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Commit 07b6a492 authored by Markin Igor's avatar Markin Igor
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Add iframe generation code.

parent aded1e82
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1 merge request!4Use webpack for bundling JS libs and move Golang code related to Iframe generation there
This commit is part of merge request !4. Comments created here will be created in the context of that merge request.
.idea .idea
*.iml *.iml
bin/ bin/
Gopkg.lock
...@@ -24,6 +24,9 @@ ...@@ -24,6 +24,9 @@
# go-tests = true # go-tests = true
# unused-packages = true # unused-packages = true
[[constraint]]
branch = "feature-transpile-js-libs"
name = "code.vereign.com/code/restful-api"
[prune] [prune]
go-tests = true go-tests = true
......
package jslibs package jslibs
import ( import (
"bytes"
"fmt" "fmt"
"io/ioutil" "io/ioutil"
"path/filepath" "path/filepath"
"reflect"
"sort"
"strings" "strings"
"unicode"
"unicode/utf8"
"code.vereign.com/code/restful-api/types"
) )
func GetClientJsLibrary(iframeUrl string) string { func GetClientJsLibrary(iframeUrl string) string {
...@@ -22,3 +29,770 @@ func GetClientJsLibrary(iframeUrl string) string { ...@@ -22,3 +29,770 @@ func GetClientJsLibrary(iframeUrl string) string {
return strings.Replace(string(dat), "{{urlArg}}", iframeUrl, 1) + "\n" return strings.Replace(string(dat), "{{urlArg}}", iframeUrl, 1) + "\n"
} }
func GetIframeJsLibrary(host string,
endPoints map[string]*types.EndPoint) string {
result := "<script>\n\n"
var keys []string
for k := range endPoints {
keys = append(keys, k)
}
sort.Strings(keys)
keysLen := len(keys)
dat, err := ioutil.ReadFile("../vcl/javascript/dist/viamapi-iframe.js")
if err != nil {
fmt.Println(err.Error())
}
methods := generatePenpalRemoteMethods(host, endPoints)
methods += getWopiAPIPenpalMethods()
viamApi := strings.Replace(string(dat), "placeholderForExternalMethods:1", methods, 1)
if err != nil {
fmt.Println(err.Error())
}
result += viamApi + "\n\n"
result += getWopiAPI(host)
result += "\n\nfunction ViamAPI() {\n" +
" this.config = {\n" +
" headers: {\n" +
" 'publicKey': '',\n" +
" 'uuid': '',\n" +
" 'token': ''\n" +
" }\n" +
" }\n" +
"}\n\n"
result += "ViamAPI.prototype.setSessionData = function(uuid, token) {\n" +
" this.config.headers.uuid = \" \" + uuid;\n" +
" this.config.headers.token = \" \" + token;\n" +
"}\n\n"
result += "ViamAPI.prototype.setIdentity = function(authenticationPublicKey) {\n" +
" this.config.headers.publicKey = \" \" + window.btoa(authenticationPublicKey);\n" +
"}\n\n"
result += "ViamAPI.prototype.getConfig = function() {\n" +
" return this.config;\n" +
"}\n\n"
for i := 0; i < keysLen; i++ {
url := keys[i]
if endPoints[url].Form != nil {
splits := strings.Split(url, "/")
packageStr := splits[len(splits)-2]
/*if !packageCreated[packageStr] {
result += "ViamAPI.prototype.\"" + packageStr + "\" = {}\n\n"
packageCreated[packageStr] = true
}*/
methodStr := splits[len(splits)-1]
form := endPoints[url].Form
s := reflect.ValueOf(form)
typeOfT := s.Type()
fields := typeFields(typeOfT)
lenFields := len(fields)
args := ""
for i := 0; i < lenFields; i++ {
if i != lenFields-1 {
args += fmt.Sprintf("%sArg,", fields[i].name)
} else {
args += fmt.Sprintf("%sArg", fields[i].name)
}
}
result += "ViamAPI.prototype." + packageStr + strings.Title(methodStr) + " = function(" + args + ") {\n" +
" return axios.post('" + host + packageStr + "/" + methodStr + "', {\n"
for i := 0; i < lenFields; i++ {
result += " " + fields[i].name + ": " + fields[i].name + "Arg"
if i != lenFields-1 {
result += ","
}
result += "\n"
}
result += " }, this.config);\n" +
"}\n\n"
} else {
splits := strings.Split(url, "/")
packageStr := splits[len(splits)-2]
/*if !packageCreated[packageStr] {
result += "api[\"" + packageStr + "\"] = {}\n"
packageCreated[packageStr] = true
}*/
methodStr := splits[len(splits)-1]
result += "ViamAPI.prototype." + packageStr + strings.Title(methodStr) + " = function() {\n" +
" return axios.post('" + host + "/" + packageStr + "/" + methodStr + "', {}, this.config);\n" +
"}\n\n"
}
}
result += "\n\n</script>"
return result
}
const (
caseMask = ^byte(0x20) // Mask to ignore case in ASCII.
