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make downloads work via stdio (writing to /dev/local triggers download)

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This commit is contained in:
Lisa Milne 2023-11-10 17:11:15 +10:00
parent f740ef7733
commit 4d671e3ba3
2 changed files with 38 additions and 11 deletions
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15
clite/commands.js
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@ -155,14 +155,13 @@ Options:
var d = stdio.readAll(fd);
if (d != null) {
if (download) {
var link = document.createElement("a");
link.target = '_blank';
link.download = fd.node.name;
var blob = new Blob([d], {type: "text/plain"});
link.href = URL.createObjectURL(blob);
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
var ld = stdio.open('/dev/local',false);
if (ld) {
stdio.write(ld,{name:fd.node.name,data:d});
stdio.close(ld);
}else{
io.error('can not write to local device');
}
}else{
io.write(d);
}

34
clite/core.js
View file

@ -84,6 +84,16 @@ var clite = {
callback(data);
});
}
},
download:function(name,data) {
var link = document.createElement("a");
link.target = '_blank';
link.download = name;
var blob = new Blob([data], {type: "text/plain"});
link.href = URL.createObjectURL(blob);
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
}
},
init:function() {
@ -128,7 +138,7 @@ data/about.txt:/usr/share/site/about:0:0:-rw-rw-r--`;
}
n.data.content = data;
n.perms = 'cr--r-----';
n.isdev = true;
n.data.isdev = true;
var fd = clite.io.open('/dev/wfs');
var l;
while ((l = clite.io.readLine(fd)) != null) {
@ -165,7 +175,22 @@ data/about.txt:/usr/share/site/about:0:0:-rw-rw-r--`;
clite.io.close(fd);
// populate /dev (data/filesys.txt is /dev/wfs already)
clite.log.write('Populating /dev');
// TODO: are there any other devices we need?
// writing to /dev/local downloads data {name:'filename to save',data:'file content'}
vfsapi.mkFile('/dev/local');
var n = vfsapi.getNode('/dev/local');
if (!n) {
clite.log.write('local device failure');
return;
}
n.data.content = {
read:null,
write:function(obj) {
clite.core.download(obj.name,obj.data);
return true;
}
};
n.perms = 'crw-rw-rw-';
n.data.isdev = true;
// populate /bin
clite.log.write('Populating /bin');
// create a temporary function to load in commands
@ -424,7 +449,10 @@ clite.io = {
clite.io.write = function(fd,data) {
if (!fd.canwrite)
return false;
if (typeof fd.data.content != 'string')
if (fd.node.data.isdev && typeof data.name === 'string' && typeof data.data === 'string') {
return fd.node.data.content.write(data);
}
if (typeof fd.node.data.content != 'string')
return false;
if (typeof data != 'string')
return false;