[INFO] Updating XssMatchSet tuples: %s", req)
return conn.UpdateXssMatchSet(req)
})
if err != nil {
return errwrap.Wrapf("[ERROR] Error updating XssMatchSet: {{err}}", err)
}
return nil
}
func flattenWafXssMatchTuples(ts []*waf.XssMatchTuple) []interface{} {
out := make([]interface{}, len(ts), len(ts))
for i, t := range ts {
m := make(map[string]interface{})
m["field_to_match"] = flattenFieldToMatch(t.FieldToMatch)
m["text_transformation"] = *t.TextTransformation
out[i] = m
}
return out
}
func diffWafXssMatchSetTuples(oldT, newT []interface{}) []*waf.XssMatchSetUpdate {
updates := make([]*waf.XssMatchSetUpdate, 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.XssMatchSetUpdate{
Action: aws.String(waf.ChangeActionDelete),
XssMatchTuple: &waf.XssMatchTuple{
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.XssMatchSetUpdate{
Action: aws.String(waf.ChangeActionInsert),
XssMatchTuple: &waf.XssMatchTuple{
FieldToMatch: expandFieldToMatch(tuple["field_to_match"].(*schema.Set).List()[0].(map[string]interface{})),
TextTransformation: aws.String(tuple["text_transformation"].(string)),
},
})
}
return updates
}