isolate form HTML

1 files changed, 102 insertions, 5 deletions

diff --git a/main.go b/main.go
index a33e192..eb88b8d 100644
--- a/main.go
+++ b/main.go
@@ -5,6 +5,7 @@ import (
         "fmt"
         "io"
         "net/http"
+        "strings"
 )
 
 func get_courses(token string, link string, client http.Client) []CanvasCourse {
@@ -58,21 +59,22 @@ func main() {
 
         // https://canvas.instructure.com/api/v1/courses?access_token={}&per_page=100", canvas_token
         base_link := "https://floridapolytechnic.instructure.com/api/v1"
-        token := "insert api key here"
+        token := "token here"
+
+        // course selection by user happens below
         //favorites := fmt.Sprintf("%s/users/self/favorites/courses?access_token=%s&per_page=100", base_link, token)
         //all_courses := fmt.Sprintf("%s/courses?access_token=%s&per_page=100", base_link,token)
-
         //var canvas_courses []CanvasCourse
         //canvas_courses = get_courses(token, favorites, client)
         //var course_ids []uint64
         //course_ids = get_course_ids(canvas_courses)
-
         //selected := 1 // course_ids[selected]
+        // course selection by user happens above
+
         aplus_link := fmt.Sprintf("%s/courses/%d/external_tools/sessionless_launch?id=913&access_token=%s", base_link, 7329, token) // 7329 always works
         var aplus string
         aplus = get_aplus(token, aplus_link, client)
         fmt.Println(aplus)
-
         resp, err := client.Get(aplus)
 
         if err != nil {
@@ -82,9 +84,104 @@ func main() {
         //fmt.Println(resp)
 
         defer resp.Body.Close()
-        //body, err := io.ReadAll(resp.Body)
+        body, err := io.ReadAll(resp.Body)
 
         //fmt.Println(string(body))
         //fmt.Println(resp)
+        //fmt.Println("Status code:", resp.StatusCode)
+
+        if err != nil {
+                // handle error
+        }
+
+        body_str := string(body)
+
+        form_start := strings.Index(body_str, "<form")
+        form_end := strings.Index(body_str, "</form>") + 7
+        form_html := body[form_start:form_end]
+
+        fmt.Println(string(form_html))
 
 }
+
+/*
+
+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.
+what I have to do is programmatically grab that form, translate it on the fly, and submit the request rather than doing this manually.
+// Define the form data as a map of key-value pairs.
+        formData := map[string]string{
+                "oauth_consumer_key":               "aplus-attendance",
+                "oauth_signature_method":           "HMAC-SHA1",
+                "oauth_timestamp":                 "1698650339",
+                "oauth_nonce":                    "nV9EswFv8LtXXRVgRmWW8NSQ7mO3Sheeqi1SjJWPJGE",
+                "oauth_version":                  "1.0",
+                "context_id":                    "0c1f49ff7b35cba2226f93e9cbb84ae810ed00ab",
+                "context_label":                 "CIS4367.01I&T",
+                "context_title":                 "Computer Security(FA 2023_CIS4367.01 I&T",
+                "custom_canvas_api_domain":      "floridapolytechnic.instructure.com",
+                "custom_canvas_course_id":       "7329",
+                "custom_canvas_enrollment_state": "active",
+                "custom_canvas_user_id":         "6858",
+                "custom_canvas_user_login_id":   "jroig9590",
+                "custom_canvas_workflow_state":  "available",
+                "ext_roles":                     "urn:lti:instrole:ims/lis/Student,urn:lti:role:ims/lis/Learner,urn:lti:sysrole:ims/lis/User",
+                "launch_presentation_document_target": "iframe",
+                "launch_presentation_locale":   "en",
+                "launch_presentation_return_url": "https://floridapolytechnic.instructure.com/courses/7329",
+                "lis_course_offering_sourcedid": "7093",
+                "lis_person_contact_email_primary": "jroig9590@floridapoly.edu",
+                "lis_person_name_family":         "Roig",
+                "lis_person_name_full":           "Juan Roig",
+                "lis_person_name_given":          "Juan",
+                "lis_person_sourcedid":           "10308",
+                "lti_message_type":               "basic-lti-launch-request",
+                "lti_version":                    "LTI-1p0",
+                "oauth_callback":                "about:blank",
+                "resource_link_id":              "0c1f49ff7b35cba2226f93e9cbb84ae810ed00ab",
+                "resource_link_title":           "aPlus+ Attendance",
+                "roles":                         "Learner",
+                "tool_consumer_info_product_family_code": "canvas",
+                "tool_consumer_info_version":           "cloud",
+                "tool_consumer_instance_contact_email": "notifications@instructure.com",
+                "tool_consumer_instance_guid":          "7db438071375c02373713c12c73869ff2f470b68.floridapolytechnic.instructure.com",
+                "tool_consumer_instance_name":          "Florida Polytechnic University",
+                "user_id":                             "91ba5b390440f646d9d4c47a0dc14f91cf595887",
+                "user_image":                           "https://canvas.instructure.com/images/messages/avatar-50.png",
+                "oauth_signature":                      "u3mIfUZ+qgSN4zzk0Ipklc0A7KU=",
+        }
+
+        // Create an HTTP client
+        client := &http.Client{}
+
+        // Create a new request
+        req, err := http.NewRequest("POST", "https://floridapoly.aplusattendance.com/canvas", bytes.NewBuffer([]byte{}))
+        if err != nil {
+                fmt.Println("Error creating the request:", err)
+                return
+        }
+
+        // Add the form data as URL-encoded values to the request
+        q := req.URL.Query()
+        for key, value := range formData {
+                q.Add(key, value)
+        }
+        req.URL.RawQuery = q.Encode()
+
+        // Set the appropriate content type for the form
+        req.Header.Set("Content-Type", "application/x-www-form-urlencoded")
+
+        // Perform the POST request
+        resp, err := client.Do(req)
+        if err != nil {
+                fmt.Println("Error sending the POST request:", err)
+                return
+        }
+        defer resp.Body.Close()
+
+        // Check the response
+        if resp.StatusCode == http.StatusOK {
+                fmt.Println("Request successful. You may need to parse and process the response body if applicable.")
+        } else {
+                fmt.Println("Request failed with status code:", resp.Status)
+        }
+*/