diff --git a/Cargo.lock b/Cargo.lock
index a409eb2..2b16798 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -113,8 +113,8 @@ version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b4ca8ce00b267af8ccebbd647de0d61e0674b6e61185cc7a592ff88772bed655"
 dependencies = [
- "quote",
- "syn",
+ "quote 1.0.9",
+ "syn 1.0.60",
 ]
 
 [[package]]
@@ -315,9 +315,9 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ad26f77093333e0e7c6ffe54ebe3582d908a104e448723eec6d43d08b07143fb"
 dependencies = [
- "proc-macro2",
- "quote",
- "syn",
+ "proc-macro2 1.0.24",
+ "quote 1.0.9",
+ "syn 1.0.60",
 ]
 
 [[package]]
@@ -326,9 +326,9 @@ version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b95aceadaf327f18f0df5962fedc1bde2f870566a0b9f65c89508a3b1f79334c"
 dependencies = [
- "proc-macro2",
- "quote",
- "syn",
+ "proc-macro2 1.0.24",
+ "quote 1.0.9",
+ "syn 1.0.60",
 ]
 
 [[package]]
@@ -416,11 +416,17 @@ version = "0.1.42"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8d3a45e77e34375a7923b1e8febb049bb011f064714a8e17a1a616fef01da13d"
 dependencies = [
- "proc-macro2",
- "quote",
- "syn",
+ "proc-macro2 1.0.24",
+ "quote 1.0.9",
+ "syn 1.0.60",
 ]
 
+[[package]]
+name = "autocfg"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1d49d90015b3c36167a20fe2810c5cd875ad504b39cff3d4eae7977e6b7c1cb2"
+
 [[package]]
 name = "autocfg"
 version = "1.0.1"
@@ -702,6 +708,15 @@ dependencies = [
  "generic-array 0.14.4",
 ]
 
+[[package]]
+name = "cloudabi"
+version = "0.0.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ddfc5b9aa5d4507acaf872de71051dfd0e309860e88966e1051e462a077aac4f"
+dependencies = [
+ "bitflags",
+]
+
 [[package]]
 name = "color_quant"
 version = "1.1.0"
@@ -739,6 +754,7 @@ dependencies = [
  "serde",
  "serde_json",
  "sha1",
+ "webpage",
  "webrtc-sdp",
  "yaml-rust",
  "zip",
@@ -849,7 +865,7 @@ version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c3c7c73a2d1e9fc0886a08b93e98eb643461230d5f1925e4036204d5f2e261a8"
 dependencies = [
- "autocfg",
+ "autocfg 1.0.1",
  "cfg-if 0.1.10",
  "lazy_static",
 ]
@@ -860,11 +876,41 @@ version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "02d96d1e189ef58269ebe5b97953da3274d83a93af647c2ddd6f9dab28cedb8d"
 dependencies = [
- "autocfg",
+ "autocfg 1.0.1",
  "cfg-if 1.0.0",
  "lazy_static",
 ]
 
+[[package]]
+name = "curl"
+version = "0.4.34"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e268162af1a5fe89917ae25ba3b0a77c8da752bdc58e7dbb4f15b91fbd33756e"
+dependencies = [
+ "curl-sys",
+ "libc",
+ "openssl-probe",
+ "openssl-sys",
+ "schannel",
+ "socket2",
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "curl-sys"
+version = "0.4.40+curl-7.75.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2ffafc1c35958318bd7fdd0582995ce4c72f4f461a8e70499ccee83a619fd562"
+dependencies = [
+ "cc",
+ "libc",
+ "libz-sys",
+ "openssl-sys",
+ "pkg-config",
+ "vcpkg",
+ "winapi 0.3.9",
+]
+
 [[package]]
 name = "dashmap"
 version = "4.0.2"
@@ -891,9 +937,9 @@ version = "0.99.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "41cb0e6161ad61ed084a36ba71fbba9e3ac5aee3606fb607fe08da6acbcf3d8c"
 dependencies = [
- "proc-macro2",
- "quote",
- "syn",
+ "proc-macro2 1.0.24",
+ "quote 1.0.9",
+ "syn 1.0.60",
 ]
 
