🎉 Support basic downloading
This commit is contained in:
2
.gitignore
vendored
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2
.gitignore
vendored
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@ -0,0 +1,2 @@
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.env
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out/
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25
go.mod
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25
go.mod
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module minie4/itslearningdl
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go 1.21.5
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require (
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github.com/anaskhan96/soup v1.2.5 // indirect
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github.com/aymanbagabas/go-osc52/v2 v2.0.1 // indirect
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github.com/charmbracelet/lipgloss v0.9.1 // indirect
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github.com/charmbracelet/log v0.3.1 // indirect
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github.com/go-logfmt/logfmt v0.6.0 // indirect
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github.com/joho/godotenv v1.5.1 // indirect
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github.com/lucasb-eyer/go-colorful v1.2.0 // indirect
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github.com/mattn/go-isatty v0.0.20 // indirect
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github.com/mattn/go-runewidth v0.0.15 // indirect
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github.com/mitchellh/colorstring v0.0.0-20190213212951-d06e56a500db // indirect
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github.com/muesli/reflow v0.3.0 // indirect
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github.com/muesli/termenv v0.15.2 // indirect
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github.com/rivo/uniseg v0.4.4 // indirect
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github.com/schollz/progressbar/v3 v3.14.1 // indirect
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golang.org/x/exp v0.0.0-20231006140011-7918f672742d // indirect
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golang.org/x/net v0.0.0-20200114155413-6afb5195e5aa // indirect
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golang.org/x/sys v0.15.0 // indirect
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golang.org/x/term v0.15.0 // indirect
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golang.org/x/text v0.3.0 // indirect
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)
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55
go.sum
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55
go.sum
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github.com/anaskhan96/soup v1.2.5 h1:V/FHiusdTrPrdF4iA1YkVxsOpdNcgvqT1hG+YtcZ5hM=
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github.com/anaskhan96/soup v1.2.5/go.mod h1:6YnEp9A2yywlYdM4EgDz9NEHclocMepEtku7wg6Cq3s=
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github.com/aymanbagabas/go-osc52/v2 v2.0.1 h1:HwpRHbFMcZLEVr42D4p7XBqjyuxQH5SMiErDT4WkJ2k=
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github.com/aymanbagabas/go-osc52/v2 v2.0.1/go.mod h1:uYgXzlJ7ZpABp8OJ+exZzJJhRNQ2ASbcXHWsFqH8hp8=
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github.com/charmbracelet/lipgloss v0.9.1 h1:PNyd3jvaJbg4jRHKWXnCj1akQm4rh8dbEzN1p/u1KWg=
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github.com/charmbracelet/lipgloss v0.9.1/go.mod h1:1mPmG4cxScwUQALAAnacHaigiiHB9Pmr+v1VEawJl6I=
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github.com/charmbracelet/log v0.3.1 h1:TjuY4OBNbxmHWSwO3tosgqs5I3biyY8sQPny/eCMTYw=
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github.com/charmbracelet/log v0.3.1/go.mod h1:OR4E1hutLsax3ZKpXbgUqPtTjQfrh1pG3zwHGWuuq8g=
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github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
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github.com/go-logfmt/logfmt v0.6.0 h1:wGYYu3uicYdqXVgoYbvnkrPVXkuLM1p1ifugDMEdRi4=
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github.com/go-logfmt/logfmt v0.6.0/go.mod h1:WYhtIu8zTZfxdn5+rREduYbwxfcBr/Vr6KEVveWlfTs=
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github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
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github.com/joho/godotenv v1.5.1/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4=
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github.com/k0kubun/go-ansi v0.0.0-20180517002512-3bf9e2903213/go.mod h1:vNUNkEQ1e29fT/6vq2aBdFsgNPmy8qMdSay1npru+Sw=
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github.com/lucasb-eyer/go-colorful v1.2.0 h1:1nnpGOrhyZZuNyfu1QjKiUICQ74+3FNCN69Aj6K7nkY=
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github.com/lucasb-eyer/go-colorful v1.2.0/go.mod h1:R4dSotOR9KMtayYi1e77YzuveK+i7ruzyGqttikkLy0=