kelvin = '\u212a'
smallLongEss = '\u017f'
)
// equalFoldRight is a specialization of bytes.EqualFold when s is
// known to be all ASCII (including punctuation), but contains an 's',
// 'S', 'k', or 'K', requiring a Unicode fold on the bytes in t.
// See comments on foldFunc.
func equalFoldRight(s, t []byte) bool {
for _, sb := range s {
if len(t) == 0 {
return false
}
tb := t[0]
if tb < utf8.RuneSelf {
if sb != tb {
sbUpper := sb & caseMask
if 'A' <= sbUpper && sbUpper <= 'Z' {
if sbUpper != tb&caseMask {
return false
}
} else {
return false
}
}
t = t[1:]
continue
}
// sb is ASCII and t is not. t must be either kelvin
// sign or long s; sb must be s, S, k, or K.
tr, size := utf8.DecodeRune(t)
switch sb {
case 's', 'S':
if tr != smallLongEss {
return false
}
case 'k', 'K':
if tr != kelvin {
return false
}
default:
return false
}
t = t[size:]
}
if len(t) > 0 {
return false
}
return true
}
// asciiEqualFold is a specialization of bytes.EqualFold for use when
// s is all ASCII (but may contain non-letters) and contains no
// special-folding letters.
// See comments on foldFunc.
func asciiEqualFold(s, t []byte) bool {
if len(s) != len(t) {
return false
}
for i, sb := range s {
tb := t[i]
if sb == tb {
continue
}
if ('a' <= sb && sb <= 'z') || ('A' <= sb && sb <= 'Z') {
if sb&caseMask != tb&caseMask {
return false
}
} else {
return false
}
}
return true
}
// simpleLetterEqualFold is a specialization of bytes.EqualFold for
// use when s is all ASCII letters (no underscores, etc) and also
// doesn't contain 'k', 'K', 's', or 'S'.
// See comments on foldFunc.
func simpleLetterEqualFold(s, t []byte) bool {
if len(s) != len(t) {
return false
}
for i, b := range s {
if b&caseMask != t[i]&caseMask {
return false
}
}
return true
}
func foldFunc(s []byte) func(s, t []byte) bool {
nonLetter := false
special := false // special letter
for _, b := range s {
if b >= utf8.RuneSelf {
return bytes.EqualFold
}
upper := b & caseMask
if upper < 'A' || upper > 'Z' {
nonLetter = true
} else if upper == 'K' || upper == 'S' {
// See above for why these letters are special.
special = true
}
}
if special {
return equalFoldRight
}
if nonLetter {
return asciiEqualFold
}
return simpleLetterEqualFold
}
// A field represents a single field found in a struct.
type field struct {
name string
nameBytes []byte // []byte(name)
equalFold func(s, t []byte) bool // bytes.EqualFold or equivalent
tag bool
index []int
typ reflect.Type
omitEmpty bool
quoted bool
}
func fillField(f field) field {
f.nameBytes = []byte(f.name)
f.equalFold = foldFunc(f.nameBytes)
return f
}
// byIndex sorts field by index sequence.