 [[package]]
@@ -902,9 +948,9 @@ version = "0.11.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "532b4c15dccee12c7044f1fcad956e98410860b22231e44a3b827464797ca7bf"
 dependencies = [
- "proc-macro2",
- "quote",
- "syn",
+ "proc-macro2 1.0.24",
+ "quote 1.0.9",
+ "syn 1.0.60",
 ]
 
 [[package]]
@@ -959,9 +1005,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7c5f0096a91d210159eceb2ff5e1c4da18388a170e1e3ce948aac9c8fdbbf595"
 dependencies = [
  "heck",
- "proc-macro2",
- "quote",
- "syn",
+ "proc-macro2 1.0.24",
+ "quote 1.0.9",
+ "syn 1.0.60",
 ]
 
 [[package]]
@@ -1023,6 +1069,12 @@ dependencies = [
  "percent-encoding",
 ]
 
+[[package]]
+name = "fuchsia-cprng"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a06f77d526c1a601b7c4cdd98f54b5eaabffc14d5f2f0296febdc7f357c6d3ba"
+
 [[package]]
 name = "fuchsia-zircon"
 version = "0.3.3"
@@ -1039,6 +1091,16 @@ version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3dcaa9ae7725d12cdb85b3ad99a434db70b468c09ded17e012d86b5c1010f7a7"
 
+[[package]]
+name = "futf"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7c9c1ce3fa9336301af935ab852c437817d14cd33690446569392e65170aac3b"
+dependencies = [
+ "mac",
+ "new_debug_unreachable",
+]
+
 [[package]]
 name = "futures"
 version = "0.3.12"
@@ -1094,9 +1156,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c287d25add322d9f9abdcdc5927ca398917996600182178774032e9f8258fedd"
 dependencies = [
  "proc-macro-hack",
- "proc-macro2",
- "quote",
- "syn",
+ "proc-macro2 1.0.24",
+ "quote 1.0.9",
+ "syn 1.0.60",
 ]
 
 [[package]]
@@ -1284,6 +1346,20 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
+[[package]]
+name = "html5ever"
+version = "0.22.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c213fa6a618dc1da552f54f85cba74b05d8e883c92ec4e89067736938084c26e"
+dependencies = [
+ "log",
+ "mac",
+ "markup5ever",
+ "proc-macro2 0.4.30",
+ "quote 0.6.13",
+ "syn 0.15.44",
+]
+
 [[package]]
 name = "http"
 version = "0.2.3"
@@ -1390,7 +1466,7 @@ version = "1.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4fb1fa934250de4de8aef298d81c729a7d33d8c239daa3a7575e6b92bfc7313b"
 dependencies = [
- "autocfg",
+ "autocfg 1.0.1",
  "hashbrown",
 ]
 
@@ -1418,10 +1494,10 @@ version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "94534fd32a986dd34d97ddefe5198630d5ed99efd4e9b9b9ed4359e6b23a9cf7"
 dependencies = [
- "autocfg",
+ "autocfg 1.0.1",
  "derive_utils",
- "quote",
- "syn",
+ "quote 1.0.9",
+ "syn 1.0.60",
 ]
 
 [[package]]
@@ -1604,6 +1680,12 @@ version = "0.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7d947cbb889ed21c2a84be6ffbaebf5b4e0f4340638cba0444907e38b56be084"
 
+[[package]]
+name = "mac"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c41e0c4fef86961ac6d6f8a82609f55f31b05e4fce149ac5710e439df7619ba4"
+
 [[package]]
 name = "mailchecker"
 version = "4.0.3"
@@ -1613,6 +1695,22 @@ dependencies = [
  "fast_chemail",
 ]
 
