mirror of
https://codeberg.org/flpolyaplus/aplus.git
synced 2024-11-24 18:30:29 -05:00
Moved functional code to funcs.go
This commit is contained in:
Juan Roig
parent
410a8c7f18
commit
4af67b0363
128
funcs.go
Normal file
128
funcs.go
Normal file
@ -0,0 +1,128 @@
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package main
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import (
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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"net/url"
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"strings"
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)
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/*
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func get_courses(token string, link string, client http.Client) []CanvasCourse {
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resp, err := client.Get(link)
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if err != nil {
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fmt.Println("Error performing GET request to get courses.")
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}
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defer resp.Body.Close()
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body, err := io.ReadAll(resp.Body)
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if err != nil {
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fmt.Println("Error trying to read html body for courses.")
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}
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var canvas_courses []CanvasCourse
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err2 := json.Unmarshal(body, &canvas_courses)
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if err2 != nil {
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fmt.Println(err2)
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return nil
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}
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return canvas_courses
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}
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// Need to change this to grab both ID and name, return as pairs.
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func get_course_id_name_pair(canvas_courses []CanvasCourse) []uint64 {
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var courses []uint64
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for _, course := range canvas_courses {
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courses = append(courses, course.ID%10000)
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}
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return courses
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}
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func select_course() int {
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// course selection by user happens below
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//favorites := fmt.Sprintf("%s/users/self/favorites/courses?access_token=%s&per_page=100", base_link, token)
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//all_courses := fmt.Sprintf("%s/courses?access_token=%s&per_page=100", base_link,token)
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// var canvas_courses []CanvasCourse
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//canvas_courses = get_courses(token, favorites, client)
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//var course_ids []uint64
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//course_ids = get_course_ids(canvas_courses)
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//selected := 1 // course_ids[selected]
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// course selection by user happens above
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return 0
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}
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*/
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func get_aplus(token string, link string, client http.Client) string {
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resp, err := client.Get(link)
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if err != nil {
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fmt.Println("Error performing GET request to initial link.")
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}
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defer resp.Body.Close()
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body, err := io.ReadAll(resp.Body)
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if err != nil {
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fmt.Println("Error reading body of initial aplus html response " +
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"which is supposed to contain a one-time link for getting the form.")
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}
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var aplus Aplus
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json.Unmarshal(body, &aplus)
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return aplus.URL
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}
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func get_form_from_request_body(req_body []byte) string {
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body_str := string(req_body)
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form_start := strings.Index(body_str, "<form")
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form_end := strings.Index(body_str, "</form>") + 7
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form_html := req_body[form_start:form_end]
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return string(form_html)
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}
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// parse_form extracts form fields and values from the given HTML form string.
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func parse_form(form_html string) url.Values {
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form_values := make(url.Values)
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inputs := strings.Split(form_html, "<input")
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for _, input := range inputs {
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// Extract field name and value
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name := extract_attribute(input, "name")
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value := extract_attribute(input, "value")
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if name != "" {
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form_values.Add(name, value)
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}
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}
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return form_values
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}
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func extract_attribute(input string, attribute string) string {
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start := strings.Index(input, attribute+"=\"")
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if start == -1 {
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start = strings.Index(input, attribute+"='")
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}
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if start == -1 {
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return ""
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}
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start += len(attribute) + 2
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end := strings.Index(input[start:], "\"")
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if end == -1 {
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end = strings.Index(input[start:], "'")
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}
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if end == -1 {
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return ""
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}
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return input[start : start+end]
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}
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224
main.go
224
main.go
@ -1,97 +1,12 @@
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package main
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import (
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"encoding/json"
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"fmt"
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"io"
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"net/http"
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"net/url"
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"strings"
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"os"
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)
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func get_courses(token string, link string, client http.Client) []CanvasCourse {
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resp, err := client.Get(link)
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if err != nil {
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// handle error
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}
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defer resp.Body.Close()
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body, err := io.ReadAll(resp.Body)
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var canvas_courses []CanvasCourse
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err2 := json.Unmarshal(body, &canvas_courses)
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if err2 != nil {
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fmt.Println(err2)
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return nil
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}
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return canvas_courses
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}
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func get_aplus(token string, link string, client http.Client) string {
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resp, err := client.Get(link)
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if err != nil {
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// handle error
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}
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defer resp.Body.Close()
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body, err := io.ReadAll(resp.Body)
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var aplus Aplus
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json.Unmarshal(body, &aplus)
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return aplus.URL
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}
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func get_course_ids(canvas_courses []CanvasCourse) []uint64 {
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var courses []uint64
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for _, course := range canvas_courses {
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courses = append(courses, course.ID%10000)
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}
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return courses
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}
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// parse_form extracts form fields and values from the given HTML form string.
