allow user to choose adf or flatbed

go.mod

@@ -1,30 +1,34 @@
 module github.com/kn100/telescan
 
-go 1.20
+go 1.24.0
 
 require (
-	github.com/brutella/dnssd v1.2.7
+	github.com/brutella/dnssd v1.2.14
 	github.com/go-telegram-bot-api/telegram-bot-api/v5 v5.5.1
-	github.com/pdfcpu/pdfcpu v0.4.0
+	github.com/pdfcpu/pdfcpu v0.11.0
 	github.com/stapelberg/airscan v0.0.0-20230413182642-6d2d07701710
-	go.uber.org/zap v1.24.0
-	golang.org/x/exp v0.0.0-20230425010034-47ecfdc1ba53
+	go.uber.org/zap v1.27.0
+	golang.org/x/exp v0.0.0-20251009144603-d2f985daa21b
 )
 
 require (
-	github.com/hhrutter/lzw v0.0.0-20190829144645-6f07a24e8650 // indirect
-	github.com/hhrutter/tiff v0.0.0-20190829141212-736cae8d0bc7 // indirect
-	github.com/mattn/go-runewidth v0.0.14 // indirect
-	github.com/miekg/dns v1.1.52 // indirect
+	github.com/clipperhouse/uax29/v2 v2.2.0 // indirect
+	github.com/hhrutter/lzw v1.0.0 // indirect
+	github.com/hhrutter/pkcs7 v0.2.0 // indirect
+	github.com/hhrutter/tiff v1.0.2 // indirect
+	github.com/mattn/go-runewidth v0.0.19 // indirect
+	github.com/miekg/dns v1.1.68 // indirect
 	github.com/pkg/errors v0.9.1 // indirect
-	github.com/rivo/uniseg v0.4.3 // indirect
-	go.uber.org/atomic v1.10.0 // indirect
+	github.com/vishvananda/netlink v1.2.1-beta.2 // indirect
+	github.com/vishvananda/netns v0.0.0-20200728191858-db3c7e526aae // indirect
 	go.uber.org/multierr v1.11.0 // indirect
-	golang.org/x/image v0.5.0 // indirect
-	golang.org/x/mod v0.9.0 // indirect
-	golang.org/x/net v0.8.0 // indirect
-	golang.org/x/sys v0.6.0 // indirect
-	golang.org/x/text v0.8.0 // indirect
-	golang.org/x/tools v0.7.0 // indirect
+	golang.org/x/crypto v0.43.0 // indirect
+	golang.org/x/image v0.32.0 // indirect
+	golang.org/x/mod v0.29.0 // indirect
+	golang.org/x/net v0.46.0 // indirect
+	golang.org/x/sync v0.17.0 // indirect
+	golang.org/x/sys v0.37.0 // indirect
+	golang.org/x/text v0.30.0 // indirect
+	golang.org/x/tools v0.38.0 // indirect
 	gopkg.in/yaml.v2 v2.4.0 // indirect
 )