type byIndex []field
func (x byIndex) Len() int { return len(x) }
func (x byIndex) Swap(i, j int) { x[i], x[j] = x[j], x[i] }
func (x byIndex) Less(i, j int) bool {
for k, xik := range x[i].index {
if k >= len(x[j].index) {
return false
}
if xik != x[j].index[k] {
return xik < x[j].index[k]
}
}
return len(x[i].index) < len(x[j].index)
}
func isValidTag(s string) bool {
if s == "" {
return false
}
for _, c := range s {
switch {
case strings.ContainsRune("!#$%&()*+-./:<=>?@[]^_{|}~ ", c):
// Backslash and quote chars are reserved, but
// otherwise any punctuation chars are allowed
// in a tag name.
default:
if !unicode.IsLetter(c) && !unicode.IsDigit(c) {
return false
}
}
}
return true
}
// tagOptions is the string following a comma in a struct field's "json"
// tag, or the empty string. It does not include the leading comma.
type tagOptions string
// Contains reports whether a comma-separated list of options
// contains a particular substr flag. substr must be surrounded by a
// string boundary or commas.
func (o tagOptions) Contains(optionName string) bool {
if len(o) == 0 {
return false
}
s := string(o)
for s != "" {
var next string
i := strings.Index(s, ",")
if i >= 0 {
s, next = s[:i], s[i+1:]
}
if s == optionName {
return true
}
s = next
}
return false
}
// parseTag splits a struct field's json tag into its name and
// comma-separated options.
func parseTag(tag string) (string, tagOptions) {
if idx := strings.Index(tag, ","); idx != -1 {
return tag[:idx], tagOptions(tag[idx+1:])
}
return tag, tagOptions("")
}
// typeFields returns a list of fields that JSON should recognize for the given type.
// The algorithm is breadth-first search over the set of structs to include - the top struct
// and then any reachable anonymous structs.
func typeFields(t reflect.Type) []field {
// Anonymous fields to explore at the current level and the next.
current := []field{}
next := []field{{typ: t}}
// Count of queued names for current level and the next.
count := map[reflect.Type]int{}
nextCount := map[reflect.Type]int{}
// Types already visited at an earlier level.
visited := map[reflect.Type]bool{}
// Fields found.
var fields []field
for len(next) > 0 {
current, next = next, current[:0]
count, nextCount = nextCount, map[reflect.Type]int{}
for _, f := range current {
if visited[f.typ] {
continue
}
visited[f.typ] = true
// Scan f.typ for fields to include.
for i := 0; i < f.typ.NumField(); i++ {
sf := f.typ.Field(i)
isUnexported := sf.PkgPath != ""
if sf.Anonymous {
t := sf.Type
if t.Kind() == reflect.Ptr {
t = t.Elem()
}
if isUnexported && t.Kind() != reflect.Struct {
// Ignore embedded fields of unexported non-struct types.
continue
}
// Do not ignore embedded fields of unexported struct types
// since they may have exported fields.
} else if isUnexported {
// Ignore unexported non-embedded fields.
continue
}
tag := sf.Tag.Get("json")
if tag == "-" {
continue
}
name, opts := parseTag(tag)
if !isValidTag(name) {
name = ""
}
index := make([]int, len(f.index)+1)
copy(index, f.index)
index[len(f.index)] = i
ft := sf.Type
if ft.Name() == "" && ft.Kind() == reflect.Ptr {
// Follow pointer.
ft = ft.Elem()
}
// Only strings, floats, integers, and booleans can be quoted.
quoted := false
if opts.Contains("string") {
switch ft.Kind() {
case reflect.Bool,
reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64,
reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr,
reflect.Float32, reflect.Float64,
reflect.String:
quoted = true
}
}
// Record found field and index sequence.
if name != "" || !sf.Anonymous || ft.Kind() != reflect.Struct {
tagged := name != ""
if name == "" {
name = sf.Name
}
fields = append(fields, fillField(field{
name: name,
tag: tagged,
index: index,
typ: ft,
omitEmpty: opts.Contains("omitempty"),
quoted: quoted,
}))
if count[f.typ] > 1 {
// If there were multiple instances, add a second,
// so that the annihilation code will see a duplicate.