+[[package]]
+name = "markup5ever"
+version = "0.7.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "897636f9850c3eef4905a5540683ed53dc9393860f0846cab2c2ddf9939862ff"
+dependencies = [
+ "phf",
+ "phf_codegen",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "string_cache",
+ "string_cache_codegen",
+ "tendril",
+]
+
 [[package]]
 name = "match_cfg"
 version = "0.1.0"
@@ -1649,7 +1747,7 @@ version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "157b4208e3059a8f9e78d559edc658e13df41410cb3ae03979c83130067fdd87"
 dependencies = [
- "autocfg",
+ "autocfg 1.0.1",
 ]
 
 [[package]]
@@ -1684,7 +1782,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0f2d26ec3309788e423cfbf68ad1800f061638098d76a83681af979dc4eda19d"
 dependencies = [
  "adler",
- "autocfg",
+ "autocfg 1.0.1",
 ]
 
 [[package]]
@@ -1868,6 +1966,12 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
+[[package]]
+name = "new_debug_unreachable"
+version = "1.0.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e4a24736216ec316047a1fc4252e27dabb04218aa4a3f37c6e7ddbf1f9782b54"
+
 [[package]]
 name = "nix"
 version = "0.19.1"
@@ -1895,7 +1999,7 @@ version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "090c7f9998ee0ff65aa5b723e4009f7b217707f1fb5ea551329cc4d6231fb304"
 dependencies = [
- "autocfg",
+ "autocfg 1.0.1",
  "num-integer",
  "num-traits",
 ]
@@ -1906,7 +2010,7 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5e9a41747ae4633fce5adffb4d2e81ffc5e89593cb19917f8fb2cc5ff76507bf"
 dependencies = [
- "autocfg",
+ "autocfg 1.0.1",
  "num-integer",
  "num-traits",
 ]
@@ -1917,7 +2021,7 @@ version = "0.1.44"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d2cc698a63b549a70bc047073d2949cce27cd1c7b0a4a862d08a8031bc2801db"
 dependencies = [
- "autocfg",
+ "autocfg 1.0.1",
  "num-traits",
 ]
 
@@ -1927,7 +2031,7 @@ version = "0.1.42"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b2021c8337a54d21aca0d59a92577a029af9431cb59b909b03252b9c164fad59"
 dependencies = [
- "autocfg",
+ "autocfg 1.0.1",
  "num-integer",
  "num-traits",
 ]
@@ -1938,7 +2042,7 @@ version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "12ac428b1cb17fce6f731001d307d351ec70a6d202fc2e60f7d4c5e42d8f4f07"
 dependencies = [
- "autocfg",
+ "autocfg 1.0.1",
  "num-bigint 0.3.1",
  "num-integer",
  "num-traits",
@@ -1951,7 +2055,7 @@ version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9a64b1ec5cda2586e284722486d802acf1f7dbdc623e2bfc57e65ca1cd099290"
 dependencies = [
- "autocfg",
+ "autocfg 1.0.1",
 ]
 
 [[package]]
@@ -2014,7 +2118,7 @@ version = "0.9.60"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "921fc71883267538946025deffb622905ecad223c28efbfdef9bb59a0175f3e6"
 dependencies = [
- "autocfg",
+ "autocfg 1.0.1",
  "cc",
  "libc",
  "pkg-config",
@@ -2084,9 +2188,9 @@ version = "0.1.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "569e13b4029f16a3b2cb041584efbc5998756f471048b4b7513b5a659b47c700"
 dependencies = [
- "proc-macro2",
- "quote",
- "syn",
+ "proc-macro2 1.0.24",
+ "quote 1.0.9",
+ "syn 1.0.60",
 ]
 
 [[package]]
@@ -2106,6 +2210,44 @@ version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d4fd5641d01c8f18a23da7b6fe29298ff4b55afcccdf78973b24cf3175fee32e"
 
