Mercurial > xmpp-account-manager
annotate avatar.js @ 3:5aa1bf7154b0
Add a simple PEP node viewer and editor.
| author | Emmanuel Gil Peyrot <linkmauve@linkmauve.fr> |
|---|---|
| date | Sat, 22 Dec 2018 02:23:38 +0100 |
| parents | db033e5eabcb |
| children | aedf80eefc19 |
| rev | line source |
|---|---|
| 0 | 1 'use strict'; |
| 2 | |
| 3 function initAvatar(connection) { | |
| 4 const DEFAULT_AVATAR = 'data:image/svg+xml,<?xml version="1.0"?><svg xmlns="http://www.w3.org/2000/svg" version="1.1" viewBox="0 0 150 150"><rect width="150" height="150" fill="#888" stroke-width="1" stroke="#000"/><text x="75" y="100" text-anchor="middle" font-size="100">?</text></svg>'; | |
| 5 | |
| 6 const avatar_data = {}; | |
| 7 const avatar_img = document.getElementById('avatar'); | |
| 8 const avatar_size = document.getElementById('avatar-size'); | |
| 9 const avatar_file = document.getElementById('avatar-file'); | |
| 10 const avatar_upload = document.getElementById('avatar-upload'); | |
| 11 const avatar_change = document.getElementById('avatar-change'); | |
|
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db033e5eabcb
Add pubsub#access_model configuration for avatars.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
1
diff
changeset
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12 const avatar_access = document.getElementById('avatar-access'); |
| 0 | 13 |
| 14 avatar_img.src = DEFAULT_AVATAR; | |
| 15 const iq = $iq({type: 'get'}) | |
| 16 .c('pubsub', {xmlns: 'http://jabber.org/protocol/pubsub'}) | |
| 17 .c('items', {node: 'urn:xmpp:avatar:metadata'}); | |
| 18 connection.sendIQ(iq, onAvatarMetadata, onAvatarRetrievalError.bind(null, 'PubSub metadata query failed.')); | |
| 19 | |
| 20 function onAvatarMetadata(result_iq) | |
| 21 { | |
| 22 const item = parseXPath(result_iq, './pubsub:pubsub/pubsub:items/pubsub:item'); | |
| 23 if (item == null) | |
| 24 return onAvatarRetrievalError('no item found.'); | |
| 25 const id = item.getAttributeNS(null, 'id'); | |
| 26 const info = parseXPath(item, './avatar_metadata:metadata/avatar_metadata:info'); | |
| 27 if (info == null) | |
| 28 return onAvatarRetrievalError('no info found, your avatar metadata node is broken.'); | |
| 29 if (id != info.getAttributeNS(null, 'id')) | |
| 30 return onAvatarRetrievalError('invalid id in metadata.'); | |
| 31 | |
| 32 const parsed_info = { | |
| 33 id: id, | |
| 34 type: info.getAttributeNS(null, 'type'), | |
| 35 bytes: info.getAttributeNS(null, 'bytes'), | |
| 36 width: info.getAttributeNS(null, 'width'), | |
| 37 height: info.getAttributeNS(null, 'height'), | |
| 38 }; | |
| 39 const iq = $iq({type: 'get'}) | |
| 40 .c('pubsub', {xmlns: 'http://jabber.org/protocol/pubsub'}) | |
| 41 .c('items', {node: 'urn:xmpp:avatar:data'}) | |
| 42 .c('item', {id: id}); | |
| 43 connection.sendIQ(iq, onAvatarData.bind(null, parsed_info), onAvatarRetrievalError.bind(null, 'PubSub data query failed.')); | |
| 44 } | |
| 45 | |
| 46 function onAvatarData(info, result_iq) | |
| 47 { | |
| 48 const item = parseXPath(result_iq, './pubsub:pubsub/pubsub:items/pubsub:item'); | |
| 49 if (item == null) | |
| 50 return onAvatarRetrievalError('no item found.'); | |
| 51 if (info.id != item.getAttributeNS(null, 'id')) | |
| 52 return onAvatarRetrievalError('invalid id in data.'); | |
| 53 | |
| 54 const data = parseXPath(item, './avatar_data:data').textContent; | |
| 55 const url = 'data:' + info.type + ';base64,' + data; | |
| 56 // TODO: validate the bytes too. | |
| 57 /* | |
| 58 // TODO: figure out why this didn’t work. | |
| 59 avatar_img.onload = function (evt) { | |
