124 lines
4.3 KiB
JavaScript
124 lines
4.3 KiB
JavaScript
Tea.context(function () {
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this.downloadSDK = function (platform, event) {
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this.checkAndDownload(platform, "sdk", event)
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}
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this.downloadDoc = function (platform, event) {
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this.checkAndDownload(platform, "doc", event)
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}
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this.checkAndDownload = function (platform, type, event) {
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if (event != null && typeof event.preventDefault == "function") {
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event.preventDefault()
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}
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this.$get("/httpdns/apps/sdk/check")
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.params({
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platform: platform,
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type: type
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})
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.success(function (resp) {
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let data = (resp != null && resp.data != null) ? resp.data : {}
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if (!data.exists) {
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teaweb.warn(data.message || "当前暂无可下载文件")
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return
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}
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if (typeof data.url == "string" && data.url.length > 0) {
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this.downloadByBlob(data.url, platform, type)
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return
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}
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teaweb.warn("下载地址生成失败，请稍后重试")
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}.bind(this))
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}
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this.downloadByBlob = function (url, platform, type) {
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let defaultFileName = "httpdns-sdk-" + platform + (type == "doc" ? ".md" : ".zip")
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let xhr = new XMLHttpRequest()
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xhr.open("GET", url, true)
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xhr.responseType = "blob"
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xhr.onload = function () {
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if (xhr.status < 200 || xhr.status >= 300) {
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teaweb.warn("下载失败（HTTP " + xhr.status + "）")
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return
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}
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if (xhr.status == 204) {
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teaweb.warn("下载被浏览器扩展或下载工具拦截，请暂时关闭相关扩展后重试")
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return
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}
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let contentType = (xhr.getResponseHeader("Content-Type") || "").toLowerCase()
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if (contentType.indexOf("application/json") >= 0) {
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let reader = new FileReader()
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reader.onload = function () {
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try {
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let json = JSON.parse(reader.result)
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teaweb.warn((json && json.message) ? json.message : "下载失败，请稍后重试")
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} catch (_e) {
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teaweb.warn("下载失败，请稍后重试")
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}
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}
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reader.readAsText(xhr.response)
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return
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}
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let disposition = xhr.getResponseHeader("Content-Disposition") || ""
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let fileName = xhr.getResponseHeader("X-SDK-Filename") || this.parseFileName(disposition) || defaultFileName
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if (xhr.response == null || xhr.response.size <= 0) {
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teaweb.warn("下载文件为空，请检查已上传 SDK 包是否完整")
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return
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}
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this.saveBlob(xhr.response, fileName)
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}.bind(this)
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xhr.onerror = function () {
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teaweb.warn("下载失败，请检查网络后重试")
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}
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xhr.send()
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}
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this.parseFileName = function (disposition) {
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if (typeof disposition != "string" || disposition.length == 0) {
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return ""
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}
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let utf8Match = disposition.match(/filename\*=UTF-8''([^;]+)/i)
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if (utf8Match != null && utf8Match.length > 1) {
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try {
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return decodeURIComponent(utf8Match[1])
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} catch (_e) {
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}
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}
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let plainMatch = disposition.match(/filename="?([^";]+)"?/i)
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if (plainMatch != null && plainMatch.length > 1) {
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return plainMatch[1]
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}
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return ""
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}
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this.saveBlob = function (blob, fileName) {
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if (window.navigator != null && typeof window.navigator.msSaveOrOpenBlob == "function") {
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window.navigator.msSaveOrOpenBlob(blob, fileName)
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return
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}
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let objectURL = window.URL.createObjectURL(blob)
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let a = document.createElement("a")
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a.style.display = "none"
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a.href = objectURL
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a.download = fileName
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document.body.appendChild(a)
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a.click()
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setTimeout(function () {
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window.URL.revokeObjectURL(objectURL)
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if (a.parentNode != null) {
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a.parentNode.removeChild(a)
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}
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}, 30000)
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}
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})
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