go.sum

@@ -1,96 +1,66 @@
-github.com/benbjohnson/clock v1.1.0 h1:Q92kusRqC1XV2MjkWETPvjJVqKetz1OzxZB7mHJLju8=
-github.com/brutella/dnssd v1.2.7 h1:Uq2NgLzlUz5JWIzcug9xRU6v0UApHrlxbsREA5B1RrY=
-github.com/brutella/dnssd v1.2.7/go.mod h1:JoW2sJUrmVIef25G6lrLj7HS6Xdwh6q8WUIvMkkBYXs=
+github.com/brutella/dnssd v1.2.14 h1:qLpTnRTm5peo2jA30hqMIbCuWn8x3sFg3e9o9ODOobw=
+github.com/brutella/dnssd v1.2.14/go.mod h1:tG4GE8orv6+irE5rdsNgb6MJSxm6cyMUKdC5jmD22gk=
+github.com/clipperhouse/uax29/v2 v2.2.0 h1:ChwIKnQN3kcZteTXMgb1wztSgaU+ZemkgWdohwgs8tY=
+github.com/clipperhouse/uax29/v2 v2.2.0/go.mod h1:EFJ2TJMRUaplDxHKj1qAEhCtQPW2tJSwu5BF98AuoVM=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
+github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/go-telegram-bot-api/telegram-bot-api/v5 v5.5.1 h1:wG8n/XJQ07TmjbITcGiUaOtXxdrINDz1b0J1w0SzqDc=
 github.com/go-telegram-bot-api/telegram-bot-api/v5 v5.5.1/go.mod h1:A2S0CWkNylc2phvKXWBBdD3K0iGnDBGbzRpISP2zBl8=
-github.com/google/go-cmp v0.5.9 h1:O2Tfq5qg4qc4AmwVlvv0oLiVAGB7enBSJ2x2DqQFi38=
-github.com/hhrutter/lzw v0.0.0-20190827003112-58b82c5a41cc/go.mod h1:yJBvOcu1wLQ9q9XZmfiPfur+3dQJuIhYQsMGLYcItZk=
-github.com/hhrutter/lzw v0.0.0-20190829144645-6f07a24e8650 h1:1yY/RQWNSBjJe2GDCIYoLmpWVidrooriUr4QS/zaATQ=
-github.com/hhrutter/lzw v0.0.0-20190829144645-6f07a24e8650/go.mod h1:yJBvOcu1wLQ9q9XZmfiPfur+3dQJuIhYQsMGLYcItZk=
-github.com/hhrutter/tiff v0.0.0-20190829141212-736cae8d0bc7 h1:o1wMw7uTNyA58IlEdDpxIrtFHTgnvYzA8sCQz8luv94=
-github.com/hhrutter/tiff v0.0.0-20190829141212-736cae8d0bc7/go.mod h1:WkUxfS2JUu3qPo6tRld7ISb8HiC0gVSU91kooBMDVok=
-github.com/mattn/go-runewidth v0.0.14 h1:+xnbZSEeDbOIg5/mE6JF0w6n9duR1l3/WmbinWVwUuU=
-github.com/mattn/go-runewidth v0.0.14/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
-github.com/miekg/dns v1.1.50/go.mod h1:e3IlAVfNqAllflbibAZEWOXOQ+Ynzk/dDozDxY7XnME=
-github.com/miekg/dns v1.1.52 h1:Bmlc/qsNNULOe6bpXcUTsuOajd0DzRHwup6D9k1An0c=
-github.com/miekg/dns v1.1.52/go.mod h1:uInx36IzPl7FYnDcMeVWxj9byh7DutNykX4G9Sj60FY=
-github.com/pdfcpu/pdfcpu v0.4.0 h1:381iGNvMeLP+GFqIAqgd0LSj36AsK3JH4UTaF6D5jRc=
-github.com/pdfcpu/pdfcpu v0.4.0/go.mod h1:9NDeS6hrCheauxw6YUlzgL/q6At2+PMzUKyFcfUzLLY=
+github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
+github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
+github.com/hhrutter/lzw v1.0.0 h1:laL89Llp86W3rRs83LvKbwYRx6INE8gDn0XNb1oXtm0=
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+github.com/hhrutter/pkcs7 v0.2.0 h1:i4HN2XMbGQpZRnKBLsUwO3dSckzgX142TNqY/KfXg+I=
+github.com/hhrutter/pkcs7 v0.2.0/go.mod h1:aEzKz0+ZAlz7YaEMY47jDHL14hVWD6iXt0AgqgAvWgE=
+github.com/hhrutter/tiff v1.0.2 h1:7H3FQQpKu/i5WaSChoD1nnJbGx4MxU5TlNqqpxw55z8=
+github.com/hhrutter/tiff v1.0.2/go.mod h1:pcOeuK5loFUE7Y/WnzGw20YxUdnqjY1P0Jlcieb/cCw=
+github.com/mattn/go-runewidth v0.0.19 h1:v++JhqYnZuu5jSKrk9RbgF5v4CGUjqRfBm05byFGLdw=
+github.com/mattn/go-runewidth v0.0.19/go.mod h1:XBkDxAl56ILZc9knddidhrOlY5R/pDhgLpndooCuJAs=
+github.com/miekg/dns v1.1.68 h1:jsSRkNozw7G/mnmXULynzMNIsgY2dHC8LO6U6Ij2JEA=
+github.com/miekg/dns v1.1.68/go.mod h1:fujopn7TB3Pu3JM69XaawiU0wqjpL9/8xGop5UrTPps=
+github.com/pdfcpu/pdfcpu v0.11.0 h1:mL18Y3hSHzSezmnrzA21TqlayBOXuAx7BUzzZyroLGM=