// It only cares about the distinction between 1 or 2,
// so don't bother generating any more copies.
fields = append(fields, fields[len(fields)-1])
}
continue
}
// Record new anonymous struct to explore in next round.
nextCount[ft]++
if nextCount[ft] == 1 {
next = append(next, fillField(field{name: ft.Name(), index: index, typ: ft}))
}
}
}
}
sort.Slice(fields, func(i, j int) bool {
x := fields
// sort field by name, breaking ties with depth, then
// breaking ties with "name came from json tag", then
// breaking ties with index sequence.
if x[i].name != x[j].name {
return x[i].name < x[j].name
}
if len(x[i].index) != len(x[j].index) {
return len(x[i].index) < len(x[j].index)
}
if x[i].tag != x[j].tag {
return x[i].tag
}
return byIndex(x).Less(i, j)
})
// Delete all fields that are hidden by the Go rules for embedded fields,
// except that fields with JSON tags are promoted.
// The fields are sorted in primary order of name, secondary order
// of field index length. Loop over names; for each name, delete
// hidden fields by choosing the one dominant field that survives.
out := fields[:0]
for advance, i := 0, 0; i < len(fields); i += advance {
// One iteration per name.
// Find the sequence of fields with the name of this first field.
fi := fields[i]
name := fi.name
for advance = 1; i+advance < len(fields); advance++ {
fj := fields[i+advance]
if fj.name != name {
break
}
}
if advance == 1 { // Only one field with this name
out = append(out, fi)
continue
}
dominant, ok := dominantField(fields[i : i+advance])
if ok {
out = append(out, dominant)
}
}
fields = out
sort.Sort(byIndex(fields))
return fields
}
// dominantField looks through the fields, all of which are known to
// have the same name, to find the single field that dominates the
// others using Go's embedding rules, modified by the presence of
// JSON tags. If there are multiple top-level fields, the boolean
// will be false: This condition is an error in Go and we skip all
// the fields.
func dominantField(fields []field) (field, bool) {
// The fields are sorted in increasing index-length order. The winner
// must therefore be one with the shortest index length. Drop all
// longer entries, which is easy: just truncate the slice.
length := len(fields[0].index)
tagged := -1 // Index of first tagged field.
for i, f := range fields {
if len(f.index) > length {
fields = fields[:i]
break
}
if f.tag {
if tagged >= 0 {
// Multiple tagged fields at the same level: conflict.
// Return no field.
return field{}, false
}
tagged = i
}
}
if tagged >= 0 {
return fields[tagged], true
}
// All remaining fields have the same length. If there's more than one,
// we have a conflict (two fields named "X" at the same level) and we
// return no field.
if len(fields) > 1 {
return field{}, false
}
return fields[0], true
}
func generatePenpalRemoteMethods(host string,
endPoints map[string]*types.EndPoint) string {
var keys []string
for k := range endPoints {
keys = append(keys, k)
}
sort.Strings(keys)
keysLen := len(keys)
methods := ""
privateCheckSnippet := `
authenticationPublicKey = localStorage.getItem("authenticatedIdentity")
if (authenticationPublicKey === null) {
result({
"data" : "",
"code" : "400",
"status" : "Identity not authenticated"
});
}
if (loadedIdentities[authenticationPublicKey] === null) {
result({
"data" : "",
"code" : "400",
"status" : "Identity not authenticated"
});
}
success = extendPinCodeTtl(authenticationPublicKey)
if(success == false) {
result({"data" : "",
"code" : "400",
"status" : "Identity not authenticated"
})
}
`
for i := 0; i < keysLen; i++ {
url := keys[i]
if endPoints[url].ManuallyWritten == true {
continue
}
if url == "/identity/getIdentityProfileData" {
privateCheckSnippet = `