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func parse_form(form_html string) url.Values {
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form_values := make(url.Values)
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inputs := strings.Split(form_html, "<input")
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for _, input := range inputs {
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// Extract field name and value
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name := extract_attribute(input, "name")
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value := extract_attribute(input, "value")
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if name != "" {
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form_values.Add(name, value)
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}
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}
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return form_values
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}
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func extract_attribute(input string, attribute string) string {
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start := strings.Index(input, attribute+"=\"")
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if start == -1 {
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start = strings.Index(input, attribute+"='")
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}
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if start == -1 {
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return ""
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}
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start += len(attribute) + 2
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end := strings.Index(input[start:], "\"")
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if end == -1 {
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end = strings.Index(input[start:], "'")
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}
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if end == -1 {
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return ""
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}
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return input[start : start+end]
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}
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func main() {
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client := http.Client{
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CheckRedirect: func(req *http.Request, via []*http.Request) error {
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@ -100,145 +15,56 @@ func main() {
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},
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}
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// https://canvas.instructure.com/api/v1/courses?access_token={}&per_page=100", canvas_token
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base_link := "https://floridapolytechnic.instructure.com/api/v1"
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token := "token"
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token := os.Getenv("CANVAS_API_KEY")
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// course selection by user happens below
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//favorites := fmt.Sprintf("%s/users/self/favorites/courses?access_token=%s&per_page=100", base_link, token)
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//all_courses := fmt.Sprintf("%s/courses?access_token=%s&per_page=100", base_link,token)
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//var canvas_courses []CanvasCourse
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//canvas_courses = get_courses(token, favorites, client)
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//var course_ids []uint64
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//course_ids = get_course_ids(canvas_courses)
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//selected := 1 // course_ids[selected]
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// course selection by user happens above
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// select_course()
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aplus_link := fmt.Sprintf("%s/courses/%d/external_tools/sessionless_launch?id=913&access_token=%s", base_link, 7329, token) // 7329 always works
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var aplus string
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aplus = get_aplus(token, aplus_link, client)
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aplus := get_aplus(token, aplus_link, client)
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fmt.Println(aplus)
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resp, err := client.Get(aplus)
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if err != nil {
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// handle error
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fmt.Println("Error while performing GET request to aplus auth link.")
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}
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//fmt.Println(resp)
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defer resp.Body.Close()
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body, err := io.ReadAll(resp.Body)
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//fmt.Println(string(body))
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//fmt.Println(resp)
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//fmt.Println("Status code:", resp.StatusCode)
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if err != nil {
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// handle error
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fmt.Println("Error reading body of initial aplus html response.")
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}
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body_str := string(body)
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form_str := get_form_from_request_body(body)
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fmt.Println(form_str)
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form_start := strings.Index(body_str, "<form")
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form_end := strings.Index(body_str, "</form>") + 7
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form_html := body[form_start:form_end]
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form := string(form_html)
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fmt.Println(form)
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form_values := parse_form(form)
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form_values := parse_form(form_str)
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fmt.Println("Form Values:")
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for key, values := range form_values {
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fmt.Printf("%s: %s\n", key, values)
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}
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//req, err := http.PostForm("https://floridapoly.aplusattendance.com/canvas", form_values)
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req, err := client.PostForm("https://floridapoly.aplusattendance.com/canvas", form_values)
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if err != nil {
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fmt.Println("Error posting form to Aplus Attendance.")
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}
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body, err = io.ReadAll(req.Body)
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if err != nil {
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fmt.Println("Error reading body of post form response from aplus attendance.")