+[[package]]
+name = "phf"
+version = "0.7.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b3da44b85f8e8dfaec21adae67f95d93244b2ecf6ad2a692320598dcc8e6dd18"
+dependencies = [
+ "phf_shared",
+]
+
+[[package]]
+name = "phf_codegen"
+version = "0.7.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b03e85129e324ad4166b06b2c7491ae27fe3ec353af72e72cd1654c7225d517e"
+dependencies = [
+ "phf_generator",
+ "phf_shared",
+]
+
+[[package]]
+name = "phf_generator"
+version = "0.7.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "09364cc93c159b8b06b1f4dd8a4398984503483891b0c26b867cf431fb132662"
+dependencies = [
+ "phf_shared",
+ "rand 0.6.5",
+]
+
+[[package]]
+name = "phf_shared"
+version = "0.7.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "234f71a15de2288bcb7e3b6515828d22af7ec8598ee6d24c3b526fa0a80b67a0"
+dependencies = [
+ "siphasher",
+]
+
 [[package]]
 name = "pin-project"
 version = "0.4.27"
@@ -2130,9 +2272,9 @@ version = "0.4.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "65ad2ae56b6abe3a1ee25f15ee605bacadb9a764edaba9c2bf4103800d4a1895"
 dependencies = [
- "proc-macro2",
- "quote",
- "syn",
+ "proc-macro2 1.0.24",
+ "quote 1.0.9",
+ "syn 1.0.60",
 ]
 
 [[package]]
@@ -2141,9 +2283,9 @@ version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "758669ae3558c6f74bd2a18b41f7ac0b5a195aea6639d6a9b5e5d1ad5ba24c0b"
 dependencies = [
- "proc-macro2",
- "quote",
- "syn",
+ "proc-macro2 1.0.24",
+ "quote 1.0.9",
+ "syn 1.0.60",
 ]
 
 [[package]]
@@ -2188,6 +2330,12 @@ version = "0.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ac74c624d6b2d21f425f752262f42188365d7b8ff1aff74c82e45136510a4857"
 
+[[package]]
+name = "precomputed-hash"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "925383efa346730478fb4838dbe9137d2a47675ad789c546d150a6e1dd4ab31c"
+
 [[package]]
 name = "proc-macro-hack"
 version = "0.5.19"
@@ -2200,13 +2348,22 @@ version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bc881b2c22681370c6a780e47af9840ef841837bc98118431d4e1868bd0c1086"
 
+[[package]]
+name = "proc-macro2"
+version = "0.4.30"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cf3d2011ab5c909338f7887f4fc896d35932e29146c12c8d01da6b22a80ba759"
+dependencies = [
+ "unicode-xid 0.1.0",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "1.0.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1e0704ee1a7e00d7bb417d0770ea303c1bccbabf0ef1667dae92b5967f5f8a71"
 dependencies = [
- "unicode-xid",
+ "unicode-xid 0.2.1",
 ]
 
 [[package]]
@@ -2215,13 +2372,41 @@ version = "1.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
 
+[[package]]
+name = "quote"
+version = "0.6.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6ce23b6b870e8f94f81fb0a363d65d86675884b34a09043c81e5562f11c1f8e1"
+dependencies = [
+ "proc-macro2 0.4.30",
+]
+
 [[package]]
 name = "quote"
 version = "1.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c3d0b9745dc2debf507c8422de05d7226cc1f0644216dfdfead988f9b1ab32a7"
 dependencies = [
- "proc-macro2",
+ "proc-macro2 1.0.24",
+]
+
+[[package]]
+name = "rand"
+version = "0.6.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6d71dacdc3c88c1fde3885a3be3fbab9f35724e6ce99467f7d9c5026132184ca"
+dependencies = [
+ "autocfg 0.1.7",
+ "libc",
+ "rand_chacha 0.1.1",
+ "rand_core 0.4.2",
+ "rand_hc 0.1.0",
+ "rand_isaac",
+ "rand_jitter",
+ "rand_os",
+ "rand_pcg",
+ "rand_xorshift",
+ "winapi 0.3.9",
 ]
 
 [[package]]
@@ -2249,6 +2434,16 @@ dependencies = [
  "rand_hc 0.3.0",
 ]
 