| 60 const img = evt.target; | |
| 61 if (img.naturalWidth != info.width || img.naturalHeight != info.height) | |
| 62 return onAvatarRetrievalError('invalid width or height in image data.'); | |
| 63 avatar_img.onload = null; | |
| 64 }; | |
| 65 */ | |
| 66 avatar_img.src = url; | |
| 67 } | |
| 68 | |
| 69 function onAvatarRetrievalError(string) | |
| 70 { | |
| 71 console.log('Failed to retrieve avatar, an empty one is displayed instead: ' + string); | |
| 72 avatar_img.src = DEFAULT_AVATAR; | |
| 73 } | |
| 74 | |
| 75 avatar_upload.addEventListener('click', function (evt) { | |
| 76 avatar_file.click(); | |
| 77 }); | |
| 78 | |
| 79 avatar_change.addEventListener('click', function (evt) { | |
| 80 const metadata_iq = $iq({type: 'set'}) | |
| 81 .c('pubsub', {xmlns: 'http://jabber.org/protocol/pubsub'}) | |
| 82 .c('publish', {node: 'urn:xmpp:avatar:metadata'}) | |
| 83 .c('item', {id: avatar_data.id}) | |
| 84 .c('metadata', {xmlns: 'urn:xmpp:avatar:metadata'}) | |
| 85 .c('info', { | |
| 86 id: avatar_data.id, | |
| 87 type: avatar_data.type, | |
| 88 bytes: avatar_data.bytes, | |
| 89 width: avatar_img.naturalWidth, | |
| 90 height: avatar_img.naturalHeight, | |
| 91 }); | |
| 92 connection.sendIQ(metadata_iq, onAvatarMetadataUpload, onAvatarUploadError); | |
| 93 const data_iq = $iq({type: 'set'}) | |
| 94 .c('pubsub', {xmlns: 'http://jabber.org/protocol/pubsub'}) | |
| 95 .c('publish', {node: 'urn:xmpp:avatar:data'}) | |
| 96 .c('item', {id: avatar_data.id}) | |
| 97 .c('data', {xmlns: 'urn:xmpp:avatar:data'}) | |
| 98 .t(avatar_data.data); | |
| 99 connection.sendIQ(data_iq, onAvatarDataUpload, onAvatarUploadError); | |
| 100 }); | |
| 101 | |
| 102 function onAvatarMetadataUpload(iq) | |
| 103 { | |
| 104 console.log("onAvatarMetadataUpload", iq); | |
| 105 } | |
| 106 | |
| 107 function onAvatarDataUpload(iq) | |
| 108 { | |
| 109 console.log('Avatar successfully uploaded!', iq); | |
| 110 avatar_change.disabled = true; | |
| 111 avatar_size.innerHTML = ''; | |
| 112 } | |
| 113 | |
| 114 function onAvatarUploadError(iq) | |
| 115 { | |
| 116 console.log("onAvatarUploadError", iq); | |
| 117 } | |
| 118 | |
| 119 avatar_file.addEventListener('change', function (evt) { | |
| 120 const file = evt.target.files[0]; | |
| 121 avatar_data.type = file.type; | |
| 122 avatar_data.bytes = file.size; | |
| 123 | |
| 124 // Set the preview. | |
| 125 avatar_img.src = URL.createObjectURL(file); | |
| 126 const [size, unit] = friendlyDataSize(file.size); | |
| 127 avatar_size.innerHTML = Math.round(size) + ' ' + unit; | |
| 128 | |
| 129 // Obtain the base64 version of this file. | |
| 130 const base64_reader = new FileReader(); | |
| 131 base64_reader.onload = function (evt) { | |
| 132 const data = evt.target.result; | |
| 133 avatar_data.data = data.substr(data.indexOf(',') + 1); | |
| 134 } | |
| 135 base64_reader.readAsDataURL(file); | |
| 136 | |
| 137 // Compute the sha1 of this file. | |
| 138 const sha1_reader = new FileReader(); | |
| 139 sha1_reader.onload = async function (evt) { | |
| 140 const data = evt.target.result; | |
| 141 const digest = await window.crypto.subtle.digest('SHA-1', data); | |
| 142 const sha1 = (Array | |
| 143 .from(new Uint8Array(digest)) | |
| 144 .map(b => b.toString(16).padStart(2, "0")) | |
| 145 .join("")); | |
| 146 avatar_data.id = sha1; | |
| 147 avatar_change.disabled = false; | |
| 148 } | |
| 149 sha1_reader.readAsArrayBuffer(file); | |
| 150 }); | |
| 151 | |
| 152 function friendlyDataSize(bytes) { | |
| 153 let unit = 'B' | |
| 154 if (bytes >= 1024) { | |