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github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWEY=
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github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
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github.com/mattn/go-runewidth v0.0.12/go.mod h1:RAqKPSqVFrSLVXbA8x7dzmKdmGzieGRCM46jaSJTDAk=
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github.com/mattn/go-runewidth v0.0.15 h1:UNAjwbU9l54TA3KzvqLGxwWjHmMgBUVhBiTjelZgg3U=
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github.com/mattn/go-runewidth v0.0.15/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
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github.com/mitchellh/colorstring v0.0.0-20190213212951-d06e56a500db h1:62I3jR2EmQ4l5rM/4FEfDWcRD+abF5XlKShorW5LRoQ=
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github.com/mitchellh/colorstring v0.0.0-20190213212951-d06e56a500db/go.mod h1:l0dey0ia/Uv7NcFFVbCLtqEBQbrT4OCwCSKTEv6enCw=
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github.com/muesli/reflow v0.3.0 h1:IFsN6K9NfGtjeggFP+68I4chLZV2yIKsXJFNZ+eWh6s=
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github.com/muesli/reflow v0.3.0/go.mod h1:pbwTDkVPibjO2kyvBQRBxTWEEGDGq0FlB1BIKtnHY/8=
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github.com/muesli/termenv v0.15.2 h1:GohcuySI0QmI3wN8Ok9PtKGkgkFIk7y6Vpb5PvrY+Wo=
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github.com/muesli/termenv v0.15.2/go.mod h1:Epx+iuz8sNs7mNKhxzH4fWXGNpZwUaJKRS1noLXviQ8=
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github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
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github.com/rivo/uniseg v0.1.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
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github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
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github.com/rivo/uniseg v0.4.4 h1:8TfxU8dW6PdqD27gjM8MVNuicgxIjxpm4K7x4jp8sis=
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github.com/rivo/uniseg v0.4.4/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88=
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github.com/schollz/progressbar/v3 v3.14.1 h1:VD+MJPCr4s3wdhTc7OEJ/Z3dAeBzJ7yKH/P4lC5yRTI=
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github.com/schollz/progressbar/v3 v3.14.1/go.mod h1:Zc9xXneTzWXF81TGoqL71u0sBPjULtEHYtj/WVgVy8E=
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github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
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github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
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github.com/stretchr/testify v1.6.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
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golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
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golang.org/x/exp v0.0.0-20231006140011-7918f672742d h1:jtJma62tbqLibJ5sFQz8bKtEM8rJBtfilJ2qTU199MI=
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golang.org/x/exp v0.0.0-20231006140011-7918f672742d/go.mod h1:ldy0pHrwJyGW56pPQzzkH36rKxoZW1tw7ZJpeKx+hdo=
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golang.org/x/net v0.0.0-20200114155413-6afb5195e5aa h1:F+8P+gmewFQYRk6JoLQLwjBCTu3mcIURZfNkVweuRKA=
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golang.org/x/net v0.0.0-20200114155413-6afb5195e5aa/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
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golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
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golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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golang.org/x/sys v0.14.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
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golang.org/x/sys v0.15.0 h1:h48lPFYpsTvQJZF4EKyI4aLHaev3CxivZmv7yZig9pc=
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golang.org/x/sys v0.15.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
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golang.org/x/term v0.14.0/go.mod h1:TySc+nGkYR6qt8km8wUhuFRTVSMIX3XPR58y2lC8vww=
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golang.org/x/term v0.15.0 h1:y/Oo/a/q3IXu26lQgl04j/gjuBDOBlx7X6Om1j2CPW4=
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golang.org/x/term v0.15.0/go.mod h1:BDl952bC7+uMoWR75FIrCDx79TPU9oHkTZ9yRbYOrX0=
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golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
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golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
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gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
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gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
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230