+[[package]]
+name = "rand_chacha"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "556d3a1ca6600bfcbab7c7c91ccb085ac7fbbcd70e008a98742e7847f4f7bcef"
+dependencies = [
+ "autocfg 0.1.7",
+ "rand_core 0.3.1",
+]
+
 [[package]]
 name = "rand_chacha"
 version = "0.2.2"
@@ -2269,6 +2464,21 @@ dependencies = [
  "rand_core 0.6.2",
 ]
 
+[[package]]
+name = "rand_core"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a6fdeb83b075e8266dcc8762c22776f6877a63111121f5f8c7411e5be7eed4b"
+dependencies = [
+ "rand_core 0.4.2",
+]
+
+[[package]]
+name = "rand_core"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c33a3c44ca05fa6f1807d8e6743f3824e8509beca625669633be0acbdf509dc"
+
 [[package]]
 name = "rand_core"
 version = "0.5.1"
@@ -2287,6 +2497,15 @@ dependencies = [
  "getrandom 0.2.2",
 ]
 
+[[package]]
+name = "rand_hc"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7b40677c7be09ae76218dc623efbf7b18e34bced3f38883af07bb75630a21bc4"
+dependencies = [
+ "rand_core 0.3.1",
+]
+
 [[package]]
 name = "rand_hc"
 version = "0.2.0"
@@ -2305,13 +2524,66 @@ dependencies = [
  "rand_core 0.6.2",
 ]
 
+[[package]]
+name = "rand_isaac"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ded997c9d5f13925be2a6fd7e66bf1872597f759fd9dd93513dd7e92e5a5ee08"
+dependencies = [
+ "rand_core 0.3.1",
+]
+
+[[package]]
+name = "rand_jitter"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1166d5c91dc97b88d1decc3285bb0a99ed84b05cfd0bc2341bdf2d43fc41e39b"
+dependencies = [
+ "libc",
+ "rand_core 0.4.2",
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "rand_os"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7b75f676a1e053fc562eafbb47838d67c84801e38fc1ba459e8f180deabd5071"
+dependencies = [
+ "cloudabi",
+ "fuchsia-cprng",
+ "libc",
+ "rand_core 0.4.2",
+ "rdrand",
+ "winapi 0.3.9",
+]
+
+[[package]]
+name = "rand_pcg"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "abf9b09b01790cfe0364f52bf32995ea3c39f4d2dd011eac241d2914146d0b44"
+dependencies = [
+ "autocfg 0.1.7",
+ "rand_core 0.4.2",
+]
+
+[[package]]
+name = "rand_xorshift"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cbf7e9e623549b0e21f6e97cf8ecf247c1a8fd2e8a992ae265314300b2455d5c"
+dependencies = [
+ "rand_core 0.3.1",
+]
+
 [[package]]
 name = "rayon"
 version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8b0d8e0819fadc20c74ea8373106ead0600e3a67ef1fe8da56e39b9ae7275674"
 dependencies = [
- "autocfg",
+ "autocfg 1.0.1",
  "crossbeam-deque",
  "either",
  "rayon-core",
@@ -2330,6 +2602,15 @@ dependencies = [
  "num_cpus",
 ]
 
+[[package]]
+name = "rdrand"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "678054eb77286b51581ba43620cc911abf02758c91f93f479767aed0f90458b2"
+dependencies = [
+ "rand_core 0.3.1",
+]
+
 [[package]]
 name = "redox_syscall"
 version = "0.2.5"
@@ -2518,9 +2799,9 @@ version = "1.0.123"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9391c295d64fc0abb2c556bad848f33cb8296276b1ad2677d1ae1ace4f258f31"
 dependencies = [
- "proc-macro2",
- "quote",
- "syn",
+ "proc-macro2 1.0.24",
+ "quote 1.0.9",
+ "syn 1.0.60",
 ]
 
 [[package]]
@@ -2599,6 +2880,12 @@ dependencies = [
  "libc",
 ]
 