+github.com/pdfcpu/pdfcpu v0.11.0/go.mod h1:F1ca4GIVFdPtmgvIdvXAycAm88noyNxZwzr9CpTy+Mw=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
 github.com/pkg/errors v0.9.1/go.mod h1:bwawxfHBFNV+L2hUp1rHADufV3IMtnDRdf1r5NINEl0=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
-github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
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 github.com/stapelberg/airscan v0.0.0-20230413182642-6d2d07701710 h1:lXa0DWlJVYEiUNrygGEt8ajkVaKjVs0guYYGzdfQM9I=
 github.com/stapelberg/airscan v0.0.0-20230413182642-6d2d07701710/go.mod h1:devRX2OERwK8zRT2B7HXia9790Gvao2fTVKw60I1etw=
-github.com/stretchr/testify v1.8.0 h1:pSgiaMZlXftHpm5L7V1+rVB+AZJydKsMxsQBIJw4PKk=
-github.com/yuin/goldmark v1.3.5/go.mod h1:mwnBkeHKe2W/ZEtQ+71ViKU8L12m81fl3OWwC1Zlc8k=
-github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
-go.uber.org/atomic v1.10.0 h1:9qC72Qh0+3MqyJbAn8YU5xVq1frD8bn3JtD2oXtafVQ=
-go.uber.org/atomic v1.10.0/go.mod h1:LUxbIzbOniOlMKjJjyPfpl4v+PKK2cNJn91OQbhoJI0=
-go.uber.org/goleak v1.1.11 h1:wy28qYRKZgnJTxGxvye5/wgWr1EKjmUDGYox5mGlRlI=
+github.com/stretchr/testify v1.8.1 h1:w7B6lhMri9wdJUVmEZPGGhZzrYTPvgJArz7wNPgYKsk=
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 go.uber.org/multierr v1.11.0 h1:blXXJkSxSSfBVBlC76pxqeO+LN3aDfLQo+309xJstO0=
 go.uber.org/multierr v1.11.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN80Y=
-go.uber.org/zap v1.24.0 h1:FiJd5l1UOLj0wCgbSE0rwwXHzEdAZS6hiiSnxJN/D60=
-go.uber.org/zap v1.24.0/go.mod h1:2kMP+WWQ8aoFoedH3T2sq6iJ2yDWpHbP0f6MQbS9Gkg=
-golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
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-golang.org/x/exp v0.0.0-20230425010034-47ecfdc1ba53 h1:5llv2sWeaMSnA3w2kS57ouQQ4pudlXrR0dCgw51QK9o=
-golang.org/x/exp v0.0.0-20230425010034-47ecfdc1ba53/go.mod h1:V1LtkGg67GoY2N1AnLN78QLrzxkLyJw7RJb1gzOOz9w=
-golang.org/x/image v0.0.0-20190823064033-3a9bac650e44/go.mod h1:FeLwcggjj3mMvU+oOTbSwawSJRM1uh48EjtB4UJZlP0=
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-golang.org/x/mod v0.4.2/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
-golang.org/x/mod v0.6.0-dev.0.20220419223038-86c51ed26bb4/go.mod h1:jJ57K6gSWd91VN4djpZkiMVwK6gcyfeH4XE8wZrZaV4=
-golang.org/x/mod v0.9.0 h1:KENHtAZL2y3NLMYZeHY9DW8HW8V+kQyJsY/V9JlKvCs=
-golang.org/x/mod v0.9.0/go.mod h1:iBbtSCu2XBx23ZKBPSOrRkjjQPZFPuis4dIYUhu/chs=
-golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
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-golang.org/x/net v0.0.0-20210405180319-a5a99cb37ef4/go.mod h1:p54w0d4576C0XHj96bSt6lcn1PtDYWL6XObtHCRCNQM=
-golang.org/x/net v0.0.0-20210726213435-c6fcb2dbf985/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
-golang.org/x/net v0.0.0-20220722155237-a158d28d115b/go.mod h1:XRhObCWvk6IyKnWLug+ECip1KBveYUHfp+8e9klMJ9c=
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-golang.org/x/net v0.8.0/go.mod h1:QVkue5JL9kW//ek3r6jTKnTFis1tRmNAW2P1shuFdJc=
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-golang.org/x/sync v0.0.0-20210220032951-036812b2e83c/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20220722155255-886fb9371eb4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