itslearning/itslearning.go
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230
itslearning/itslearning.go
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package itslearning
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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/http/cookiejar"
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"net/url"
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"os"
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"path/filepath"
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"strconv"
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"strings"
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"time"
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"github.com/anaskhan96/soup"
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"github.com/charmbracelet/log"
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)
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type itslearning struct {
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instance string
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user_agent string
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access_token string
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}
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type Course struct {
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CourseCode string `json:"CourseCode"`
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CourseColor string `json:"CourseColor"`
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CourseFillColor string `json:"CourseFillColor"`
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CourseId int `json:"CourseId"`
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FriendlyName *string `json:"FriendlyName"`
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HasAdminPermissions bool `json:"HasAdminPermissions"`
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HasStudentPermissions bool `json:"HasStudentPermissions"`
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LastUpdatedUtc time.Time `json:"LastUpdatedUtc"`
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NewBulletinsCount int `json:"NewBulletinsCount"`
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NewNotificationsCount int `json:"NewNotificationsCount"`
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Title string `json:"Title"`
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Url string `json:"Url"`
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}
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type Resource struct {
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Title string `json:"Title"`
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ElementID int `json:"ElementId"`
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ElementType string `json:"ElementType"`
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CourseID int `json:"CourseId"`
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URL string `json:"Url"`
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ContentURL string `json:"ContentUrl"`
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IconURL string `json:"IconUrl"`
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Active bool `json:"Active"`
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LearningToolID int `json:"LearningToolId"`
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AddElementURL any `json:"AddElementUrl"`
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Homework bool `json:"Homework"`
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Path string `json:"Path"`
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LearningObjectID int `json:"LearningObjectId"`
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LearningObjectInstanceID int `json:"LearningObjectInstanceId"`
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}
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func doHTTPReq(req http.Request, err error, itsl itslearning, method string, target interface{}) error {
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req.Header.Add("Content-Type", "application/x-www-form-urlencoded")
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req.Header.Set("User-Agent", itsl.user_agent)
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if err != nil {
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log.Warn("Itslearning request failed!", "method", method, "error", err)
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return err
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}
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res, err := http.DefaultClient.Do(&req)
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if err != nil {
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log.Warn("Itslearning request failed!", "method", method, "error", err)
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return err
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}