authenticationPublicKey = localStorage.getItem("authenticatedIdentity")
if (authenticationPublicKey === null) {
result({
"data" : "",
"code" : "400",
"status" : "Identity not authenticated"
});
}
if (loadedIdentities[authenticationPublicKey] === null) {
result({
"data" : "",
"code" : "400",
"status" : "Identity not authenticated"
});
}
`
}
if endPoints[url].Form != nil {
splits := strings.Split(url, "/")
packageStr := splits[len(splits)-2]
/*if !packageCreated[packageStr] {
result += "ViamAPI.prototype.\"" + packageStr + "\" = {}\n\n"
packageCreated[packageStr] = true
}*/
methodStr := splits[len(splits)-1]
form := endPoints[url].Form
s := reflect.ValueOf(form)
typeOfT := s.Type()
fields := typeFields(typeOfT)
lenFields := len(fields)
args := ""
for i := 0; i < lenFields; i++ {
if i != lenFields-1 {
args += fmt.Sprintf("%sArg,", fields[i].name)
} else {
args += fmt.Sprintf("%sArg", fields[i].name)
}
}
/*identity_login(modeArg,codeArg,actionIDArg) {
return new Penpal.Promise(result => {
viamApi.identity_login(modeArg,codeArg,actionIDArg).then((response) => { result(response.data);});
});
}*/
snippet := ""
if endPoints[url].HandlerType == "private" {
snippet = privateCheckSnippet
}
lastComma := ","
if args == "" {
lastComma = ""
}
method := packageStr + strings.Title(methodStr) + ": function(" + args + ") {\n" +
" return new Penpal.Promise(function(result) {\n" + snippet +
" executeRestfulFunction(\"" + endPoints[url].HandlerType + "\", viamApi, viamApi." + packageStr + strings.Title(methodStr) + lastComma + args + ").then(function(executeResult) {\n" +
" result(executeResult);\n" +
" });\n" +
" });\n" +
"}"
methods += method
if i != keysLen-1 {
methods += ","
}
methods += "\n"
} else {
splits := strings.Split(url, "/")
packageStr := splits[len(splits)-2]
/*if !packageCreated[packageStr] {
result += "ViamAPI.prototype.\"" + packageStr + "\" = {}\n\n"
packageCreated[packageStr] = true
}*/
methodStr := splits[len(splits)-1]
snippet := ""
if endPoints[url].HandlerType == "private" {
snippet = privateCheckSnippet
}
method := packageStr + strings.Title(methodStr) + ": function() {\n" +
" return new Penpal.Promise(function(result) {\n" + snippet +
" executeRestfulFunction(\"" + endPoints[url].HandlerType + "\", viamApi, viamApi." + packageStr + strings.Title(methodStr) + ").then(function(executeResult) {\n" +
" result(executedResult);\n" +
" });\n" +
" });\n" +
"}"
methods += method
if i != keysLen-1 {
methods += ","
}
methods += "\n"
}
}
return methods
}
func getWopiAPIPenpalMethods() string {
return `getPassports: function(fileID) {
return new Penpal.Promise(function(result) {
authenticationPublicKey = localStorage.getItem("authenticatedIdentity")
if (authenticationPublicKey === null) {
result({
"data" : "",
"code" : "400",
"status" : "Identity not authenticated"
});
}
if (loadedIdentities[authenticationPublicKey] === null) {
result({
"data" : "",
"code" : "400",
"status" : "Identity not authenticated"
});
}
success = extendPinCodeTtl(authenticationPublicKey)
if(success == false) {
result({"data" : "",
"code" : "400",
"status" : "Identity not authenticated"
})
}
wopiAPI.getPassports(
authenticationPublicKey,
viamApi.getConfig().headers.uuid,
viamApi.getConfig().headers.token,
fileID
).then(function(response) {
result(response.data);
});
});
}`
}
func getWopiAPI(url string) string {
dat, err := ioutil.ReadFile("../vcl/javascript/dist/wopiapi-iframe.js")
if err != nil {
fmt.Println(err.Error())
}
urlParts := strings.Split(url, ":")
wopiAPI := strings.Replace(string(dat), "{{host}}", urlParts[0]+":"+urlParts[1], -1)
wopiAPI = strings.Replace(wopiAPI, "{{port}}", "8787", -1)
wopiAPI += "\n\n"
return wopiAPI
}
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