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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 v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
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-golang.org/x/sys v0.0.0-20220722155257-8c9f86f7a55f/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
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-golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ=
-golang.org/x/text v0.7.0/go.mod h1:mrYo+phRRbMaCq/xk9113O4dZlRixOauAjOtrjsXDZ8=
-golang.org/x/text v0.8.0 h1:57P1ETyNKtuIjB4SRd15iJxuhj8Gc416Y78H3qgMh68=
-golang.org/x/text v0.8.0/go.mod h1:e1OnstbJyHTd6l/uOt8jFFHp6TRDWZR/bV3emEE/zU8=
-golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
-golang.org/x/tools v0.0.0-20191119224855-298f0cb1881e/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
-golang.org/x/tools v0.1.6-0.20210726203631-07bc1bf47fb2/go.mod h1:o0xws9oXOQQZyjljx8fwUC0k7L1pTE6eaCbjGeHmOkk=
-golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc=
-golang.org/x/tools v0.7.0 h1:W4OVu8VVOaIO0yzWMNdepAulS7YfoS3Zabrm8DOXXU4=
-golang.org/x/tools v0.7.0/go.mod h1:4pg6aUX35JBAogB10C9AtvVL+qowtN4pT3CGSQex14s=
-golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20191011141410-1b5146add898/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
-golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+go.uber.org/zap v1.27.0 h1:aJMhYGrd5QSmlpLMr2MftRKl7t8J8PTZPA732ud/XR8=
+go.uber.org/zap v1.27.0/go.mod h1:GB2qFLM7cTU87MWRP2mPIjqfIDnGu+VIO4V/SdhGo2E=
+golang.org/x/crypto v0.43.0 h1:dduJYIi3A3KOfdGOHX8AVZ/jGiyPa3IbBozJ5kNuE04=
+golang.org/x/crypto v0.43.0/go.mod h1:BFbav4mRNlXJL4wNeejLpWxB7wMbc79PdRGhWKncxR0=
+golang.org/x/exp v0.0.0-20251009144603-d2f985daa21b h1:18qgiDvlvH7kk8Ioa8Ov+K6xCi0GMvmGfGW0sgd/SYA=
+golang.org/x/exp v0.0.0-20251009144603-d2f985daa21b/go.mod h1:j/pmGrbnkbPtQfxEe5D0VQhZC6qKbfKifgD0oM7sR70=
+golang.org/x/image v0.32.0 h1:6lZQWq75h7L5IWNk0r+SCpUJ6tUVd3v4ZHnbRKLkUDQ=
+golang.org/x/image v0.32.0/go.mod h1:/R37rrQmKXtO6tYXAjtDLwQgFLHmhW+V6ayXlxzP2Pc=
+golang.org/x/mod v0.29.0 h1:HV8lRxZC4l2cr3Zq1LvtOsi/ThTgWnUk/y64QSs8GwA=
+golang.org/x/mod v0.29.0/go.mod h1:NyhrlYXJ2H4eJiRy/WDBO6HMqZQ6q9nk4JzS3NuCK+w=
+golang.org/x/net v0.46.0 h1:giFlY12I07fugqwPuWJi68oOnpfqFnJIJzaIIm2JVV4=
+golang.org/x/net v0.46.0/go.mod h1:Q9BGdFy1y4nkUwiLvT5qtyhAnEHgnQ/zd8PfU6nc210=
+golang.org/x/sync v0.17.0 h1:l60nONMj9l5drqw6jlhIELNv9I0A4OFgRsG9k2oT9Ug=
+golang.org/x/sync v0.17.0/go.mod h1:9KTHXmSnoGruLpwFjVSX0lNNA75CykiMECbovNTZqGI=
+golang.org/x/sys v0.0.0-20200217220822-9197077df867/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20200728102440-3e129f6d46b1/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.37.0 h1:fdNQudmxPjkdUTPnLn5mdQv7Zwvbvpaxqs831goi9kQ=
+golang.org/x/sys v0.37.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
+golang.org/x/text v0.30.0 h1:yznKA/E9zq54KzlzBEAWn1NXSQ8DIp/NYMy88xJjl4k=
+golang.org/x/text v0.30.0/go.mod h1:yDdHFIX9t+tORqspjENWgzaCVXgk0yYnYuSZ8UzzBVM=
+golang.org/x/tools v0.38.0 h1:Hx2Xv8hISq8Lm16jvBZ2VQf+RLmbd7wVUsALibYI/IQ=
+golang.org/x/tools v0.38.0/go.mod h1:yEsQ/d/YK8cjh0L6rZlY8tgtlKiBNTL14pGDJPJpYQs=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
+gopkg.in/yaml.v3 v3.0.1/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=

