forked from Alex13658/SchoolServer
/
report-07.go
178 lines (164 loc) · 4.49 KB
/
report-07.go
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// Copyright (C) 2018 Mikhail Masyagin & Andrey Koshelev
package reports
import (
"bytes"
"fmt"
"strings"
dt "github.com/masyagin1998/SchoolServer/libtelco/sessions/datatypes"
"github.com/masyagin1998/SchoolServer/libtelco/sessions/reportsparser"
"github.com/masyagin1998/SchoolServer/libtelco/sessions/servers/01/check"
"github.com/pkg/errors"
gr "github.com/levigross/grequests"
)
/*
07 тип.
*/
// GetJournalAccessReport возвращает отчет о доступе к журналу с сервера первого типа.
func GetJournalAccessReport(s *dt.Session, studentID string) (*dt.JournalAccessReport, error) {
p := "http://"
// 0-ой Post-запрос.
r0 := func() (bool, error) {
ro := &gr.RequestOptions{
Data: map[string]string{
"AT": s.AT,
"LoginType": "0",
"RPTID": "3",
"ThmID": "2",
"VER": s.VER,
},
Headers: map[string]string{
"Origin": p + s.Serv.Link,
"Upgrade-Insecure-Requests": "1",
"Referer": p + s.Serv.Link + "/asp/Reports/Reports.asp",
},
}
r, err := s.Sess.Post(p+s.Serv.Link+"/asp/Reports/JournalAccess.asp", ro)
if err != nil {
return false, err
}
defer func() {
_ = r.Close()
}()
return check.CheckResponse(s, r)
}
flag, err := r0()
if err != nil {
return nil, errors.Wrap(err, "0 POST")
}
if !flag {
flag, err = r0()
if err != nil {
return nil, errors.Wrap(err, "retrying 0 POST")
}
if !flag {
return nil, fmt.Errorf("retry didn't work for 0 POST")
}
}
type Filter struct {
ID string `json:"filterId"`
Value string `json:"filterValue"`
}
type SelectedData struct {
SelectedData []Filter `json:"selectedData"`
}
json := SelectedData{
SelectedData: []Filter{Filter{"SID", studentID}},
}
// 1-ый Post-запрос.
r1 := func() ([]byte, bool, error) {
ro := &gr.RequestOptions{
JSON: json,
Headers: map[string]string{
"Origin": p + s.Serv.Link,
"X-Requested-With": "XMLHttpRequest",
"at": s.AT,
"Referer": p + s.Serv.Link + "/asp/Reports/ReportJournalAccess.asp",
},
}
r, err := s.Sess.Post(p+s.Serv.Link+"/webapi/reports/journal_access/initfilters", ro)
if err != nil {
return nil, false, err
}
defer func() {
_ = r.Close()
}()
flag, err := check.CheckResponse(s, r)
return r.Bytes(), flag, err
}
b, flag, err := r1()
if err != nil {
return nil, errors.Wrap(err, "1 POST")
}
if !flag {
b, flag, err = r1()
if err != nil {
return nil, errors.Wrap(err, "retrying 1 POST")
}
if !flag {
return nil, fmt.Errorf("retry didn't work for 1 POST")
}
}
CLID := string(b)
index := strings.Index(CLID, "\"value\":\"")
if index == -1 {
return nil, fmt.Errorf("Invalid begin SID substring \"%s\"", CLID)
}
CLID = CLID[index+len("\"value\":\""):]
index = strings.Index(CLID, "\"")
if index == -1 {
return nil, fmt.Errorf("Invalid end SID substring \"%s\"", CLID)
}
CLID = CLID[:index]
// 2-ой Post-запрос.
r2 := func() ([]byte, bool, error) {
ro := &gr.RequestOptions{
Data: map[string]string{
"A": "",
"AT": s.AT,
"BACK": "/asp/Reports/ReportJournalAccess.asp",
"LoginType": "0",
"NA": "",
"PCLID_IUP": CLID,
"PP": "/asp/Reports/ReportJournalAccess.asp",
"RP": "",
"RPTID": "3",
"RT": "",
"SID": studentID,
"TA": "",
"ThmID": "2",
"VER": s.VER,
},
Headers: map[string]string{
"Origin": p + s.Serv.Link,
"X-Requested-With": "XMLHttpRequest",
"at": s.AT,
"Referer": p + s.Serv.Link + "/asp/Reports/ReportJournalAccess.asp",
},
}
r, err := s.Sess.Post(p+s.Serv.Link+"/asp/Reports/JournalAccess.asp", ro)
if err != nil {
return nil, false, err
}
defer func() {
_ = r.Close()
}()
flag, err := check.CheckResponse(s, r)
return r.Bytes(), flag, err
}
b, flag, err = r2()
if err != nil {
return nil, errors.Wrap(err, "2 POST")
}
if !flag {
b, flag, err = r2()
if err != nil {
return nil, errors.Wrap(err, "retrying 2 POST")
}
if !flag {
return nil, fmt.Errorf("retry didn't work for 2 POST")
}
}
// Если мы дошли до этого места, то можно распарсить HTML-страницу,
// находящуюся в теле ответа, и найти в ней отчет о доступе к журналу.
return reportsparser.JournalAccessReportParser(bytes.NewReader(b))
}