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/
std_headers.go
152 lines (119 loc) · 6.58 KB
/
std_headers.go
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package lti
import (
"github.com/goalbook/goalbook-auth/auth/lti/types"
"bytes"
"io"
"io/ioutil"
"encoding/json"
"github.com/goalbook/goalbook-auth/auth/lti/Godeps/_workspace/src/github.com/google/go-querystring/query"
"github.com/goalbook/goalbook-auth/auth/lti/Godeps/_workspace/src/github.com/gorilla/schema"
"net/url"
)
const (
ContextID = "context_id"
ContextLabel = "context_label"
ContextTitle = "context_title"
ContextType = "context_type"
LaunchPresHeight = "launch_presentation_height"
LaunchPresLocale = "launch_presentation_locale"
LaunchPresTarget = "launch_presentation_document_target"
LaunchPresReturnURL = "launch_presentation_return_url"
LaunchPresWidth = "launch_presentation_width"
LISCourseOfferingSID = "lis_course_offering_sourcedid"
LISCourseSectionSID = "lis_course_section_sourcedid"
LISPersonFamilyName = "lis_person_name_family"
LISPersonFullName = "lis_person_name_full"
LISPersonGivenName = "lis_person_name_given"
LISPersonPrimaryEmail = "lis_person_contact_email_primary"
LISPersonSID = "lis_person_sourcedid"
LISResultSID = "lis_result_souredid"
LTIMessageType = "lti_message_type"
LTIVersion = "lti_version"
OAuthCallback = "oauth_callback"
OAuthConsumerKey = "oauth_consumer_key"
OAuthNonce = "oauth_nonce"
OAuthSignature = "oauth_signature"
OAuthSignatureMethod = "oauth_signature_method"
OAuthTimestamp = "oauth_timestamp"
OAuthVersion = "oauth_version"
ResourceLinkID = "resource_link_id"
ResourceLinkTitle = "resource_link_title"
ResourceLinkDesc = "resource_link_description"
Roles = "roles"
ToolConsumerInstGUID = "tool_consumer_instance_guid"
ToolConsumerInstName = "tool_consumer_instance_name"
ToolConsumerInstDesc = "tool_consumer_instance_description"
ToolConsumerInstURL = "tool_consumer_instance_url"
ToolConsumerInstContactEmail = "tool_consumer_instance_contact_email"
UserId = "user_id"
UserImage = "user_image"
)
type LTIStdHeaders struct {
ContextID string `json:"context_id" url:"context_id,omitempty"`
ContextLabel string `json:"context_label" url:"context_label,omitempty"`
ContextTitle string `json:"context_title" url:"context_title,omitempty"`
ContextType *types.LTIContextType `json:"context_type" url:"context_type,omitempty"`
LaunchPresHeight string `json:"launch_presentation_height" url:"launch_presentation_height,omitempty"`
LaunchPresLocale string `json:"launch_presentation_locale" url:"launch_presentation_locale,omitempty"`
LaunchPresTarget string `json:"launch_presentation_document_target" url:"launch_presentation_document_target,omitempty"`
LaunchPresReturnURL string `json:"launch_presentation_return_url" url:"launch_presentation_return_url,omitempty"`
LaunchPresWidth string `json:"launch_presentation_width" url:"launch_presentation_width,omitempty"`
LISCourseOfferingSID string `json:"lis_course_offering_sourcedid" url:"lis_course_offering_sourcedid,omitempty"`
LISCourseSectionSID string `json:"lis_course_section_sourcedid" url:"lis_course_section_sourcedid,omitempty"`
LISPersonFamilyName string `json:"lis_person_name_family" url:"lis_person_name_family,omitempty"`
LISPersonFullName string `json:"lis_person_name_full" url:"lis_person_name_full,omitempty"`
LISPersonGivenName string `json:"lis_person_name_given" url:",omitempty"`
LISPersonPrimaryEmail string `json:"lis_person_contact_email_primary" url:"lis_person_contact_email_primary,omitempty"`
LISPersonSID string `json:"lis_person_sourcedid" url:"lis_person_sourcedid,omitempty"`
LISResultSID string `json:"lis_result_souredid" url:"lis_result_souredid,omitempty"`
LTIMessageType types.LTIMessage `json:"lti_message_type" url:"lti_message_type,omitempty"`
LTIVersion types.LTIVersion `json:"lti_version" url:"lti_version,omitempty"`
OAuthCallback string `json:"oauth_callback" url:"oauth_callback,omitempty"`
OAuthConsumerKey string `json:"oauth_consumer_key" url:"oauth_consumer_key,omitempty"`
OAuthNonce string `json:"oauth_nonce" url:"oauth_nonce,omitempty"`
OAuthSignature string `json:"oauth_signature" url:"oauth_signature,omitempty"`
OAuthSignatureMethod string `json:"oauth_signature_method" url:"oauth_signature_method,omitempty"`
OAuthTimestamp int `json:"oauth_timestamp" url:"oauth_timestamp,omitempty"`
OAuthVersion string `json:"oauth_version" url:"oauth_version,omitempty"`
ResourceLinkID string `json:"resource_link_id" url:"resource_link_id,omitempty"`
ResourceLinkTitle string `json:"resource_link_title" url:"resource_link_title,omitempty"`
ResourceLinkDesc string `json:"resource_link_description" url:"resource_link_description,omitempty"`
Roles *types.LTIRoles `json:"roles" url:"roles,omitempty"`
ToolConsumerInstGUID string `json:"tool_consumer_instance_guid" url:"tool_consumer_instance_guid,omitempty"`
ToolConsumerInstName string `json:"tool_consumer_instance_name" url:"tool_consumer_instance_name,omitempty"`
ToolConsumerInstDesc string `json:"tool_consumer_instance_description" url:"tool_consumer_instance_description,omitempty"`
ToolConsumerInstURL string `json:"tool_consumer_instance_url" url:"tool_consumer_instance_url,omitempty"`
ToolConsumerInstContactEmail string `json:"tool_consumer_instance_contact_email" url:"tool_consumer_instance_contact_email,omitempty"`
UserId string `json:"user_id" schema:"user_id" url:"user_id,omitempty"`
UserImage string `json:"user_image" schema:"user_image" url:"user_image,omitempty"`
}
// Expert from http://www.gorillatoolkit.org/pkg/Schema
// Note: it is a good idea to set a Decoder instance as a package global, because it caches meta-data about structs, and a instance can be shared safely
var formDecoder *schema.Decoder
func init() {
formDecoder = schema.NewDecoder()
formDecoder.SetAliasTag("url")
formDecoder.IgnoreUnknownKeys(true)
}
func parseJsonBody(body io.Reader) (*LTIStdHeaders, error) {
l := <IStdHeaders{}
err := json.NewDecoder(body).Decode(l)
return l, err
}
func parseUrlEncodedForm(m map[string][]string) (*LTIStdHeaders, error) {
l := <IStdHeaders{}
err := formDecoder.Decode(l, m)
return l, err
}
// **Not implemented**
func ParseXMLEncodedFile(filename string) (*LTIStdHeaders, error) { return nil, nil }
func serializeJsonBody(l LTIStdHeaders) (io.ReadCloser, error) {
b, err := json.Marshal(l)
if err != nil {
return nil, err
}
return ioutil.NopCloser(bytes.NewReader(b)), nil
}
func serializeUrlEncodedForm(l LTIStdHeaders) (url.Values, error) {
return query.Values(l)
}