+[[package]]
+name = "siphasher"
+version = "0.2.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b8de496cf83d4ed58b6be86c3a275b8602f6ffe98d3024a869e124147a9a3ac"
+
 [[package]]
 name = "slab"
 version = "0.4.2"
@@ -2627,9 +2914,9 @@ version = "0.6.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1508efa03c362e23817f96cde18abed596a25219a8b2c66e8db33c03543d315b"
 dependencies = [
- "proc-macro2",
- "quote",
- "syn",
+ "proc-macro2 1.0.24",
+ "quote 1.0.9",
+ "syn 1.0.60",
 ]
 
 [[package]]
@@ -2678,11 +2965,11 @@ version = "0.5.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c87a60a40fccc84bef0652345bbbbbe20a605bf5d0ce81719fc476f5c03b50ef"
 dependencies = [
- "proc-macro2",
- "quote",
+ "proc-macro2 1.0.24",
+ "quote 1.0.9",
  "serde",
  "serde_derive",
- "syn",
+ "syn 1.0.60",
 ]
 
 [[package]]
@@ -2692,13 +2979,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "58fa5ff6ad0d98d1ffa8cb115892b6e69d67799f6763e162a1c9db421dc22e11"
 dependencies = [
  "base-x",
- "proc-macro2",
- "quote",
+ "proc-macro2 1.0.24",
+ "quote 1.0.9",
  "serde",
  "serde_derive",
  "serde_json",
  "sha1",
- "syn",
+ "syn 1.0.60",
 ]
 
 [[package]]
@@ -2707,6 +2994,40 @@ version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "213701ba3370744dcd1a12960caa4843b3d68b4d1c0a5d575e0d65b2ee9d16c0"
 
+[[package]]
+name = "string_cache"
+version = "0.7.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "89c058a82f9fd69b1becf8c274f412281038877c553182f1d02eb027045a2d67"
+dependencies = [
+ "lazy_static",
+ "new_debug_unreachable",
+ "phf_shared",
+ "precomputed-hash",
+ "serde",
+ "string_cache_codegen",
+ "string_cache_shared",
+]
+
+[[package]]
+name = "string_cache_codegen"
+version = "0.4.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f0f45ed1b65bf9a4bf2f7b7dc59212d1926e9eaf00fa998988e420fd124467c6"
+dependencies = [
+ "phf_generator",
+ "phf_shared",
+ "proc-macro2 1.0.24",
+ "quote 1.0.9",
+ "string_cache_shared",
+]
+
+[[package]]
+name = "string_cache_shared"
+version = "0.3.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b1884d1bc09741d466d9b14e6d37ac89d6909cbcac41dd9ae982d4d063bbedfc"
+
 [[package]]
 name = "stringprep"
 version = "0.1.2"
@@ -2717,15 +3038,26 @@ dependencies = [
  "unicode-normalization",
 ]
 
+[[package]]
+name = "syn"
+version = "0.15.44"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9ca4b3b69a77cbe1ffc9e198781b7acb0c7365a883670e8f1c1bc66fba79a5c5"
+dependencies = [
+ "proc-macro2 0.4.30",
+ "quote 0.6.13",
+ "unicode-xid 0.1.0",
+]
+
 [[package]]
 name = "syn"
 version = "1.0.60"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c700597eca8a5a762beb35753ef6b94df201c81cca676604f547495a0d7f0081"
 dependencies = [
- "proc-macro2",
- "quote",
- "unicode-xid",
+ "proc-macro2 1.0.24",
+ "quote 1.0.9",
+ "unicode-xid 0.2.1",
 ]
 
 [[package]]
@@ -2742,6 +3074,17 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
+[[package]]
+name = "tendril"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a9ef557cb397a4f0a5a3a628f06515f78563f2209e64d47055d9dc6052bf5e33"
+dependencies = [
+ "futf",
+ "mac",
+ "utf-8",
+]
+
 [[package]]
 name = "thiserror"
 version = "1.0.24"
@@ -2757,9 +3100,9 @@ version = "1.0.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7765189610d8241a44529806d6fd1f2e0a08734313a35d5b3a556f92b381f3c0"
 dependencies = [
- "proc-macro2",
- "quote",
- "syn",
+ "proc-macro2 1.0.24",
+ "quote 1.0.9",
+ "syn 1.0.60",
 ]
 