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defer res.Body.Close()
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return json.NewDecoder(res.Body).Decode(target)
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}
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func RequestAuthtoken(itsl itslearning, username string, password string) string {
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path := itsl.instance + "/restapi/oauth2/token"
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payload := url.Values{
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"client_id": {"10ae9d30-1853-48ff-81cb-47b58a325685"},
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"grant_type": {"password"},
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"username": {username},
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"password": {password},
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|
}
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|
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|
req, err := http.NewRequest(http.MethodPost, path, strings.NewReader(payload.Encode()))
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|
data := new(map[string]interface{})
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|
err = doHTTPReq(*req, err, itsl, "Login", data)
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|
return (*data)["access_token"].(string)
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|
}
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|
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|
func QueryCourseList(itsl itslearning) []Course {
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|
path := itsl.instance + "/restapi/personal/courses/v2"
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|
payload := url.Values{
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|
"access_token": {itsl.access_token},
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|
"pageIndex": {"0"},
|
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|
"pageSize": {"9999"},
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|
"filter": {"1"},
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|
}
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|
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||||||
|
req, err := http.NewRequest(http.MethodGet, path, strings.NewReader(payload.Encode()))
|
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|
data := new(struct{ EntityArray []Course })
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|
doHTTPReq(*req, err, itsl, "QueryCourseList", data)
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|
return data.EntityArray
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|
}
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|
|
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|
func QueryCourseResources(itsl itslearning, courseID int) []Resource {
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|
path := fmt.Sprintf("%s/restapi/personal/courses/%s/resources/v1", itsl.instance, strconv.Itoa(courseID))
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|
payload := url.Values{
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|
"access_token": {itsl.access_token},
|
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|
"pageIndex": {"0"},
|
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|
"pageSize": {"9999"},
|
||||||
|
}
|
||||||
|
|
||||||
|
req, err := http.NewRequest(http.MethodGet, path, strings.NewReader(payload.Encode()))
|
||||||
|
data := new(struct {
|
||||||
|
Resources struct {
|
||||||
|
EntityArray []Resource
|
||||||
|
}
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||||||
|
})
|
||||||
|
doHTTPReq(*req, err, itsl, "QueryCourseResources", data)
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||||||
|
return data.Resources.EntityArray
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||||||
|
}
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||||||
|
|
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|
func QueryFolderResources(itsl itslearning, courseID int, folderElementID int) []Resource {
|
||||||
|
path := fmt.Sprintf("%s/restapi/personal/courses/%s/folders/%s/resources/v1", itsl.instance, strconv.Itoa(courseID), strconv.Itoa(folderElementID))
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||||||
|
payload := url.Values{
|
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|
"access_token": {itsl.access_token},
|
||||||
|
"pageIndex": {"0"},
|
||||||
|
"pageSize": {"9999"},
|
||||||
|
}
|
||||||
|
|
||||||
|
req, err := http.NewRequest(http.MethodGet, path, strings.NewReader(payload.Encode()))
|
||||||
|
data := new(struct {
|
||||||
|
Resources struct {
|
||||||
|
EntityArray []Resource
|
||||||
|
}
|
||||||
|
})
|
||||||
|
doHTTPReq(*req, err, itsl, "QueryFolderResources", data)
|
||||||
|
return data.Resources.EntityArray
|
||||||
|
}
|
||||||
|
|
||||||
|
func DownloadElement(itsl itslearning, elementID int, outfile string) {
|
||||||
|
// Request the SSO redirect URL
|
||||||
|