| 155 bytes /= 1024; | |
| 156 unit = 'KiB'; | |
| 157 } | |
| 158 if (bytes >= 1024) { | |
| 159 bytes /= 1024; | |
| 160 unit = 'MiB'; | |
| 161 } | |
| 162 if (bytes >= 1024) { | |
| 163 bytes /= 1024; | |
| 164 unit = 'GiB'; | |
| 165 } | |
| 166 if (bytes >= 1024) { | |
| 167 bytes /= 1024; | |
| 168 unit = 'TiB'; | |
| 169 } | |
| 170 return [bytes, unit]; | |
| 171 } | |
|
2
db033e5eabcb
Add pubsub#access_model configuration for avatars.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
1
diff
changeset
|
172 |
|
db033e5eabcb
Add pubsub#access_model configuration for avatars.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
1
diff
changeset
|
173 avatar_access.addEventListener('change', function (evt) { |
|
3
5aa1bf7154b0
Add a simple PEP node viewer and editor.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
2
diff
changeset
|
174 const iq = configurePEPField('urn:xmpp:avatar:metadata', 'pubsub#access_model', evt.target.value); |
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2
db033e5eabcb
Add pubsub#access_model configuration for avatars.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
1
diff
changeset
|
175 connection.sendIQ(iq, onAvatarConfigured, onAvatarConfigureError.bind(null, 'PubSub configuration failed.')); |
|
db033e5eabcb
Add pubsub#access_model configuration for avatars.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
1
diff
changeset
|
176 }); |
|
db033e5eabcb
Add pubsub#access_model configuration for avatars.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
1
diff
changeset
|
177 |
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db033e5eabcb
Add pubsub#access_model configuration for avatars.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
1
diff
changeset
|
178 function onAvatarConfigured(result_iq) |
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db033e5eabcb
Add pubsub#access_model configuration for avatars.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
1
diff
changeset
|
179 { |
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db033e5eabcb
Add pubsub#access_model configuration for avatars.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
1
diff
changeset
|
180 console.log('Successfully set avatar access model.') |
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db033e5eabcb
Add pubsub#access_model configuration for avatars.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
1
diff
changeset
|
181 } |
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db033e5eabcb
Add pubsub#access_model configuration for avatars.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
1
diff
changeset
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182 |
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db033e5eabcb
Add pubsub#access_model configuration for avatars.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
1
diff
changeset
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183 function onAvatarConfigureError(string) |
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db033e5eabcb
Add pubsub#access_model configuration for avatars.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
1
diff
changeset
|
184 { |
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db033e5eabcb
Add pubsub#access_model configuration for avatars.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
1
diff
changeset
|
185 console.log('Failed to configure avatar node: ' + string); |
|
db033e5eabcb
Add pubsub#access_model configuration for avatars.
Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
parents:
1
diff
changeset
|
186 } |
| 0 | 187 } |