 [[package]]
@@ -2834,10 +3177,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e5c3be1edfad6027c69f5491cf4cb310d1a71ecd6af742788c6ff8bced86b8fa"
 dependencies = [
  "proc-macro-hack",
- "proc-macro2",
- "quote",
+ "proc-macro2 1.0.24",
+ "quote 1.0.9",
  "standback",
- "syn",
+ "syn 1.0.60",
 ]
 
 [[package]]
@@ -2882,7 +3225,7 @@ version = "1.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e8190d04c665ea9e6b6a0dc45523ade572c088d2e6566244c1122671dbf4ae3a"
 dependencies = [
- "autocfg",
+ "autocfg 1.0.1",
  "bytes 1.0.1",
  "libc",
  "memchr",
@@ -3079,6 +3422,12 @@ version = "1.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bb0d2e7be6ae3a5fa87eed5fb451aff96f2573d2694942e40543ae0bbe19c796"
 
+[[package]]
+name = "unicode-xid"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
+
 [[package]]
 name = "unicode-xid"
 version = "0.2.1"
@@ -3097,6 +3446,12 @@ dependencies = [
  "percent-encoding",
 ]
 
+[[package]]
+name = "utf-8"
+version = "0.7.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "05e42f7c18b8f902290b009cde6d651262f956c98bc51bca4cd1d511c9cd85c7"
+
 [[package]]
 name = "uuid"
 version = "0.8.2"
@@ -3158,9 +3513,9 @@ dependencies = [
  "bumpalo",
  "lazy_static",
  "log",
- "proc-macro2",
- "quote",
- "syn",
+ "proc-macro2 1.0.24",
+ "quote 1.0.9",
+ "syn 1.0.60",
  "wasm-bindgen-shared",
 ]
 
@@ -3182,7 +3537,7 @@ version = "0.2.70"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3b8853882eef39593ad4174dd26fc9865a64e84026d223f63bb2c42affcbba2c"
 dependencies = [
- "quote",
+ "quote 1.0.9",
  "wasm-bindgen-macro-support",
 ]
 
@@ -3192,9 +3547,9 @@ version = "0.2.70"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4133b5e7f2a531fa413b3a1695e925038a05a71cf67e87dafa295cb645a01385"
 dependencies = [
- "proc-macro2",
- "quote",
- "syn",
+ "proc-macro2 1.0.24",
+ "quote 1.0.9",
+ "syn 1.0.60",
  "wasm-bindgen-backend",
  "wasm-bindgen-shared",
 ]
@@ -3215,6 +3570,17 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "webpage"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c43e3b084108bb83f9db80ca0e2f7485b508f01b2103c106450ee5b1d259bae1"
+dependencies = [
+ "curl",
+ "html5ever",
+ "serde_json",
+]
+
 [[package]]
 name = "webrtc-sdp"
 version = "0.3.8"
diff --git a/Cargo.toml b/Cargo.toml
index df8fb15..1d2e6f9 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -36,4 +36,5 @@ webrtc-sdp = "0.3.8"
 bcrypt = "0.9.0"
 mp3-metadata = "0.3.3"
 mp4 = "0.8.1"
-zip = "0.5.10"
\ No newline at end of file
+zip = "0.5.10"
+webpage = "1.2.0"
\ No newline at end of file
diff --git a/src/controllers/posts_controller.rs b/src/controllers/posts_controller.rs
index c5e3321..f1dff7f 100644
--- a/src/controllers/posts_controller.rs
+++ b/src/controllers/posts_controller.rs
@@ -6,7 +6,6 @@ use crate::api_data::post_api::PostAPI;
 use crate::api_data::posts_targets_api::PostsTargets;
 use crate::api_data::res_create_post::ResCreatePost;
 use crate::constants::{PATH_POST_IMAGES, PATH_POST_PDF};
-use crate::routes::RequestResult;
 use crate::data::base_request_handler::BaseRequestHandler;
 use crate::data::error::{ExecError, ResultBoxError};
 use crate::data::group::GroupAccessLevel;
@@ -15,9 +14,11 @@ use crate::data::new_survey::NewSurvey;
 use crate::data::notification::NotifEventType;
 use crate::data::post::{Post, PostAccessLevel, PostFile, PostKind, PostPageKind, PostVisibilityLevel, PostWebLink};
 use crate::helpers::{friends_helper, groups_helper, notifications_helper, posts_helper, survey_helper, user_helper};
+use crate::routes::RequestResult;
 use crate::utils::date_utils::time;
 use crate::utils::string_utils::{check_string_before_insert, check_youtube_id};
 use crate::utils::user_data_utils::user_data_path;
+use crate::utils::webpage_utils::get_post_web_link;
 