path := fmt.Sprintf("%s/restapi/personal/sso/url/v1", itsl.instance)
|
||||||
|
payload := url.Values{
|
||||||
|
"access_token": {itsl.access_token},
|
||||||
|
"url": {fmt.Sprintf("%s/LearningToolElement/ViewLearningToolElement.aspx?LearningToolElementId=%d", itsl.instance, elementID)},
|
||||||
|
}
|
||||||
|
|
||||||
|
req, err := http.NewRequest(http.MethodGet, path, nil)
|
||||||
|
req.URL.RawQuery = payload.Encode()
|
||||||
|
data := new(struct{ Url string })
|
||||||
|
doHTTPReq(*req, err, itsl, "QueryFolderResources", data)
|
||||||
|
if err != nil {
|
||||||
|
log.Error("Error fetching SSO URL:", err)
|
||||||
|
return
|
||||||
|
}
|
||||||
|
|
||||||
|
jar, _ := cookiejar.New(nil)
|
||||||
|
client := &http.Client{
|
||||||
|
Jar: jar,
|
||||||
|
}
|
||||||
|
log.Debug("SSO URL", "data", data)
|
||||||
|
|
||||||
|
// Make a request to the SSO redirect
|
||||||
|
req, err = http.NewRequest(http.MethodGet, data.Url, nil)
|
||||||
|
req.Header.Set("User-Agent", itsl.user_agent)
|
||||||
|
res, err := client.Do(req)
|
||||||
|
if err != nil {
|
||||||
|
log.Warn("File download failed!", "error", err)
|
||||||
|
return
|
||||||
|
}
|
||||||
|
html, err := io.ReadAll(res.Body)
|
||||||
|
|
||||||
|
// Get the iframe URL
|
||||||
|
doc := soup.HTMLParse(string(html))
|
||||||
|
iframe := doc.Find("iframe")
|
||||||
|
if iframe.Error != nil {
|
||||||
|
log.Error(iframe.Error)
|
||||||
|
return
|
||||||
|
}
|
||||||
|
|
||||||
|
iframeSrc := iframe.Attrs()["src"]
|
||||||
|
|
||||||
|
log.Debug("File iframe Src", "src", iframeSrc)
|
||||||
|
|
||||||
|
req, err = http.NewRequest(http.MethodGet, iframeSrc, nil)
|
||||||
|
req.Header.Set("User-Agent", itsl.user_agent)
|
||||||
|
res, err = client.Do(req)
|
||||||
|
if err != nil {
|
||||||
|
log.Warn("File download failed!", "error", err)
|
||||||
|
return
|
||||||
|
}
|
||||||
|
html, err = io.ReadAll(res.Body)
|
||||||
|
|
||||||
|
redirectedUrl := res.Request.URL.String()
|
||||||
|
u, _ := url.Parse(redirectedUrl)
|
||||||
|
q, _ := url.ParseQuery(u.RawQuery)
|
||||||
|
|
||||||
|
payload = url.Values{
|
||||||
|
"LearningObjectId": {q.Get("LearningObjectId")},
|
||||||
|
"LearningObjectInstanceId": {q.Get("LearningObjectInstanceId")},
|
||||||
|
}
|
||||||
|
resourceUrl := "https://resource.itslearning.com/Proxy/DownloadRedirect.ashx"
|
||||||
|
req, err = http.NewRequest(http.MethodGet, resourceUrl, nil)
|
||||||
|
req.URL.RawQuery = payload.Encode()
|
||||||
|
req.Header.Set("User-Agent", itsl.user_agent)
|
||||||
|
res, err = client.Do(req)
|
||||||
|
if err != nil {
|
||||||
|
log.Warn("File download failed!", "error", err)
|
||||||
|
return
|
||||||
|
}
|
||||||
|
|
||||||
|
dir, _ := filepath.Split(outfile)
|
||||||
|
os.MkdirAll(dir, os.ModePerm)
|
||||||
|
out, err := os.Create(outfile)
|
||||||
|
if err != nil {
|
||||||
|
log.Error("Failed writing file!", "error", err)
|
||||||
|
}
|
||||||
|
defer out.Close()
|
||||||
|
defer res.Body.Close()
|
||||||
|
io.Copy(out, res.Body)
|
||||||
|
}
|
||||||
|
|
||||||
|
func New(username string, password string, instance string, useragent string) itslearning {
|
||||||
|
log.Debug("Attempting to log in")
|
||||||
|
e := itslearning{instance, useragent, ""}
|
||||||
|
e.access_token = RequestAuthtoken(e, username, password)
|
||||||
|
return e
|
||||||
|
}
|
||||||
45
main.go
Normal file
45
main.go
Normal file
@ -0,0 +1,45 @@
|
|||||||
|
package main
|
||||||
|
|
||||||
|
import (
|
||||||
|
"minie4/itslearningdl/itslearning"
|
||||||
|
"os"
|
||||||
|
|
||||||
|
"github.com/charmbracelet/log"
|
||||||
|
"github.com/joho/godotenv"
|
||||||
|
)
|
||||||
|
|
||||||
|
func main() {
|
||||||
|
|
||||||
|
// log.SetLevel(log.DebugLevel)
|
||||||
|
|
||||||
|
err := godotenv.Load()
|
||||||
|
if err != nil {
|
||||||
|
log.Warn("Error loading .env file")
|
||||||
|
}
|
||||||
|
|
||||||
|
user_agent := "com.itslearning.itslearningintapp 3.7.1 (HONOR BLN-L21 / Android 9)"
|
||||||
|
username := os.Getenv("ITSLEARNING_USERNAME")
|
||||||
|
password := os.Getenv("ITSLEARNING_PASSWORD")
|
||||||
|
instance := os.Getenv("ITSLEARNING_INSTANCE")
|
||||||
|
|
||||||
|
if username == "" || password == "" || instance == "" {
|
||||||
|
log.Fatal("Environment variables missing!")
|
||||||
|
}
|
||||||
|
|
||||||
|
itsl := itslearning.New(username, password, instance, user_agent)
|
||||||
|
|
||||||
|
courses := itslearning.QueryCourseList(itsl)
|
||||||
|
for _, course := range courses {
|
||||||
|
log.Info("Downloading course", "course", course.Title, "id", course.CourseId)
|
||||||
|
res := itslearning.QueryCourseResources(itsl, course.CourseId)
|
||||||
|
|
||||||
|
for _, resource := range res {
|
||||||
|
if resource.ElementType != "LearningToolElement" {
|
||||||
|
continue
|
||||||
|
}
|
||||||
|
log.Info("Downloading element", "element", resource.Title, "id", resource.ElementID)
|
||||||
|
itslearning.DownloadElement(itsl, resource.ElementID, "./out/"+course.Title+"/"+resource.Title)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
}
|
||||||
Reference in New Issue
Block a user