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}
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fmt.Println(string(body))
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fmt.Println(req)
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// we need to submit the above post request correctly in order to submit this request.
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//resp, err = client.Get("https://floridapoly.aplusattendance.com/canvas/student/?canvasCourse=7329&doStudentAuth=true")
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//body, err = io.ReadAll(req.Body)
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//fmt.Println(string(body))
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//fmt.Println(req)
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}
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/*
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The code below takes the form that defines the post request we must perform to the aplusattendance.com site, and actually maps it to a request.
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what I have to do is programmatically grab that form, translate it on the fly, and submit the request rather than doing this manually.
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// Define the form data as a map of key-value pairs.
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formData := map[string]string{
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"oauth_consumer_key": "aplus-attendance",
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"oauth_signature_method": "HMAC-SHA1",
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"oauth_timestamp": "1698650339",
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"oauth_nonce": "nV9EswFv8LtXXRVgRmWW8NSQ7mO3Sheeqi1SjJWPJGE",
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"oauth_version": "1.0",
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"context_id": "0c1f49ff7b35cba2226f93e9cbb84ae810ed00ab",
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"context_label": "CIS4367.01I&T",
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"context_title": "Computer Security(FA 2023_CIS4367.01 I&T",
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"custom_canvas_api_domain": "floridapolytechnic.instructure.com",
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"custom_canvas_course_id": "7329",
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"custom_canvas_enrollment_state": "active",
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"custom_canvas_user_id": "6858",
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"custom_canvas_user_login_id": "jroig9590",
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"custom_canvas_workflow_state": "available",
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"ext_roles": "urn:lti:instrole:ims/lis/Student,urn:lti:role:ims/lis/Learner,urn:lti:sysrole:ims/lis/User",
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"launch_presentation_document_target": "iframe",
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"launch_presentation_locale": "en",
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"launch_presentation_return_url": "https://floridapolytechnic.instructure.com/courses/7329",
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"lis_course_offering_sourcedid": "7093",
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"lis_person_contact_email_primary": "jroig9590@floridapoly.edu",
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"lis_person_name_family": "Roig",
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"lis_person_name_full": "Juan Roig",
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"lis_person_name_given": "Juan",
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"lis_person_sourcedid": "10308",
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"lti_message_type": "basic-lti-launch-request",
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"lti_version": "LTI-1p0",
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"oauth_callback": "about:blank",
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"resource_link_id": "0c1f49ff7b35cba2226f93e9cbb84ae810ed00ab",
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"resource_link_title": "aPlus+ Attendance",
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"roles": "Learner",
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"tool_consumer_info_product_family_code": "canvas",
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"tool_consumer_info_version": "cloud",
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"tool_consumer_instance_contact_email": "notifications@instructure.com",
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"tool_consumer_instance_guid": "7db438071375c02373713c12c73869ff2f470b68.floridapolytechnic.instructure.com",
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"tool_consumer_instance_name": "Florida Polytechnic University",
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"user_id": "91ba5b390440f646d9d4c47a0dc14f91cf595887",
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"user_image": "https://canvas.instructure.com/images/messages/avatar-50.png",
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"oauth_signature": "u3mIfUZ+qgSN4zzk0Ipklc0A7KU=",
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}
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// Create an HTTP client
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client := &http.Client{}
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// Create a new request
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req, err := http.NewRequest("POST", "https://floridapoly.aplusattendance.com/canvas", bytes.NewBuffer([]byte{}))
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if err != nil {
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fmt.Println("Error creating the request:", err)
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return
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}
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// Add the form data as URL-encoded values to the request
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q := req.URL.Query()
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for key, value := range formData {
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q.Add(key, value)
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}
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req.URL.RawQuery = q.Encode()
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// Set the appropriate content type for the form
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req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
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// Perform the POST request
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resp, err := client.Do(req)
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if err != nil {
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fmt.Println("Error sending the POST request:", err)
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return
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}
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defer resp.Body.Close()
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// Check the response
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if resp.StatusCode == http.StatusOK {
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fmt.Println("Request successful. You may need to parse and process the response body if applicable.")
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} else {
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fmt.Println("Request failed with status code:", resp.Status)
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}
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*/
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