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policies_index.go
100 lines (86 loc) · 2.49 KB
/
policies_index.go
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package handlers
import (
"net/http"
"net/url"
"policy-server/api"
"policy-server/uaa_client"
"strings"
"policy-server/store"
)
//go:generate counterfeiter -o fakes/policy_filter.go --fake-name PolicyFilter . policyFilter
type policyFilter interface {
FilterPolicies(policies []store.Policy, userToken uaa_client.CheckTokenResponse) ([]store.Policy, error)
}
type PoliciesIndex struct {
Store dataStore
Mapper api.PolicyMapper
PolicyFilter policyFilter
ErrorResponse errorResponse
}
func NewPoliciesIndex(store dataStore, mapper api.PolicyMapper, policyFilter policyFilter,
errorResponse errorResponse) *PoliciesIndex {
return &PoliciesIndex{
Store: store,
Mapper: mapper,
PolicyFilter: policyFilter,
ErrorResponse: errorResponse,
}
}
func (h *PoliciesIndex) ServeHTTP(w http.ResponseWriter, req *http.Request) {
logger := getLogger(req)
logger = logger.Session("index-policies")
userToken := getTokenData(req)
queryValues := req.URL.Query()
ids := parseIds(queryValues)
sourceIDs := parseSourceIds(queryValues)
destIDs := parseDestIds(queryValues)
var storePolicies []store.Policy
var err error
if len(ids) > 0 {
storePolicies, err = h.Store.ByGuids(ids, ids, false)
} else if len(sourceIDs) > 0 && len(destIDs) > 0 {
storePolicies, err = h.Store.ByGuids(sourceIDs, destIDs, true)
} else if len(sourceIDs) > 0 {
storePolicies, err = h.Store.ByGuids(sourceIDs, []string{}, false)
} else if len(destIDs) > 0 {
storePolicies, err = h.Store.ByGuids([]string{}, destIDs, false)
} else {
storePolicies, err = h.Store.All()
}
if err != nil {
h.ErrorResponse.InternalServerError(logger, w, err, "database read failed")
return
}
policies, err := h.PolicyFilter.FilterPolicies(storePolicies, userToken)
if err != nil {
h.ErrorResponse.InternalServerError(logger, w, err, "filter policies failed")
return
}
for i, _ := range policies {
policies[i].Source.Tag = ""
policies[i].Destination.Tag = ""
}
bytes, err := h.Mapper.AsBytes(policies)
if err != nil {
h.ErrorResponse.InternalServerError(logger, w, err, "map policy as bytes failed")
return
}
w.WriteHeader(http.StatusOK)
w.Write(bytes)
}
func parseSourceIds(queryValues url.Values) []string {
var ids []string
idList, ok := queryValues["source_id"]
if ok {
ids = strings.Split(idList[0], ",")
}
return ids
}
func parseDestIds(queryValues url.Values) []string {
var ids []string
idList, ok := queryValues["dest_id"]
if ok {
ids = strings.Split(idList[0], ",")
}
return ids
}