scanner/scanner.go

@@ -37,7 +37,7 @@ func Init(srv *dnssd.BrowseEntry, logger *zap.SugaredLogger) *Scanner {
 	}
 }
 
-func (s *Scanner) Scan() ([]bytes.Buffer, error) {
+func (s *Scanner) Scan(scanSource string) ([]bytes.Buffer, error) {
 	if s.State != ScannerStateIdle {
 		return nil, fmt.Errorf(s.stateMsg())
 	}
@@ -56,7 +56,7 @@ func (s *Scanner) Scan() ([]bytes.Buffer, error) {
 
 	ss := scanSettings()
 	s.logger.Debugw("Scanner capabilities", "capabilities", scannerCapabilities)
-	if scannerCapabilities.Adf != nil {
+	if scanSource == "Feeder" && scannerCapabilities.Adf != nil {
 		s.logger.Infoln("ADF is available on selected scanner, so using it.")
 		ss.InputSource = "Feeder"
 		if scannerCapabilities.Adf.AdfDuplexInputCaps != nil {
@@ -120,6 +120,23 @@ func scanSettings() *airscan.ScanSettings {
 	return settings
 }
 
+func (s *Scanner) HasADF() (bool, error) {
+	if s.State != ScannerStateIdle {
+		return false, fmt.Errorf(s.stateMsg())
+	}
+
+	cl := airscan.NewClientForService(s.DNSSDBrowseEntry)
+	transport := cl.HTTPClient.(*http.Client).Transport.(*http.Transport)
+	transport.TLSClientConfig = &tls.Config{InsecureSkipVerify: true}
+
+	scannerCapabilities, err := cl.ScannerCapabilities()
+	if err != nil {
+		return false, err
+	}
+
+	return scannerCapabilities.Adf != nil, nil
+}
+
 func (s *Scanner) stateMsg() string {
 	switch s.State {
 	case ScannerStateIdle:

scansession/scansession.go

@@ -20,6 +20,7 @@ type ScanSession struct {
 	finalDir        string
 	filesInScan     [][]byte
 	wroteFinal      bool
+	ScanSource      string
 }
 
 func NewScanSession(userName string, chatID int64, tmpDir, finalDir string) *ScanSession {

tg/settings.go

@@ -0,0 +1,24 @@
+package tg
+
+import (
+	tgbotapi "github.com/go-telegram-bot-api/telegram-bot-api/v5"
+)
+
+const (
+	settings = "⚙️ Settings"
+	back     = "⬅️ Back"
+)
+
+func (t *TG) sendSettingsKeyboard(chatID int64) {
+	msg := tgbotapi.NewMessage(chatID, "Scanner Settings")
+	msg.ParseMode = tgbotapi.ModeMarkdown
+
+	var rows [][]tgbotapi.KeyboardButton
+	rows = append(rows, tgbotapi.NewKeyboardButtonRow(
+		tgbotapi.NewKeyboardButton(back),
+	))
+
+	msg.ReplyMarkup = tgbotapi.NewReplyKeyboard(rows...)
+
+	t.bot.Send(msg)
+}