 impl PostFile {
     /// Initialize a `PostFile` instance based on a file that have just been created
@@ -163,14 +164,18 @@ pub fn create_post(r: &mut HttpRequestHandler) -> RequestResult {
             let url = r.post_url_opt("url", true)?
                 .ok_or(ExecError::new("Missing url!"))?;
 
-            // For now, for safety, we do not fetch page content
-            // But this might change in the future
-            PostKind::POST_KIND_WEBLINK(PostWebLink {
-                url,
-                title: None,
-                description: None,
-                image: None,
-            })
+            match get_post_web_link(&url) {
+                Ok(info) => PostKind::POST_KIND_WEBLINK(info),
+                Err(e) => {
+                    eprintln!("Error while fetching page metadata: {}", e);
+                    PostKind::POST_KIND_WEBLINK(PostWebLink {
+                        url,
+                        title: None,
+                        description: None,
+                        image: None,
+                    })
+                }
+            }
         }
 
         "pdf" => {
diff --git a/src/utils/mod.rs b/src/utils/mod.rs
index 422f08e..ca23dd7 100644
--- a/src/utils/mod.rs
+++ b/src/utils/mod.rs
@@ -10,4 +10,5 @@ pub mod string_utils;
 pub mod pdf_utils;
 pub mod mp3_utils;
 pub mod mp4_utils;
-pub mod zip_utils;
\ No newline at end of file
+pub mod zip_utils;
+pub mod webpage_utils;
\ No newline at end of file
diff --git a/src/utils/webpage_utils.rs b/src/utils/webpage_utils.rs
new file mode 100644
index 0000000..804044c
--- /dev/null
+++ b/src/utils/webpage_utils.rs
@@ -0,0 +1,32 @@
+//! # Webpage utilities
+//!
+//! @author Pierre Hubert
+
+use std::time::Duration;
+
+use webpage::{Webpage, WebpageOptions};
+
+use crate::data::error::{ExecError, Res};
+use crate::data::post::PostWebLink;
+
+/// Attempt to get information about a URL given by a user
+pub fn get_post_web_link(url: &str) -> Res<PostWebLink> {
+    let mut options = WebpageOptions::default();
+    options.max_redirections = 2;
+    options.follow_location = true;
+    options.useragent = "OpenGraph Fetcher v1.0".to_string();
+    options.timeout = Duration::from_secs(5);
+
+    let page = Webpage::from_url(url, options)?;
+
+    /*if !page.http.content_type.to_lowercase().starts_with("text/html") {
+        return Err(ExecError::boxed_string(format!("The page at {} as an invalid content type: {}!", url, page.http.content_type)));
+    }*/
+
+    Ok(PostWebLink {
+        url: url.to_string(),
+        title: page.html.opengraph.properties.get("title").map(String::to_string),
+        description: page.html.opengraph.properties.get("description").map(String::to_string),
+        image: page.html.opengraph.images.first().map(|m| m.url.to_string()),
+    })
+}
\ No newline at end of file