// fromHTTP panics with an httputil value on failure
func (r *WithAttrRequest) fromHTTP(req *http.Request) {
r.Signer = httputil.MustGetBlobRef(req, "signer")
r.Value = req.FormValue("value")
fuzzy := req.FormValue("fuzzy") // exact match if empty
fuzzyMatch := false
if fuzzy != "" {
lowered := strings.ToLower(fuzzy)
if lowered == "true" || lowered == "t" {
fuzzyMatch = true
}
}
r.Attr = req.FormValue("attr") // all attributes if empty
if r.Attr == "" { // and force fuzzy in that case.
fuzzyMatch = true
}
r.Fuzzy = fuzzyMatch
r.ThumbnailSize = thumbnailSize(req)
max := req.FormValue("max")
if max != "" {
maxR, err := strconv.Atoi(max)
if err != nil {
panic(httputil.InvalidParameterError("max"))
}
r.N = maxR
}
r.N = r.n()
}
func (sh *Handler) serveSignerAttrValue(rw http.ResponseWriter, req *http.Request) {
defer httputil.RecoverJSON(rw, req)
signer := httputil.MustGetBlobRef(req, "signer")
attr := httputil.MustGet(req, "attr")
value := httputil.MustGet(req, "value")
pn, err := sh.index.PermanodeOfSignerAttrValue(signer, attr, value)
if err != nil {
httputil.ServeJSONError(rw, err)
return
}
dr := sh.NewDescribeRequest()
dr.Describe(pn, 2)
metaMap, err := dr.metaMap()
if err != nil {
httputil.ServeJSONError(rw, err)
return
}
httputil.ReturnJSON(rw, &SignerAttrValueResponse{
Permanode: pn,
Meta: metaMap,
})
}
func (sh *Handler) serveDescribe(rw http.ResponseWriter, req *http.Request) {
defer httputil.RecoverJSON(rw, req)
br := httputil.MustGetBlobRef(req, "blobref")
dr := sh.NewDescribeRequest()
dr.Describe(br, 4)
metaMap, err := dr.metaMapThumbs(thumbnailSize(req))
if err != nil {
httputil.ServeJSONError(rw, err)
return
}
httputil.ReturnJSON(rw, &DescribeResponse{metaMap})
}
// fromHTTP panics with an httputil value on failure
func (r *DescribeRequest) fromHTTP(req *http.Request) {
req.ParseForm()
if vv := req.Form["blobref"]; len(vv) > 1 {
for _, brs := range vv {
if br, ok := blob.Parse(brs); ok {
r.BlobRefs = append(r.BlobRefs, br)
} else {
panic(httputil.InvalidParameterError("blobref"))
}
}
} else {
r.BlobRef = httputil.MustGetBlobRef(req, "blobref")
}
r.Depth = httputil.OptionalInt(req, "depth")
}
func (r *DescribeRequest) fromHTTPGet(req *http.Request) {
req.ParseForm()
if vv := req.Form["blobref"]; len(vv) > 1 {
for _, brs := range vv {
if br, ok := blob.Parse(brs); ok {
r.BlobRefs = append(r.BlobRefs, br)
} else {
panic(httputil.InvalidParameterError("blobref"))
}
}
} else {
r.BlobRef = httputil.MustGetBlobRef(req, "blobref")
}
r.Depth = httputil.OptionalInt(req, "depth")
r.MaxDirChildren = httputil.OptionalInt(req, "maxdirchildren")
r.At = types.ParseTime3339OrZero(req.FormValue("at"))
}
// fromHTTP panics with an httputil value on failure
func (r *EdgesRequest) fromHTTP(req *http.Request) {
r.ToRef = httputil.MustGetBlobRef(req, "blobref")
}
// fromHTTP panics with an httputil value on failure
func (r *SignerPathsRequest) fromHTTP(req *http.Request) {
r.Signer = httputil.MustGetBlobRef(req, "signer")
r.Target = httputil.MustGetBlobRef(req, "target")
}
// fromHTTP panics with an httputil value on failure
func (r *ClaimsRequest) fromHTTP(req *http.Request) {
r.Permanode = httputil.MustGetBlobRef(req, "permanode")
r.AttrFilter = req.FormValue("attrFilter")
}
// fromHTTP panics with an httputil value on failure
func (r *ClaimsRequest) fromHTTP(req *http.Request) {
r.Permanode = httputil.MustGetBlobRef(req, "permanode")
}
// Unlike the index interface's EdgesTo method, the "edgesto" Handler
// here additionally filters out since-deleted permanode edges.
func (sh *Handler) serveEdgesTo(rw http.ResponseWriter, req *http.Request) {
defer httputil.RecoverJSON(rw, req)
ret := jsonMap()
toRef := httputil.MustGetBlobRef(req, "blobref")
toRefStr := toRef.String()
blobInfo := jsonMap()
ret[toRefStr] = blobInfo
jsonEdges := jsonMapList()
edges, err := sh.index.EdgesTo(toRef, nil)
if err != nil {
panic(err)
}
type mapOrError struct {
m map[string]interface{} // nil if no map
err error
}
resc := make(chan mapOrError)
verify := func(edge *Edge) {
fromStr := edge.From.String()
db, err := sh.NewDescribeRequest().DescribeSync(edge.From)
if err != nil {
resc <- mapOrError{err: err}
return
}
found := false
if db.Permanode != nil {
for attr, vv := range db.Permanode.Attr {
if IsBlobReferenceAttribute(attr) {
for _, v := range vv {
if v == toRefStr {
found = true
}
}
}
}
}
var em map[string]interface{}
if found {
em = jsonMap()
em["from"] = fromStr
em["fromType"] = "permanode"
}
resc <- mapOrError{m: em}
}
verifying := 0
for _, edge := range edges {
if edge.FromType == "permanode" {
verifying++
go verify(edge)
continue
}
em := jsonMap()
em["from"] = edge.From.String()
em["fromType"] = edge.FromType
jsonEdges = append(jsonEdges, em)
}
for i := 0; i < verifying; i++ {
res := <-resc
if res.err != nil {
panic(res.err) // caught and put in JSON response
}
if res.m != nil {
jsonEdges = append(jsonEdges, res.m)
}
}
blobInfo["edgesTo"] = jsonEdges
httputil.ReturnJSON(rw, ret)
}
